{"id":20731,"date":"2020-06-10T06:06:45","date_gmt":"2020-06-10T12:06:45","guid":{"rendered":"http:\/\/www.thorntonweather.com\/blog\/?p=20731"},"modified":"2020-06-11T04:55:15","modified_gmt":"2020-06-11T10:55:15","slug":"june-7-to-june-13-this-week-in-denver-weather-history-3","status":"publish","type":"post","link":"https:\/\/www.thorntonweather.com\/blog\/weather-history\/june-7-to-june-13-this-week-in-denver-weather-history-3\/","title":{"rendered":"June 7 to June 13: This week in Denver weather history"},"content":{"rendered":"

\"This<\/a><\/p>\n

An extremely eventful week in weather history showing just how varied conditions can be.\u00a0 We of course see typical spring weather like tornadoes and hail but also a touch of snow and this week also marks the anniversary of the start of the Hayman Fire.<\/p>\n

1-30<\/p>\n

In 2012\u2026it was the hottest June in Denver since weather records began back in 1872. The average temperature for the month was 75.0 degrees which was 7.6 degrees above normal. There were a total of seventeen 90 degree days in the month of June. The highlight of record setting month was a stretch of five consecutive 100 degree days from the 22nd to the 26th. This was only the third time in Denver weather history in which this happened. Two of the high temperatures during the stretch peaked at 105 degrees\u2026 Which set the all-time record for the month of June and tied the all-time maximum temperature for Denver.<\/p>\n

2-7<\/p>\n

In 1921\u2026heavy rainfall for nearly a week\u2026on top of streams already swollen by mountain snowmelt\u2026produced widespread flooding over the South Platte River basin\u2026including the tributaries through the canyons to the west and southwest of Denver.\u00a0 Heavy rainfall over the 6-day period totaled 3.36 inches in Boulder\u20264.98 inches in Morrison\u20264.27 inches in Castle Rock\u2026and 2.94 inches in the city of Denver. Rainfall amounts in the foothills were estimated between 3 and 6 inches.\u00a0 The narrow-gage tracks of the Colorado and southern railroad were destroyed in the Platte Canyon.\u00a0 From the mouth of the canyon through the city to near Brighton\u2026 The river spread from 1\/2 to nearly 1 1\/2 miles wide\u2026 Flooding farm and pasture land and destroying or damaging many bridges.\u00a0 In the city\u2026many businesses along with as many as 500 homes were inundated\u2026forcing their evacuation. Bridges were swept away.\u00a0 The high waters flooded the rail yards and stock yards in lower downtown\u2026closing three adjacent packing houses.\u00a0 The heavy rains also caused flooding on Boulder creek in Boulder on the 6th.<\/p>\n

6-7<\/p>\n

In 2004\u2026a brief hot spell produced 3 temperature records. High temperatures of 95 degrees on the 6th and 98 degrees on the 7th were record maximum temperatures for the dates. Low temperature of 68 degrees on the 7th was a record high minimum for the date.<\/p>\n

In 2012\u2026severe thunderstorms broke late in the evening\u2026 Striking areas hardest from Denver southward. Locations impacted by the storms included but were not limited to: Aurora\u2026Castle Rock\u2026Centennial\u2026Highlands Ranch\u2026Lone Tree\u2026 Parker and Surrey Ridge. The storms produced a barrage of large hail\u2026damaging straight line winds\u2026 Flash flooding and several short lived tornadoes. The hail ranged in size from 1 to 2 inches in diameter\u2026and caused extensive damage to homes and automobiles. The hail inundated the roadways with several inches of hail in Douglas County. Consequently\u2026 Snow plows had to be called out to clear the roadways. The combination of torrential hail and heavy rain produced flash flooding in parts of Elbert\u2026Douglas and Arapahoe counties\u2026as thunderstorms brought up to 3.35 inches of rain to some areas within 90 minutes. In Aurora\u2026Picadilly Road was closed from flooding north of 6th Avenue. A water rescue took place on south Gun Club Road in Arapahoe County\u2026where floodwaters were rushing to depth of 3 feet. Flash flooding forced the closure of several streets and roads from parker south to the Pinery\u2026where the floodwaters inundated the roadway with up to 2 feet in several locations. At Centennial Airport\u2026a historic B-17 Flying Fortress suffered extensive damage as hailstones as large as ping pong balls struck the aircraft. Although the airframe itself did not require repair\u2026the fabric-covered ailerons and elevators were extensively damaged. The hail came straight down and punched holes in the fabric-covered control surfaces. The aircraft landed just hours before the storm hit to participate in a weekend tour stop. Lightning also struck two homes\u2026one in Lakewood and the other in Parker. Straight line winds downed trees and power lines in aurora. As a result\u2026scattered electrical outages affected around five thousand residents. At Denver International Airport\u2026 0.61 inches rainfall was recorded along with a peak wind gust of 41 mph.<\/p>\n

In 2007\u2026an unusually strong storm system brought very strong winds to the Front Range foothills and urban corridor. Peak gusts included:\u00a0 92 mph at Boulder\u202685 mph\u20262 miles southwest of Boulder\u202683 mph\u202610 miles south of Boulder and 55 mph at Denver International Airport.\u00a0 High winds forced the closure of Mt. Evans Road and Trail Ridge Road.\u00a0 Several trees were uprooted across the urban corridor.\u00a0 In Aurora\u2026 The driver of a car was injured when some building material blew off the Fitzsimmons complex.\u00a0 The debris landed on the car and knocked the driver unconcious.\u00a0 The wind forced the cancellation of 60 flights at Denver International Airport. Xcel reported outages in Boulder\u2026Denver\u2026Lakewood and Longmont.<\/p>\n

7<\/p>\n

In 1904\u2026a thunderstorm produced south winds to 40 mph with gusts to 50 mph\u2026but only a trace of rain.<\/p>\n

