{"id":21581,"date":"2021-05-25T04:58:17","date_gmt":"2021-05-25T10:58:17","guid":{"rendered":"http:\/\/www.thorntonweather.com\/blog\/?p=21581"},"modified":"2021-05-26T05:08:26","modified_gmt":"2021-05-26T11:08:26","slug":"may-23-to-may-29-this-week-in-denver-weather-history-2","status":"publish","type":"post","link":"https:\/\/www.thorntonweather.com\/blog\/weather-history\/may-23-to-may-29-this-week-in-denver-weather-history-2\/","title":{"rendered":"May 23 to May 29: This week in Denver weather history"},"content":{"rendered":"

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

We are getting closer to Colorado\u2019s severe weather season and see how dangerous it can be when we look back in Denver weather history.\u00a0 Many occurrences of dangerous lightning, large hail, flooding and tornadoes have been the hallmark of this week in Denver weather history.<\/p>\n

20-27<\/p>\n

In 2002\u2026lightning sparked a wildfire near Deckers.\u00a0 Extremely dry conditions and very strong winds the following day allowed the fire\u2026known as the schoonover\u2026to consume 3850 acres before it could be contained.\u00a0 Thirteen structures were destroyed\u2026including 4 homes\u2026resulting in 2.2 million dollars in damage.<\/p>\n

21-23<\/p>\n

In 1876\u2026snow changed to heavy rain over the city\u2026resulting in widespread flooding along Cherry Creek and the South Platte River\u2026nearly as great as the flash flood of May 19-20\u20261864.\u00a0 However\u2026damage was greater because the city had grown much larger and there were more bridges for the flood waters to destroy.\u00a0 Precipitation in the city totaled 6.70 inches from 10:00 pm on the 21st through 3:00 am on the 23rd.\u00a0 The greatest precipitation ever recorded in Denver in 24 hours\u20266.53 inches\u2026occurred on the 21st and 22nd.\u00a0 Small buildings and bridges along Cherry Creek were washed away by the flood waters.\u00a0 Bridges over the South Platte River were damaged.\u00a0 The city irrigation ditch was damaged and rendered unfit for service.\u00a0 Strong winds at speeds of 30 to 40 mph drove the heavy rain through brick walls 12 to 16 inches thick.\u00a0 Many sheep and cattle were either killed by lightning or drowned\u2026including some 100 head of cattle in Jefferson County alone.\u00a0 There was immense damage to railroad tracks\u2026especially the Kansas Pacific line to the east of the city.\u00a0 The Colorado Central suffered estimated damage of 10 to 15 thousand dollars.\u00a0 In addition\u2026the heavy rain caused extensive flooding on soda and bear creeks in the foothills.\u00a0 Flooding along Boulder creek inundated farm and pasture land in the Boulder valley and damaged a few bridges.\u00a0 Rail travel had to be suspended in the area for several days.<\/p>\n

22-23<\/p>\n

In 1933\u2026high winds and gales overnight caused considerable damage in and near the city.\u00a0 Much greenhouse glass was broken\u2026which caused damage to sheltered plants.\u00a0 Great numbers of plants growing in the open were damaged or killed by wind-driven sand and soil.\u00a0 Fields were eroded by the wind and a few trees were uprooted.\u00a0 West winds were sustained to 38 mph with gusts as high as 65 mph in downtown Denver on the 22nd.<\/p>\n

23<\/p>\n

In 1916\u2026southeast winds were sustained to 43 mph with gusts as high as 52 mph.\u00a0 The winds were strong for several hours during the afternoon.<\/p>\n

In 1965\u2026thunderstorm outflow wind gusts to 59 mph were recorded at Stapleton International Airport.<\/p>\n

In 1987\u2026slow moving thunderstorms bombarded metro Denver. One inch diameter hail was reported in south central Denver.\u00a0 Torrential rain caused widespread street flooding\u2026 Stalling traffic throughout the area.\u00a0 Rainfall totaled 2.10 inches in just 25 minutes in extreme southeast Aurora. Many other locations in Aurora and east Denver reported 1 to 1 1\/2 inches of rain in about 30 minutes.\u00a0 Thunderstorm rainfall totaled 1.33 inches at Stapleton International Airport where 1\/4 inch diameter hail was measured and north winds gusted to 40 mph.\u00a0 A man was slightly injured by lightning near Stapleton International Airport.\u00a0 Lightning also started a fire that severely damaged a house in Aurora.<\/p>\n

In 1990\u2026a microburst wind gust to 52 mph at Stapleton International Airport produced some blowing dust.<\/p>\n

In 1991\u2026thunderstorms moving from southwestern sections of metro Denver to the east of Denver produced large hail up to golf ball size.\u00a0 An estimated 5 thousand homes and 8 thousand cars received considerable damage.\u00a0 Early estimates placed damage costs around 60 million dollars. Three funnel clouds were also reported\u2026two by personnel at Buckley Field and the other by a storm spotter.\u00a0 Heavy rain produced street flooding in Aurora where hail accumulated to a depth of 6 inches.\u00a0 As the storms moved to the east\u2026golf ball size hail was reported at Strasburg.<\/p>\n

In 1997\u2026hail to 3\/4 inch diameter fell in Broomfield.<\/p>\n

In 2002\u2026a very strong microburst near Strasburg swept a woman into a swirl of dirt and carried her about 150 feet. The woman was in an open field\u2026corralling a yearling horse\u2026 When the incident occurred.\u00a0 Fortunately\u2026she received only minor injuries.<\/p>\n

<\/span>23-24<\/p>\n

In 2002\u2026a pacific storm system brought much needed snow to the mountains and foothills with a mix of rain and snow on the plains.\u00a0 The most snow fell from central Jefferson County northward.\u00a0 Snow totals included:\u00a0 13 inches in Coal Creek Canyon\u202611 inches near Evergreen and atop gold hill\u2026 10 inches near Blackhawk and conifer and atop Crow Hill\u2026 9 inches near Rollinsville\u2026and 8 inches near Genesee and Golden.\u00a0 Rain was mixed with snow across the city. Precipitation totaled 0.61 inch at Denver International Airport.\u00a0 Snowfall was less than an inch at the site of the former Stapleton International Airport.\u00a0 The storm brought unseasonably cold air to metro Denver.\u00a0 Three temperature records were set.\u00a0 Low temperature of 31 degrees on the 23rd was a record minimum for the date\u2026as was the low of 32 degrees on the 24th.\u00a0 The high temperature of only 48 degrees equaled the record low maximum for the date.<\/p>\n

24<\/p>\n

In 1953\u2026a microburst caused a brief wind gust to 55 mph at Stapleton Airport.<\/p>\n

In 1957\u2026walnut size hail\u20261 1\/2 inches in diameter\u2026fell in east Denver.\u00a0 Only 1\/4 inch hail was measured at Stapleton Airport.<\/p>\n

In 1958\u2026rainfall totaled 1 to 2 inches across metro Denver. Rainfall was only 0.37 inches at Stapleton Airport.<\/p>\n

In 1974\u2026a tornado was observed briefly near Watkins.\u00a0 No damage was reported.<\/p>\n

In 1980\u2026strong gusty winds of at least 60 mph damaged buildings in parts of Denver.\u00a0 Several buildings were unroofed in Sheridan.\u00a0 The flying debris damaged other structures.\u00a0 Strong microburst winds gusted to 52 mph at Stapleton International Airport.<\/p>\n

In 1991\u2026a tornado touched down briefly in open country near Bennett.\u00a0 No damage was reported.<\/p>\n

In 1994\u2026weather spotters reported 2 funnel clouds over Aurora and a short-lived waterspout on Cheery Creek Reservoir.<\/p>\n

In 1997\u2026hail to 1 inch in diameter fell in Broomfield with 3\/4 inch hail measured in Boulder.<\/p>\n