In 1942\u2026heavy thunderstorm rainfall in south Denver caused flooding of shops\u2026stalled motorists\u2026and halted tramway service temporarily.\u00a0 Lightning damaged houses\u2026but there was no loss of life.\u00a0 Precipitation totaled 0.53 inch in downtown Denver.<\/p>\n

<\/span>In 1951\u2026a 24\u00d765 foot roof of a cow barn was lifted off the building and blown to the ground by a \u201ctwister\u201d near Fort Lupton.<\/p>\n

In 1961\u2026small hail and heavy rain damaged property and crops in southwest metro Denver\u2026including the southwest section of the city\u2026Lakewood\u2026and Littleton.\u00a0 Precipitation totaled 1.20 inch\u202611 miles southwest of Stapleton Airport. Complete primary and secondary rainbows were sighted by national weather service observers at Stapleton Airport.<\/p>\n

In 1968\u2026severe thunderstorms moving to the northeast through sections of Denver caused local flooding of streets and damage to trees and gardens from hail 1\/2 to 1 3\/4 inches in diameter.\u00a0 One man was killed and 2 were injured at the Wellshire Golf Course when lightning struck a tree under which they had taken shelter.\u00a0 At another golf course\u2026 A man was mortally injured by lightning.\u00a0 Marble to golf ball size hail fell over downtown Denver.\u00a0 Hail to 3\/4 inch in diameter was measured in Westminster.<\/p>\n

In 1975\u2026hail up to 3\/4 inch diameter fell in Boulder.<\/p>\n

In 1978\u2026a man standing under a tree on a golf course in Denver was struck in the arm by lightning.\u00a0\u00a0 Wind gusts to 60 mph and golf ball size hail pelted west and south Denver.<\/p>\n

In 1986\u20267\/8 inch hail was measured in Lafayette.<\/p>\n

In 1990\u2026a thin\u2026rope-shaped tornado touched down east of the intersection of State Highway 2 and 96th avenue just north of the rocky mountain arsenal.\u00a0 No damage was reported.<\/p>\n

In 1992\u2026a thunderstorm wind gust to 60 mph was recorded in Boulder.\u00a0 A funnel cloud was sighted by a highway patrol officer just northwest of Stapleton International Airport where thunderstorm winds gusted to 51 mph.\u00a0 Spotters and state patrol officers reported funnel clouds in the northwestern part of metro Denver\u2026near Golden\u2026and 7 miles northwest of Stapleton International Airport.<\/p>\n

In 1993\u2026non-convective high winds pummeled the Front Range foothills during the late morning and afternoon.\u00a0 Speeds of 60 to 80 mph were common.\u00a0 The winds caused several power outages as well as uprooting trees.\u00a0 In Lafayette\u2026a 4-year- old boy was slightly injured while standing on the roots of a large tree which was toppled by the winds.\u00a0 The boy fell 10 feet to the ground and was bruised and scraped.\u00a0 A tree fell onto a parked car in Boulder\u2026causing about 35 hundred dollars in damage.\u00a0 West wind gusts to 41 mph were recorded at Stapleton International Airport where a thunderstorm produced 1\/8 inch hail at daybreak.<\/p>\n

In 1995\u2026severe thunderstorms produced large hail across west and north metro Denver from Golden to Westminster and Fort Lupton.\u00a0 Hail ranged in size from 3\/4 to 2 inches in diameter.\u00a0 The largest hail fell in Fort Lupton.\u00a0 A weak tornado produced a brief dust and debris cloud in a corn field 3 miles northeast of Hudson.<\/p>\n

In 1997\u2026two plumbers were injured\u2026one critically\u2026when lightning struck a pipe on which they were working in an apartment building under construction in Denver.\u00a0 The bolt apparently hit one man in the hand\u2026passed through his chest\u2026and struck the other worker.\u00a0 The critically injured man\u2026died a few days later.\u00a0 Lightning also injured a man\u2026while he was talking on a telephone in ward.\u00a0 The bolt passed through the phone line burning his ear.<\/p>\n

In 2001\u2026hail as large as 7\/8 inch in diameter fell in Westminster.<\/p>\n

In 2012\u2026severe thunderstorms brought damaging wind and hail\u2026heavy rain and flash flooding. The storms produced hail from 1.5 to 2.5 inches in diameter. In addition to the large hail\u2026heavy rain from 1 to 2 inches also accompanied the storms. The combination of hail and heavy rain caused extensive street flooding across Aurora\u2026Castle Rock\u2026Centennial\u2026Cherry Creek\u2026 Englewood\u2026south Denver\u2026Highlands Ranch\u2026 Lakewood and Littleton. The hail was reportedly \u201cknee deep\u201d in several areas making roads impassable. As a result\u2026 Snow plows had to be summoned to clear the streets. In Castle Rock\u2026a King Soopers supermarket sustained extensive damage when roof partially collapsed under the weight of the hail. At Denver International Airport\u20260.61 inches of rainfall was again recorded along with a peak wind gust of 40 mph. Total property damage estimates along the Front Range for the 6th and 7th combined was 321.1 million dollars.<\/p>\n

In 2016…large hail up to 1 inch in diameter was observed in Castle Rock.<\/p>\n

7-9<\/p>\n

In 1979\u2026rain\u2026at times with thunder on the 7th\u2026fell almost continuously through the morning of the 9th.\u00a0 Rainfall totaled 2.28 inches at Stapleton International Airport over the 3 days.\u00a0 High temperature of only 49 degrees on the 8th was a record low maximum for the date.<\/p>\n

8<\/p>\n

In 1873\u2026lightning struck and killed one man and damaged several houses.\u00a0 The thunderstorms produced heavy rain in the city\u2026which caused a great deal of water damage. At 2:40 pm heavy rain began and by 4:00 pm 1.40 inches of rain had fallen.\u00a0 Two buildings under construction\u2026with a projected cost of 100 thousand dollars\u2026were badly damaged. The stone foundation and some of the brick walls were carried away by the storm waters.\u00a0 Many basements were flooded\u2026which damaged goods stored there.\u00a0 Rainfall totaled 1.71 inches.<\/p>\n

In 1964\u2026lightning struck a building in Boulder\u2026starting a fire and burning two workmen.<\/p>\n

In 1968\u2026a severe thunderstorm flooded streets\u2026and hail- damaged trees and gardens\u2026including flowers at a large commercial nursery in Boulder.<\/p>\n

In 1969\u2026severe hail damaged property\u2026trees\u2026and gardens\u2026 And heavy rain flooded streets and underpasses throughout metro Denver.\u00a0 The heaviest amounts of rain fell in south Denver and Englewood where unofficial totals of 5 to 6 inches were reported.\u00a0 Hail accumulated to 3 or 4 inches on the level and 2 to 3 feet deep in drifts.\u00a0 Mud\u2026debris\u2026and hail carried by the heavy runoff clogged drains and increased the amount of flooding.\u00a0 About 40 cars and a large truck were inundated at an underpass on an interstate highway\u2026and several more were inundated or buried in mud in other areas.\u00a0 A large number of basements were flooded. Streets and highways were heavily damaged in some areas. Rainfall totaled 1.66 inches at Stapleton International Airport.<\/p>\n

In 1974\u2026a late spring storm dumped 1.79 inches of rain over metro Denver\u2026causing local flooding.\u00a0 Strong gusty winds accompanied the storm\u2026downing some power and telephone lines.\u00a0 Northwest winds gusted to 56 mph at Stapleton International Airport where a trace of snow fell. Measurable snowfall occurred at mid-day over Aurora and suburban areas to the south of Denver.\u00a0 A number of people were temporarily stranded in the mountains west of Denver where heavy snow fell.\u00a0 Low temperature of 37 degrees equaled the record minimum for the date.\u00a0 High temperature of 50 degrees was a record low maximum for the date.<\/p>\n

In 1986\u2026strong thunderstorm winds blew down a garage wall in Littleton and caused minor roof damage to several homes. Boats were overturned and damaged at a sporting goods store nearby.\u00a0 As the storm moved northeast it produced a small tornado\u2026which touched down in extreme southeast Denver and moved northeast into Aurora.\u00a0 The twister did most of its estimated one million dollars damage shortly after touching down in an apartment complex and a shopping center.\u00a0 Two apartments were completely unroofed; wooden chimney facings were demolished and metal pipes were twisted.\u00a0 Many trees up to 25 feet high in the complex were uprooted. Doors were ripped off their hinges\u2026and several parked cars were damaged.\u00a0 In the shopping center\u2026a wall of a building was stripped of its brick facing\u2026and many windows were broken.\u00a0 The twister picked up an aluminum rowboat\u2026carried it 250 feet over some apartments\u2026and deposited it in a vacant storefront.\u00a0 Around 200 cars were damaged in the shopping center.\u00a0 Benches bolted to the pavement were knocked over.\u00a0 Six people suffered minor injuries caused by flying debris.\u00a0 After hitting the shopping center and apartment complex\u2026the tornado moved northeast into a residential area where it toppled some trees and damaged several fences.\u00a0 The same storm later produced 3 separate small tornadoes 5 miles north of Watkins.<\/p>\n

In 1987\u2026torrential rain produced extensive flooding across metro Denver.\u00a0 I-25 was closed for a time through central Denver\u2026and a trailer park in Lakewood was partially evacuated due to high water.\u00a0 Several streets in Boulder were closed due to flooding.\u00a0 There was extensive basement flooding and water damage in Lakewood and southeast Denver. Lightning hit a power plant in Denver that supplied electricity to storm drain pumps which exacerbated street flooding in some areas.\u00a0 Rainfall from the thunderstorms totaled 1 1\/2 to 2 inches at many locations in Lakewood central and northeast Denver.\u00a0 The heaviest amount of reported rain was in Lakewood where 2 1\/4 inches fell in just 2 hours.\u00a0 At Stapleton International Airport\u20261.62 inches of rain fell in an hour.\u00a0 Rainfall totaled 1.76 inches for the day.<\/p>\n

In 1988\u2026a tornado touched down 15 miles northwest of Bennett and stayed on the ground for 15 minutes.\u00a0 The twister was observed by national weather service personnel at Stapleton International Airport.\u00a0\u00a0 No damage was reported.<\/p>\n

In 1989\u2026a small tornado hit a neighborhood in southeast Aurora.\u00a0 The twister hit a dozen homes\u2026blowing out windows\u2026knocking down fences\u2026and partially unroofing one house.\u00a0 About a half dozen trees were felled.\u00a0 A basketball pole was severely bent.\u00a0 The tornado was on the ground for about 2 minutes.\u00a0 Total damage was estimated at 50 thousand dollars.\u00a0 Lightning also struck a home in Parker\u2026causing 25 hundred dollars damage.<\/p>\n

In 1992\u2026very heavy thunderstorm rains drenched southwestern Weld and eastern Boulder counties.\u00a0 Measured rainfalls of over 2 inches an hour caused St. Vrain Creek to rise 2 feet out of its banks.\u00a0 Boulder creek was also out of its banks along U.S. Highway 287.\u00a0 I-25 flooded with 3 to 5 feet of water along a 9-mile stretch from the Erie exit to the Frederick exit.\u00a0 The highway was closed for over 6 hours while snowplow drivers and farmers with tractors rescued stranded motorists.\u00a0 Water rose into homes along south Boulder road in Lafayette.\u00a0 Several small County roads were washed out along the Boulder County\/Weld County line. An off-duty national weather service employee measured 3\/4 inch hail in Thornton.\u00a0 Several locations north of Denver had small hail up to 6 inches deep.\u00a0 A funnel cloud was spotted 18 miles northeast of Stapleton International Airport.<\/p>\n