In 1998\u2026a tornado struck a wooden hangar at the Aurora airpark.\u00a0 The hangar collapsed\u2026damaging a car and a single engine plane parked inside.\u00a0 An adjacent steel hangar sustained only minor damage.\u00a0 The tornado moved northeast\u2026hopped I-70\u2026and touched down again in an open field.\u00a0 Earlier\u2026a weak tornado touched down briefly in an open field 10 miles southeast of Buckley Field.<\/p>\n

In 2003\u2026severe thunderstorms produced large hail over northern and southern metro Denver.\u00a0 Hail as large as 2 3\/4 inches in diameter was measured 10 miles northwest of Hudson and to 2 inches in diameter 10 miles northeast of Fort Lupton.\u00a0 One inch diameter hail fell in Fort Lupton.\u00a0 Hail to 1 inch in diameter fell near Parker and to 3\/4 inch near Franktown.<\/p>\n

In 2004\u2026severe thunderstorms moved across northwest and north metro Denver.\u00a0 Hail as large as 1 inch in diameter fell in Broomfield and Thornton with 3\/4 inch hail measured near Arvada and Hudson and in the city of Denver.<\/p>\n

In 2005\u2026severe thunderstorms produced hail as large as 1 inch in diameter in Arvada and the city of Denver.<\/p>\n

In 2014…a severe thunderstorm in Lakewood produced hail… up to 1 inch in diameter.<\/p>\n

In 2016…a long-lived supercell formed over south Denver and tracked across northeast Adams and continued to produce severe weather as into moved into Yuma County. The length of its path was approximately 121 miles. The storm produced hail up to 1.5 inches in diameter in southeast Denver. As it moved across northeast Adams County…several power poles were sheared off at the base by straight-line winds to 80 mph southwest of Leader. The damage path became more extensive as the storm moved into the northeast plains of Colorado. At Denver International Airport…1.15 inches of precipitation fell which set a new daily precipitation record. The storm produced heavier rainfall on one to two inches east of Denver…with over 4 inches in central Arapahoe County.<\/p>\n

24-26<\/p>\n

In 1996\u2026a late spring snowstorm dumped 4 to 10 inches of snow over the Front Range foothills.\u00a0 Conifer picked up 10 inches of new snow; Aspen Springs\u20269 inches; and central city\u20268 inches.\u00a0 The sticky\u2026heavy snow clung to power lines and pulled tree branches down\u2026causing power outages to about 1200 homes in the conifer area.\u00a0 It took up to 6 hours to restore power to some residences. Lightning struck a telephone data cabinet in conifer on the 25th\u2026which knocked out phone service to about 1500 customers.\u00a0 Widespread rain fell across metro Denver\u2026 Where rainfall totaled 2.07 inches at the site of the former Stapleton International Airport and 1.66 inches at Denver International Airport where north winds gusted to 24 mph on the 26th.<\/p>\n

In 2010…from the 24th to the 26th…high winds preceding a cold front…swept across the Front Range Foothills and Urban Corridor.\u00a0 In Aurora…the wind damaged the roof of Rangeview High School.\u00a0 In Conifer and Denver…the wind downed trees and power lines and caused several brief outages.\u00a0 The downed power lines also caused several cars to catch fire in the vicinity of 1590 Cook St. in Denver. Peak wind gusts included:\u00a0 82 mph at Highlands Ranch…67 mph…4 miles east of Franktown and Longmont; 65 mph in Boulder…64 mph in Centennial and Denver International Airport…62 mph near Parker and 60 mph in Arvada.<\/p>\n

25<\/p>\n

In 1877\u2026lightning killed one person in west Denver and struck several houses.\u00a0 The bolt struck the house of the \u201chome laundry\u201d stunning the occupants and killing a lady who was holding one of her grand children in her arms. The child escaped unhurt.\u00a0 The lightning also struck the top of a tree in front of the house and partially peeled the bark off the tree.\u00a0 Lightning struck a church in the Evans addition and another tree in east Denver.\u00a0 Lightning struck the switch room at the telegraph office where the operator saw small balls of lightning pass across the room to the stove.\u00a0 The thunderstorm pelted the city with only pea size hail.\u00a0 Precipitation from the storm totaled 0.40 inch in downtown Denver.<\/p>\n