In 1998\u2026severe thunderstorms dropped large hail across metro Denver.\u00a0 Hail as large as 1 3\/4 inches in diameter fell near columbine in Jefferson County.\u00a0 One inch diameter hail fell in Aurora and Littleton with 7\/8 inch hail in Arvada and 3\/4 inch hail at centennial airport\u2026 Near Greenwood Village\u2026and in Parker.<\/p>\n

In 2004\u2026heavy rain and large hail caused flooding and flash flooding across northeast Jefferson County.\u00a0 In Golden\u2026 Heavy rains triggered a small mudslide on U.S. Highway 6 near the intersection of Colorado highway 119.\u00a0 Automated rain gages in the area registered 2 to 3 inches of rainfall in one hour.\u00a0 Near the Colorado mills mall\u2026numerous streets were inundated with 1 to 3 feet of water and hail\u2026which stranded several vehicles\u2026including a fire engine.\u00a0 About 30 basements were flooded in Golden and Lakewood.\u00a0 Many windows in both homes and cars were shattered by the large hail.\u00a0 Hail as large as 1.5 inches in diameter was measured in and near Golden with hail to nearly an inch in diameter a few miles north of Evergreen.<\/p>\n

In 2007\u2026the low temperature in Denver bottomed out at 31 degrees\u2026which established a new record minimum for the date.\u00a0 It also became the latest date of the last freeze in Denver.<\/p>\n

In 2014\u2026in Aurora\u2026 A tornado touched down near the Blackstone Country Club\u2026it lifted some golf carts and flipped an empty construction trailer. One of the carts was thrown on top of a caddy walking nearby; he was taken to a hospital with minor injuries. It was assigned an ef-1 rating. In Englewood\u2026lightning struck a tree which damaged two nearby homes and a truck. Large hail\u2026from quarter to half dollar size\u2026was reported near Buckley Air Force Base and near Castle Rock. Other short lived tornadoes touched down near Byers and Roggen.<\/p>\n

9<\/p>\n

In 1900\u2026an apparent cold front produced north winds to 42 mph with gusts to 47 mph.<\/p>\n

In 1923\u2026heavy rainfall totaled 2.18 inches in downtown Denver\u2026where northwest winds were sustained to 27 mph. Heavy rain also fell in Boulder\u2026causing flooding on Boulder and south Boulder creeks.<\/p>\n

In 1939\u2026post-frontal sustained northwest winds to 35 mph produced some blowing dust\u2026which reduced the visibility to one mile at times during the afternoon.\u00a0 Dusty conditions prevailed into the early evening.\u00a0 The airport station reported a maximum wind of 56 mph.\u00a0 A few minor injuries and some damage resulted.\u00a0 A few trees were uprooted\u2026some fruit was blown from trees\u2026and a section of power lines was blown down.<\/p>\n

In 1959\u2026dry thunderstorm winds\u2026estimated to near 70 mph\u2026 Toppled a 40-foot-high poplar tree\u2026which was 4 to 5 inches in diameter\u2026near Cherry Creek dam.\u00a0 The Colorado State Patrol reported a possible tornado 1 mile south of the dam.<\/p>\n

In 1960\u2026strong gusty winds tore the roofs from 2 patios in Aurora.\u00a0 One of the roofs was blown over a house and landed on a car damaging its top.\u00a0 A house trailer was also overturned.\u00a0 Other minor damage was reported to roofs\u2026 Windows\u2026and trees in Aurora.\u00a0 A thunderstorm wind gust to 43 mph was recorded at Stapleton Airport.<\/p>\n

In 1963\u2026golf ball size hail fell at Cheery Creek Reservoir.<\/p>\n

In 1967\u2026a small tornado damaged trees and a dwelling in south Denver.\u00a0 The storm touched down at the intersection of 1st avenue and Harrison Street and moved northeast to the intersection of 3rd avenue and Albion Street. Damage included 3 small roofs removed\u202615-20 large trees uprooted\u2026one car overturned and thrown against a house\u2026 Plus other minor damage.\u00a0 A funnel cloud reported at the same time 10 miles north of Denver possibly touched ground. Later\u2026funnel clouds were reported 12 miles south-southeast of Stapleton International Airport\u202610 miles southwest\u2026and 5 miles north.\u00a0 A tornado was sighted 3 1\/2 miles east of Stapleton International Airport by weather bureau personnel for a duration of 5 minutes.\u00a0 Heavy rain and some hail fell over much of the area.<\/p>\n

In 1974\u2026the start of the shortest seasonal snow free period on record\u202694 days\u2026occurred with the last snow of the season\u2026a trace\u2026on the 8th.\u00a0 The first snow of the next season occurred on September 11th when a trace of snow fell at Stapleton International Airport.\u00a0 A funnel cloud was observed just east of Aurora and a small funnel was sighted just northeast of Stapleton International Airport.<\/p>\n

In 1985\u2026a thunderstorm wind gust to 62 mph was reported at Golden gate canyon in the foothills west of Denver.<\/p>\n

In 1986\u2026a thunderstorm\u2026which dumped heavy rain and caused some street flooding across north metro Denver\u2026produced a small tornado 5 miles east of Brighton.\u00a0 No damage was reported.<\/p>\n