In 1880\u2026light rain all afternoon totaled only 0.24 inch in the city\u2026but was valuable to stockmen and farmers due to the very dry\u2026parched weather conditions on the plains.<\/p>\n

In 1965\u2026a tornado was sighted by a pilot 30 miles south southeast of Denver.\u00a0\u00a0 No damage was reported.\u00a0 Another pilot reported 3\/4 inch hail 30 miles east of Denver.\u00a0 The state patrol reported that a man was killed when a fierce gust of wind swept him from the back of a pick-up truck in northwest Douglas County.\u00a0 The man was holding a mattress in the bed of the truck.<\/p>\n

In 1974\u2026a microburst wind gust to 53 mph was recorded at Stapleton International Airport.\u00a0 A pilot reported a tornado 20 miles east of Denver.<\/p>\n

In 1976\u2026lightning struck a home in Boulder\u2026shattering 2 large trees and damaging a television set.<\/p>\n

In 1997\u2026hail as large as 1 3\/4 inches in diameter fell near Watkins.\u00a0 Hail to 3\/4 inch in diameter fell in Broomfield and near Lochbuie.<\/p>\n

In 2000\u20263\/4 inch diameter hail fell at Cheery Creek Reservoir in Aurora.\u00a0 Thunderstorm winds gusted to 51 mph at Denver International Airport where small hail fell.<\/p>\n

In 2006\u2026a severe thunderstorm produced an estimated wind gust to 70 mph in Hudson.\u00a0 The strong winds damaged the roof of a home.\u00a0 A thunderstorm produced southwest wind gusts to 54 mph at Denver International Airport.<\/p>\n

25-26<\/p>\n

In 1950\u2026a major storm dumped 10.0 inches of snowfall downtown and 10.7 inches at Stapleton Airport where northwest winds gusted to 30 mph on the 25th.\u00a0 The storm caused extensive damage to utility wires and trees which were in full leaf.\u00a0 A daily record minimum temperature of 31 degrees occurred on the 25th.\u00a0 This was the coldest temperature on this date in 79 years and for so late in the season.<\/p>\n

In 1989\u2026a late season snow storm dropped snow as low as 6 thousand feet along the Front Range.\u00a0 Most places in the foothills had 2 to 5 inches of snow.\u00a0 Overnight rainfall totaled 0.33 inch at Stapleton International Airport where north winds gusted to 37 mph on the 25th.<\/p>\n

In 1994\u2026lightning struck a television transmitter on Lookout Mountain near Golden and burned out a switcher\u2026which disrupted cable service for 2 hours.<\/p>\n

26<\/p>\n

In 1897\u2026apparent post-frontal north winds were sustained to 42 mph with gusts as high as 48 mph.<\/p>\n

In 1942\u2026the all-time highest recorded temperature in May\u202695 degrees\u2026occurred.<\/p>\n

In 1978\u2026two children were struck and killed by lightning on a junior high school playground in Parker.<\/p>\n

In 1987\u20261 inch diameter hail fell near Boulder and Bennett.\u00a0 The hail was fairly soft and caused no damage.<\/p>\n

In 1993\u2026dry thunderstorms produced wind gusts to 81 mph at Jefferson County Airport near Broomfield.\u00a0 Several trees were blown down by the strong winds.\u00a0 Microburst winds gusted to 51 mph at Stapleton International Airport.<\/p>\n

In 1995\u2026a woman was injured in Littleton when the car she had just entered was struck by lightning.\u00a0 All of the windows in the car were blown out by the strike.\u00a0 A funnel cloud was sighted near Littleton.<\/p>\n

In 2000\u2026a strong microburst wind gust to 92 mph flipped a small airplane on its back and blew a DC-3 loose from its moorings\u2026which allowed it to roll onto a grassy field at Front Range Airport near Watkins.<\/p>\n