In 1987\u2026strong thunderstorm wind gusts in Conifer destroyed a porch on a house; the wind gust apparently picked up the porch and dropped it on a man\u2026killing him.\u00a0 The wind also damaged the roof of the house and a nearby barn.\u00a0 The same thunderstorm spawned a tornado\u2026which touched down briefly just south of Lakewood.\u00a0 No damage was reported.\u00a0 Up to 3 inches of rain fell in a short time 8 miles southwest of Littleton.\u00a0 A few businesses in Englewood suffered minor water damage.\u00a0 A tornado was sighted between Watkins and Bennett.\u00a0 It was on the ground for 15 minutes.\u00a0 A weak tornado also touched down 4 miles southwest of Castle Rock. The twister tossed an aluminum shed into the air and carried it about 100 feet.\u00a0 A funnel cloud was sighted 15 miles east-northeast of Stapleton International Airport.<\/p>\n

In 1988\u2026golf ball size hail fell in Conifer along with 1.30 inches of rain.\u00a0 Three miles north of Louisville\u20261.10 inches of rain fell in 20 minutes.\u00a0 Ping pong ball size hail was measured in Arvada.<\/p>\n

In 1990\u20263\/4 inch hail fell in Castle Rock.<\/p>\n

In 1991\u2026hail two inches in diameter fell near Evergreen. Hail to 1 inch diameter fell in Lakewood where a funnel cloud was also sighted.\u00a0 One inch diameter hail was also reported in Aurora.<\/p>\n

In 2002\u2026high temperatures\u2026low relative humidities\u2026and strong gusty winds allowed the Hayman Wildfire\u2026located in the foothills to the southwest of Denver\u2026to become the largest wildfire in the state\u2019s history.\u00a0 Although the fire was initially started by a U.S. Forest Service employee\u2026the ongoing drought and dry conditions allowed the fire to spread rapidly out of control.\u00a0 The wildfire consumed nearly 138 thousand acres of forest land and 133 homes before it could be contained and finally extinguished on June 30th.\u00a0 About 1800 households had to be evacuated during the blaze.\u00a0 Southwest winds aloft swept the smoke plume directly over metro Denver\u2026creating poor air quality and blocking the sun.\u00a0 Much of metro Denver choked on smoke with the southern suburbs receiving the most.\u00a0 Smoke and ash restricted surface visibilities to a mile or less at times in the Denver and Castle Rock areas and to 2 miles at Denver International Airport.<\/p>\n

In 2003\u2026thunderstorm winds gusted to 51 mph at Denver International Airport.\u00a0 The storm produced only a trace of rain.<\/p>\n

In 2004\u2026severe thunderstorms produced large hail across portions of metro Denver for the second day in a row. The most extensive damage occurred across southern sections of metro Denver in Aurora\u2026Lakewood\u2026Littleton\u2026and south Denver.\u00a0 The combined damage to homes and vehicles\u2026not including commercial buildings\u2026was estimated at 146.5 million dollars\u2026making the event the 4th costliest insurance disaster in the state\u2019s history.\u00a0 Hail as large as 2 1\/4 inches in diameter fell near southern Aurora with hail to 1 3\/4 inches in the city of Denver and in Lakewood. Hail to 1 1\/2 inches fell near Morrison with 1 inch hail measured in Thornton\u2026near Buckley Air Force Base\u2026and near Roggen.\u00a0 Hail to 3\/4 inch diameter fell in Littleton and near Conifer.\u00a0 A small tornado touched down near Bennett\u2026but did no damage.<\/p>\n

<\/span>9-10<\/p>\n

In 1864\u2026high water from melting snow combined with heavy rains over the upper reaches of the South Platte River forced the river over its banks and caused flooding of low lying areas along the river in the city.\u00a0 The amount of rainfall in the mountains and in the city is unknown.<\/p>\n

10<\/p>\n

In 1943\u2026a man was killed by lightning while using a surveying instrument at Buckley Field.<\/p>\n

In 1969\u2026hail stones 2 to 3 inches in diameter caused extensive damage to buildings and automobiles in an area from northeast of Boulder to Longmont.\u00a0 Two funnel clouds were reported near Castle Rock.\u00a0 A funnel cloud and 1 inch hail stones were reported 10 to 20 miles southeast of Stapleton International Airport.\u00a0 Hail stones to 1 3\/4 inches fell 3 miles west of Littleton.\u00a0 Hail to 3\/4 inch diameter fell over southeast Denver.<\/p>\n

In 1988\u2026thunderstorm winds clocked to 60 mph unroofed a porch and downed a fence at a home near Stapleton International Airport.\u00a0 A small tornado touched down briefly in northeast Aurora.\u00a0 Another small tornado touched down for 3 minutes in southeast Aurora.\u00a0 No damage was reported from either twister.<\/p>\n

In 1989\u2026a national weather service observer saw lightning strike 2 storage tanks at 40th and Havana\u20263\/8 mile northeast of Stapleton International Airport.\u00a0 The strike temporarily knocked out some weather observing equipment at the national weather service.<\/p>\n

In 1991\u2026a tornado was sighted 2 miles south of Castle Rock. No damage was reported.\u00a0 The funnel cloud associated with the tornado was sighted for 5 minutes by national weather service observers at Stapleton International Airport.<\/p>\n

In 1994\u2026lightning struck a home in Denver\u2026which started a fire in the attic and caused minor damage.<\/p>\n

In 1997\u2026lightning struck a security guard at the castle pines golf course near Castle Rock.\u00a0 He received only minor injuries.<\/p>\n

In 1999\u2026severe thunderstorms rolled off the foothills over metro Denver\u2026producing large hail and damaging winds.\u00a0 Hail to 1 inch diameter fell near Evergreen with 1 3\/4 inch hail measured west of Golden.\u00a0 Hail to 1 1\/2 inches fell in Commerce City with one inch hail in Lakewood\u2026Wheat Ridge\u2026 The city of Denver and at Denver International Airport where thunderstorm winds gusted to 58 mph.\u00a0 As the storms moved east\u20263\/4 inch hail was reported in Aurora\u2026and damaging thunderstorm winds developed between Bennett and Strasburg.\u00a0 Winds gusting as high as 69 mph blew half a metal roof from a shed in a Bennett lumberyard.\u00a0 A small barn was also leveled between Bennett and Strasburg.\u00a0 Winds also gusted to 58 mph near Manilla.<\/p>\n