In 2010…severe thunderstorms pounded parts of the Urban Corridor with very large hail…heavy rain…damaging winds and a tornado.\u00a0 The hail…ranging in size from 1 inch to 2 3\/4 inches in diameter…struck Brighton…Commerce City and northeast Denver the hardest. The storms continued to spread destruction to the north and east…impacting Byers…Hudson…Deer Trail and Prospect Valley.\u00a0 The combination of hail and wind stripped the bark and branches from trees.\u00a0 Numerous accidents were reported as the hail accumulated up to a foot deep.\u00a0 Snowplows were called out to clear the roadways.\u00a0 Flash flooding occurred along State Highway 52 between Hudson and Keenesburg…and forcing the closure of the highway. Widespread crop damage was also reported as the area was inundated with up to 18 inches of water.\u00a0 Extensive damage to homes…businesses and automobiles was reported with the damage estimated to be around 70 million dollars.\u00a0 A tornado touched down near Denver International Airport…but did no damage.\u00a0 Lightning struck a child in Commerce City while she was watching television.\u00a0 She suffered minor injuries to her leg. At the Rocky Mountain Arsenal Wildlife Refuge…a lightning strike killed a bison.\u00a0 At Denver International Airport…only 0.01 inch of rainfall was observed…along with a peak wind gust to 48 mph from the southeast.<\/p>\n

In 2016…severe thunderstorms produced hail up to one inch in diameter near Castle Rock…The Pinery and Watkins.<\/p>\n

26-31<\/p>\n

In 1995\u2026a cool period with light morning showers and moderate to heavy afternoon showers and thunderstorms pushed rivers already swollen from mountain snow melt over their banks causing minor flooding.\u00a0 Streams and rivers such as the South Platte and Boulder Creek flooded meadowlands\u2026bike paths\u2026roads near streams\u2026and other low lying areas.\u00a0 No significant property damage was reported and crop damage was unknown.\u00a0 Rainfall totaled 1.79 inches at the site of the former Stapleton International Airport and only 1.51 inches at Denver International Airport.<\/p>\n

27<\/p>\n

In 1874\u2026an apparent thunderstorm gust front reached the city at 6:40 pm.\u00a0 Strong southwest winds sustained to 48 mph for a few minutes produced large columns of dust in the city and on the prairie.\u00a0 There was no rain in the city.<\/p>\n

In 1942\u2026a duststorm swept into the city\u2026but no damage was reported.\u00a0 West winds were sustained to 23 mph.<\/p>\n

In 1953\u2026a heavy hailstorm caused an estimated 100 thousand dollars damage across metro Denver.\u00a0 Larger than golf ball size hail fell in Westminster and north Denver.\u00a0 Only 1\/8 inch hail was measured at Stapleton Airport.<\/p>\n

In 1955\u2026west-northwest winds at 35 mph with gusts as high as 58 mph briefly reduced the visibility to 1\/2 mile in blowing dust at Stapleton Airport.<\/p>\n

In 1981\u2026lightning damaged power lines west of Lakewood and blew up a transformer at the Denver federal center.\u00a0 Hail 1 to 1 1\/2 inches in diameter was reported in Lakewood and on I-25 south of Denver.<\/p>\n

In 2001\u2026hail as large as 3\/4 inch in diameter was measured near Commerce City.<\/p>\n

In 2003\u2026hail to 3\/4 inch in diameter fell near central city.<\/p>\n

In 2006\u2026unusually warm weather for late May produced two temperature records.\u00a0 The high temperature of 93 degrees was a record maximum for the date.\u00a0 The low temperature of 59 degrees equaled the record high minimum temperature for the date.\u00a0 Both previous records occurred in 1895.<\/p>\n

28<\/p>\n

In 1884\u2026a thunderstorm apparently produced large hail. The hail stones were noted as unusually large\u2026but the diameter of the stones was not measured.\u00a0 The hail fell for only 5 minutes.\u00a0 Precipitation from the storm was only 0.05 inch.<\/p>\n

In 1898\u2026heavy thunderstorm rainfall totaled 1.74 inches in downtown Denver.\u00a0 Hail of unknown size accompanied the storm.<\/p>\n