In 2000\u2026a dry microburst produced a wind gust to 58 mph at Jefferson County airport.\u00a0 Thunderstorm winds gusted to 55 mph at Denver International Airport.<\/p>\n

In 2003\u2026hail as large as 1 3\/4 inches was measured at centennial airport and near Parker.<\/p>\n

In 2005\u2026hail to 7\/8 inch in diameter was reported near Parker with 3\/4 inch hail measured near Castle Rock.<\/p>\n

In 2010\u2026a complex of severe thunderstorms hammered portions of eastern Arapahoe\u2026eastern Douglas and western Elbert counties. The hail ranged from 1 inch to 3 inches in diameter. The largest hail was observed near Elizabeth. Areas in and around Aurora\u2026Byers\u2026 Parker and Thornton were also impacted by large hail. One weak tornado touched down near prospect valley but did no damage. At Denver International Airport\u2026a peak wind gust to 35 mph was observed from the northwest.<\/p>\n

10-11<\/p>\n

In 1882\u2026heavy thunderstorm rains on the morning of the 10th caused a rapid rise in dry creek\u2026which enters the South Platte River at fairview in present day south Denver.\u00a0 This\u2026combined with additional heavy rainfall on the 11th caused the South Platte River to overflow. Five people drowned and several houses were destroyed. Total losses in the city and suburbs was estimated at 75 thousand dollars.\u00a0 Total rainfall in central Denver was 2.21 inches over the 2 days.<\/p>\n

In 2013\u2026the high temperature of 99 degrees on the 10th broke the previous record maximum temperature of 97 for the date. Also\u2026the minimum temperature of 68 and high temperature of 100 degrees on the 11th established a new record for highest minimum and maximum temperature for the date.<\/p>\n

11<\/p>\n

In 1947\u2026a trace of snow fell over downtown Denver.\u00a0 Low temperature of 34 degrees was a record minimum for the date.<\/p>\n

In 1962\u2026hail caused extensive crop damage near Hudson northeast of Denver.<\/p>\n

In 1970\u2026stratiform rainfall totaled 3.16 inches at Stapleton International Airport.\u00a0 This was the greatest amount of precipitation ever recorded on a calendar day in June. In addition\u2026it was the greatest amount of precipitation ever measured during any 24-hour period in June.\u00a0 The high temperature climbed to only 51 degrees\u2026which was a record low maximum for the date.<\/p>\n

In 1973\u2026large hail from 3\/4 to 1 1\/2 inches in diameter fell west of Boulder.<\/p>\n

In 1977\u2026golf ball size hail was reported just south of Arapahoe County airport\u2026now centennial airport.\u00a0 Lightning struck a home in Lakewood.<\/p>\n

In 1988\u2026a 30-year-old man was seriously injured by lightning while mowing his lawn in Denver.<\/p>\n

In 1992\u2026lightning started two house fires in the southern Denver suburbs where 3\/4 inch hail fell and a funnel cloud was sighted.<\/p>\n

In 1999\u2026severe thunderstorms formed over the palmer divide and moved across Douglas\u2026Elbert\u2026and Adams counties. Hail as large as 1 inch in diameter was reported in and near Castle Rock\u2026Sedalia\u2026Franktown\u2026and Aurora.\u00a0 Hail as large as golfballs accumulated several inches deep and caused a large section of a corrugated metal roof of a greenhouse complex to collapse near Franktown.\u00a0 About a third of the roof covering the 30 thousand square foot building collapsed.\u00a0 Thirty-five workers were trapped in the debris\u2026but only 3 were treated for minor injuries. Hail 1 to 2 feet deep blocked the roadways and slowed the arrival of emergency vehicles.\u00a0 Damage to the building was estimated to be around 3 million dollars.<\/p>\n

In 2006\u2026a man was struck and killed by lightning as he was returning to his car after leaving the mile high flea market near Henderson.\u00a0 Two others were knocked down\u2026but not injured by the lightning strike.\u00a0 Severe thunderstorms produced large hail across the northern portion of metro Denver.\u00a0 Hail to 1 1\/4 inches in diameter was measured in Arvada\u2026with 1 inch diameter hail reported near Fort Lupton.\u00a0 Hail to 7\/8 inch in diameter was recorded near Brighton\u2026and hail\u20263\/4 inch in diameter\u2026fell near Keenesburg.<\/p>\n

In 2010\u2026severe thunderstorms producing very large hail pummeled portions of Front Range foothills and urban corridor. The large hail ranged in size from 1 to 2 1\/2 inches\u2026caused extensive damage to home and vehicles. The hardest hit areas included: Brighton\u2026 Castle Rock\u2026Greenland\u2026Idledale\u2026 Mountain View and Thornton. The combination of heavy rain and hail destroyed 50 thousand acres of cropland in southeast Weld County. Flash flooding forced the closure of State Highway 52\u2026east of Prospect Valley. Several county roads were either flooded or completely washed out. At Denver International Airport\u20260.69 inches of rainfall was observed.<\/p>\n

In 2015…thunderstorms produced flash flooding in Denver and parts of the metropolitan area. In downtown Denver… parked cars had standing water rising midway up the wheels. Denver fire crews had to rescue motorists from flooded intersections and roads. In Glendale…two lanes of northbound Colorado Blvd. at Exposition Ave. were closed due to flooding. In Aurora…water was reportedly flowing over the roads at East 6th Ave. and South Pacadilly Road. Additional flooding was reported on South Gun Club Road… between East Alameda Ave. and East Exposition Avenue… forcing the closure of the road. Flooding occurred along Plum Creek and its tributaries. Four trails in Castle Rock were closed due to flooding. Plum Creek remained above flood stage for approximately 2 1\/2 hours…with moderate flooding along and east of the creek. Near Cherry Creek Dam…2.02 inches of rain fell. At Denver International Airport 0.56 inches of rainfall was recorded. A peak wind gust to 34 mph was also observed from the north.<\/p>\n

11-14<\/p>\n

In 1999\u2026damage from several hailstorms in and near metro Denver totaled 35 million dollars.\u00a0 About 17.5 million dollars was from automobile claims with another 17.5 million in homeowner claims.\u00a0 The areas hardest hit by the storms included Castle Rock\u2026Commerce City\u2026Evergreen\u2026 And Golden.<\/p>\n

12<\/p>\n

In 1901\u2026south winds were sustained to 45 mph with an extreme velocity to 47 mph.<\/p>\n

In 1917\u2026northwest winds were sustained to 40 mph with gusts to 45 mph.<\/p>\n

In 1927\u2026flooding on little dry creek in Englewood resulted in two deaths.<\/p>\n

In 1947\u2026a trace of snow fell over downtown Denver during the early morning.\u00a0 This was the latest last snow of the season (trace or more).\u00a0 This also marked the end of the longest snow season\u2026264 days\u2026from the first snow\u2026a trace\u2026on September 22\u20261946.\u00a0 High temperature of 43 degrees was a record low maximum for the date.\u00a0 Minimum temperature of 33 degrees was a record low for the date.<\/p>\n

In 1971\u2026a funnel cloud sighted over Arvada possibly touched down at the base of the foothills.\u00a0 The public reported 3\/4 inch to 1 inch diameter hail over the city of Denver.<\/p>\n

In 1974\u2026strong thunderstorm winds caused damage to power lines in metro Denver.\u00a0 Northwest winds gusted to 45 mph at Stapleton International Airport.<\/p>\n

In 1975\u2026a thunderstorm wind gust to 56 mph was recorded at Stapleton International Airport.<\/p>\n

In 1982\u2026three small tornadoes were sighted near Bennett. One of the twisters caused minor crop and road damage along its path.\u00a0 A brief tornado was sighted by national weather service observers at Stapleton International Airport.<\/p>\n

In 1983\u20263\/4 inch hail fell in Boulder.\u00a0 Golf ball to 3\/4 inch size hail fell in Arvada\u2026denting cars and house roofs. Over a thousand hail damage insurance claims were filed from the area.\u00a0 Golf ball size hail also fell in Northglenn and Bennett\u20261 to 2 inch hail in Thornton\u20262 1\/2 inch hail in northeast of Denver.\u00a0 A tornado was sighted 10 miles northeast of Stapleton International Airport; it was only on the ground for 1 to 2 minutes.<\/p>\n

In 1984\u2026large hail pelted many parts of southern metro Denver.\u00a0 Fifteen aircraft were damaged by golf ball size hail at centennial airport.\u00a0 Golf ball size hail was reported in south Denver\u2026and 3\/4 inch hail was measured in southeast Aurora.<\/p>\n

In 1987\u2026a small weak tornado touched down for about 3 minutes near the intersection of I-70 and Colorado blvd. In northeast Denver.\u00a0 No damage was recorded.\u00a0 A microburst wind gust to 53 mph was recorded at Stapleton International Airport.<\/p>\n

In 1991\u2026in the city of Denver\u2026lightning struck a tree under which seven people were picnicking.\u00a0 One person was critically injured.\u00a0 The others received only minor injuries.<\/p>\n

In 1992\u2026golf ball size hail fell in Evergreen.<\/p>\n

In 1994\u2026microburst winds gusting to 53 mph kicked up some blowing dust at Stapleton International Airport.<\/p>\n

In 1996\u2026lightning struck a house in Parker\u2026which sparked a fire.\u00a0 The bolt was strong enough to blow nails out of the drywall in one room.\u00a0 About 85 percent of the house was damaged.\u00a0 No dollar estimate of the damage was available. Lightning also struck a power line in Boulder\u2026which left 250 customers without electricity for a short time.<\/p>\n

In 1997\u2026a tornado touched down near Parker\u2026damaging some construction equipment.\u00a0 Hail to 2 inches in diameter was measured in Henderson.\u00a0 One inch diameter hail fell in the city of Denver with 3\/4 inch hail measured in Lakewood.<\/p>\n

In 1999\u2026hail as large as 1 1\/2 inches in diameter struck Hudson.\u00a0 A funnel cloud was sighted by ramp personnel to the east of Denver International Airport.<\/p>\n

In 2003\u2026lightning blew a hole in the roof of a house in Highlands Ranch.\u00a0 The bolt knocked several holes in the bedroom ceiling and damaged the home\u2019s electrical system.<\/p>\n

In 2004\u2026lightning struck a home in Louisville\u2026but caused only minor damage.<\/p>\n

In 2006\u2026a strong microburst wind gust\u2026estimated at 69 mph\u2026 Ripped the roof off a horse barn near the intersection of Havana Street and Smith Road in Denver.\u00a0 A 13 year old girl was injured\u2026when she was thrown from a horse inside the barn at the time the roof was being torn off.\u00a0 A thunderstorm produced a microburst wind gust to 54 mph and a trace of rainfall at Denver International Airport. A severe thunderstorm produced hail to 0.75 inch near Watkins.<\/p>\n