In 1981\u2026a woman in Aurora was struck and killed by lightning.\u00a0 Another bolt injured a boy on a bicycle at about the same time a short distance away.\u00a0 About half an inch of rain in 20 minutes caused street flooding in the area.\u00a0 A tornado touched down for about 2 minutes some 3 miles north of Stapleton International Airport.<\/p>\n

In 1982\u2026severe thunderstorms produced golf ball size hail in southeast Denver\u2026Aurora\u2026and Strasburg.\u00a0 The large hailstones undoubtedly damaged some cars in the area. At Stapleton International Airport\u2026only 1\/2 inch diameter hail was measured.<\/p>\n

In 1991\u2026golf ball size hail fell in Brighton.\u00a0 No damage was reported.\u00a0 Later\u2026hail ranging in size from 3\/4 inch to 1 1\/2 inches in diameter fell over southwestern sections of metro Denver.\u00a0 In some areas\u2026hail piled up a few inches in depth.<\/p>\n

In 1994\u2026thunderstorm wind gusts to 65 mph damaged 16 small airplanes and a hangar at centennial airport.<\/p>\n

In 2001\u2026severe thunderstorms produced large hail across metro Denver.\u00a0 Hail as large as 1 inch in diameter fell in Lakewood\u2026Wheat Ridge\u2026northwest Denver\u2026near Watkins\u2026 Bennett\u2026and Keenesburg.\u00a0 Hail 3\/4 inch or larger fell in Brighton.\u00a0 Thunderstorm winds gusted to 58 mph at Denver International Airport.\u00a0 A small tornado (f0) touched down near Bennett\u2026but did no damage.<\/p>\n

29<\/p>\n

In 1934\u2026the low temperature dipped to only 66 degrees\u2026the all-time record highest minimum temperature for the month of May.<\/p>\n

In 1958\u2026a microburst caused a brief wind gust to 56 mph at Stapleton Airport.<\/p>\n

In 1964\u2026heavy rain caused flooding in the Harvey Gulch area of southeast Denver.\u00a0 The high water damaged homes\u2026 Businesses\u2026streets\u2026and bridges.\u00a0 At Stapleton International Airport\u20261.33 inches of rain were measured with 1.76 inches total rainfall on the 29th and 30th.\u00a0 The heavy rain during the last week of the month was the first significant precipitation since April 3rd.<\/p>\n

In 1967\u20263\/4 to 1 inch diameter hail stones fell in the city of Denver\u2026but caused no reported damage.\u00a0 Hail as large as 3\/4 inch was measured at Stapleton International Airport.<\/p>\n

In 1975\u2026the heaviest last snowfall of the season occurred when 5.6 inches of snow were measured at Stapleton International Airport.\u00a0 Rain all day on the 28th changed to snow on the 29th and accumulated to a depth of 4 inches on the ground.\u00a0 Northwest winds gusted to 31 mph. Precipitation (rain and melted snow) on the 28th and 29th totaled 1.48 inches.<\/p>\n

In 1982\u2026one man was killed and two others injured by a lightning strike as they stood under a tree in the city of Denver\u2019s Washington park.<\/p>\n

In 1987\u20267\/8 inch diameter hail fell near Castle Rock.<\/p>\n

In 1990\u2026thunderstorms over metro Denver produced several small funnel clouds and two small tornadoes.\u00a0 The first tornado (f0) touched down in northwest Denver and caused roof damage to a house and snapped off the tops of several trees.\u00a0 A second tornado (f1) touched down in Northglenn and moved into Thornton damaging a group of self storage garages\u2026several vehicles\u2026a wooden fence\u2026several trees\u2026 And the roof of an auto parts store.\u00a0 No injuries were reported.\u00a0 The storms also caused minor street flooding across northern and western sections of metro Denver. Rainfall totals ranged from 1 to 3 inches.\u00a0 Lightning started a small fire at a home in northwest Denver.\u00a0 The fire was confined to the front rooms and was quickly extinguished.\u00a0 Snow plows were used to clear 2 to 4 inches of pea to marble size hail from a stretch of U.S. Highway 285 in Turkey Creek Canyon.\u00a0 Lightning felled a tree in northeast Denver\u2026while strong winds snapped off several large tree limbs in the same area.\u00a0 Thunderstorm rainfall totaled 0.82 inch at Stapleton International Airport where southwest winds gusted to 30 mph.<\/p>\n

In 1991\u2026lightning struck a 13 year old boy in a field in Fort Lupton.\u00a0 The boy was in critical condition in an area hospital for 2 days before recovering.<\/p>\n

In 1995\u2026lightning struck a soccer goal post and injured 6 adults viewing a soccer game in Arvada.\u00a0 Although no one received a direct hit from the lightning\u2026all escaped with only minor injuries\u2026except one woman who was hospitalized.<\/p>\n

In 1996\u2026large hail\u20263\/4 to 1 1\/2 inches in diameter\u2026 Struck Lakewood and west Denver.\u00a0 Lightning sparked a small fire when it struck an oil storage tank 5 miles west of Brighton.<\/p>\n

In 2001\u2026lightning sparked a fire in an apartment complex in Aurora\u2026forcing the evacuation of 24 units.\u00a0 Most of the fire damage was confined to the attic.\u00a0 Damage was estimated at 100 thousand dollars.<\/p>\n

In 2004\u2026a man and his son were struck by lightning while practicing on the driving range at the meadows golf club in southwest metro Denver.\u00a0 The father was killed by the bolt\u2026and his 16 year old son seriously injured.\u00a0 Three other people standing nearby received only minor injuries.<\/p>\n

In 2010…hail up to 7\/8 inch in diameter was reported in Broomfield.<\/p>\n

In 2017…an isolated thunderstorm produced hail up to 7\/8 inch in diameter near Centennial.<\/p>\n

29-1<\/p>\n

In 1894\u2026heavy rain combined with snowmelt runoff caused widespread flooding over the South Platte River basin. Rainfall was heaviest in the foothills where 5 to 8 inches were measured over the 4 days.\u00a0 Heavy rainfall west of Boulder flooded mining towns and damaged mining properties.\u00a0 In the canyons above Boulder\u2026railroads and roads were washed out along with many bridges.\u00a0 The floodwaters spread into central Boulder and covered a wide area from University Hill north to near Mapleton Hill to a maximum depth of 8 feet.\u00a0 Many houses were swept away\u2026and every bridge in Boulder was destroyed. A few people\u2026trapped in their homes by the floodwaters\u2026 Had to be rescued.\u00a0 However\u2026the gradual rise of the flood waters resulted in only one death.\u00a0 Boulder creek spread to a width of nearly one mile in the pasture land to the east of Boulder.\u00a0 Extensive flooding on left hand creek north of Boulder washed away railroad and wagon bridges.\u00a0 The heavy cloudbursts caused flooding on bear creek\u2026which washed away bridges\u2026railroad tracks\u2026and structures and destroyed the canyon roadway.\u00a0 Morrison sustained the heaviest flood damage on Bear Creek.\u00a0 In Denver\u2026rainfall totaled only 1.50 inches on the 30th and 31st\u2026but the heavy rainfall on upstream tributaries of the South Platte River caused the river to rise as much as 10 feet above the low water mark in the city\u2026which caused some flooding of pasture land downstream to a depth of 6 feet near Brighton.<\/p>\n","protected":false},"excerpt":{"rendered":"

We are getting closer to Colorado\u2019s severe weather season and see how dangerous it can be when we look back in Denver weather history.\u00a0 Many occurrences of dangerous lightning, large hail, flooding and tornadoes have been the hallmark of this week in Denver weather history. 20-27 In 2002\u2026lightning sparked a wildfire near Deckers.\u00a0 Extremely dry … Continue reading May 23 to May 29: 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":[81,106,62,387,741],"_links":{"self":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/21581"}],"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=21581"}],"version-history":[{"count":1,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/21581\/revisions"}],"predecessor-version":[{"id":21582,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/21581\/revisions\/21582"}],"wp:attachment":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/media?parent=21581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/categories?post=21581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/tags?post=21581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}