12-17<\/p>\n

In 2000\u2026two large wildfires developed in the Front Range foothills as careless campers and very dry conditions proved to be a dangerous combination.\u00a0 Strong winds gusting in excess of 60 mph on the 13th fanned the flames\u2026 Spreading both wildfires out of control.\u00a0 Winds gusted to 78 mph atop Niwot Ridge near the continental divide west of Boulder.\u00a0 The hi meadows wildfire\u2026about 35 miles southwest of Denver\u2026consumed nearly 11 thousand acres and 80 structures\u2026mostly high priced homes.\u00a0 The bobcat wildfire\u2026located about 12 miles southwest of Fort Collins\u2026 Consumed nearly 11 thousand acres and 22 structures.\u00a0 Late on the 16th\u2026a strong cold front moved south over the great plains into northeastern Colorado.\u00a0 Low level upslope conditions developed in the wake of the front\u2026producing 2 to 4 inches of snowfall overnight at elevations above 8 thousand feet.\u00a0 Firefighters were able to contain both fires shortly thereafter.<\/p>\n

13<\/p>\n

In 1956\u2026a microburst caused a brief wind gust to 59 mph at Stapleton Airport.<\/p>\n

In 1957\u2026an unconfirmed tornado appeared to touch the ground in the vicinity of Franktown.\u00a0 No damage was reported from the twister.<\/p>\n

In 1968\u2026a violent gust of wind\u2026possibly associated with a thunderstorm\u2026caused 75 hundred dollars damage in Boulder.<\/p>\n

In 1973\u2026hail\u20261\/2 to 3\/4 inch in diameter\u2026fell over Lakewood.\u00a0 Flash flooding occurred in west Denver from the same storm.<\/p>\n

In 1974\u2026a thunderstorm wind gust to 64 mph was recorded at Stapleton International Airport.<\/p>\n

In 1977\u2026hail the size of table tennis balls\u20261 1\/2 inches in diameter\u2026was reported in Boulder.<\/p>\n

In 1981\u2026large hail to golf ball size fell in Denver\u2026 Northglenn\u2026and Brighton.\u00a0 Hail as large as baseballs was reported in federal heights.<\/p>\n

In 1984\u2026one of the worst hailstorms ever experienced in metro Denver struck the northwestern suburbs of Arvada\u2026Wheat Ridge\u2026and Lakewood\u2026but large hail also fell in Golden\u2026 Southeast Denver\u2026and Aurora.\u00a0 Homes and other buildings sustained around 200 million dollars in damage.\u00a0 Thousands of cars were battered by giant hailstones\u2026and total damage to vehicles was estimated at 150 million dollars.\u00a0 In some areas\u2026golf ball size hail fell continuously for 30 to 40 minutes.\u00a0 Some places were pelted with a few stones as large as grapefruits!\u00a0 Roofs on thousands of structures were severely damaged.\u00a0 Uncounted car windshields were broken; two-thirds of Arvada\u2019s police cars were rendered inoperable.\u00a0 Torrential rains\u2026with as much as 4.75 inches in Lakewood clogged drains and caused widespread damage from flooding.\u00a0 In some places hail was washed into drifts several feet deep.\u00a0 About 20 people were injured by the giant hailstones.\u00a0 One couple was hospitalized.\u00a0 A woman drowned when she was trapped under a trailer by high water. Only pea size hail fell at Stapleton International Airport.<\/p>\n

In 1988\u20262 inch hail fell in Parker.\u00a0 Soft hail 1 inch in diameter fell at the mouth of turkey creek canyon 5 miles southeast of Morrison.\u00a0 Hail between 1 inch and 1 3\/4 inches fell at both Bennett and Strasburg.\u00a0 A tornado touched down briefly at Strasburg.\u00a0 A brief funnel cloud was sighted by national weather service observers 15 miles southwest of Stapleton International Airport.<\/p>\n

In 1991\u2026a Boulder man was injured when struck by lightning while in a tent.\u00a0 He received only minor burns.<\/p>\n

In 1997\u2026lightning struck a home in Denver.\u00a0 The extent of the damage was unknown.\u00a0 A home in Littleton was also struck.\u00a0 The house caught fire\u2026but the extent of the damage was not known.<\/p>\n

In 1998\u2026a strong mountain wave produced a brief period of high winds along the Front Range.\u00a0 A small building atop squaw pass west of Denver was blown down.\u00a0 Tree limbs were downed across metro Denver.\u00a0 Peak wind gusts included:\u00a0 80 mph on squaw pass\u202669 mph at Jefferson County Airport near Broomfield\u2026and 60 mph in Westminster and at the National Center for Atmospheric Research in Boulder.\u00a0 West-northwest winds gusted to 51 mph at Denver International Airport.<\/p>\n

In 2001\u2026high winds developed briefly in Boulder County. A peak wind gust to 76 mph was recorded at the National Center for Atmospheric Research atop the mesa in Boulder. A wind gust to 72 mph was recorded at southern hills middle school in Boulder.\u00a0 Lightning started a small fire\u2026which damaged the roof of a house in greenwood village.<\/p>\n

13-14<\/p>\n

In 2006\u2026the high temperature of 99 degrees on the 13th equaled the record maximum temperature for the date first set in 1994.\u00a0 The high temperature of 102 degrees on the 14th was a new record maximum temperature for the date.<\/p>\n","protected":false},"excerpt":{"rendered":"

An extremely eventful week in weather history showing just how varied conditions can be.\u00a0 We of course see typical spring weather like tornadoes and hail but also a touch of snow and this week also marks the anniversary of the start of the Hayman Fire. 1-30 In 2012\u2026it was the hottest June in Denver since … Continue reading June 7 to June 13: This week in Denver weather history<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63],"tags":[81,106,62,41,741],"_links":{"self":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/20731"}],"collection":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/comments?post=20731"}],"version-history":[{"count":1,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/20731\/revisions"}],"predecessor-version":[{"id":20732,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/20731\/revisions\/20732"}],"wp:attachment":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/media?parent=20731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/categories?post=20731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/tags?post=20731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}