{"id":2853,"date":"2010-07-25T05:36:55","date_gmt":"2010-07-25T11:36:55","guid":{"rendered":"http:\/\/www.thorntonweather.com\/blog\/?p=2853"},"modified":"2010-07-27T16:01:28","modified_gmt":"2010-07-27T22:01:28","slug":"july-25-to-july-31-this-week-in-denver-weather-history","status":"publish","type":"post","link":"https:\/\/www.thorntonweather.com\/blog\/weather-history\/july-25-to-july-31-this-week-in-denver-weather-history\/","title":{"rendered":"July 25 to July 31 – This week in Denver weather history"},"content":{"rendered":"
\"July
July 25 to July 31 - This week in Denver weather history<\/figcaption><\/figure>\n

Colorado’s unofficial severe weather season is during the months of May and June.\u00a0 However, as we look back in Denver weather history, we see that July can oftentimes hold its own.\u00a0 Many occurrences of flooding, scorching heat, and even tornadoes have been recorded.\u00a0 Most notably, this week marks the 24th anniversary of the Big Thompson Flood – Colorado’s deadliest weather disaster ever.<\/p>\n

7-25\u00a0<\/p>\n

In 1934…a streak of 15 consecutive days of 90 degrees ranked 5th on the list of hot streaks.\u00a0 The record of 24 consecutive days was established in the summer of 2008.<\/p>\n

13-5\u00a0<\/p>\n

In 2008…a streak of 24 consecutive days of 90 degrees shattered the previous record of 18 consecutive days established in 1901 and 1874.\u00a0\u00a0 Ironically…no new single day record high temperatures were set in the month of July. In August however…a record of 104 degrees was set on the 1st…and another record of 103 degrees was set on the 2nd. In addition…a record low min of 70 degrees was set on August 2nd.<\/p>\n

18-2\u00a0<\/p>\n

In 1987…a streak of 16 consecutive days of 90 degrees ranked 4th on the list of hot streaks.\u00a0 The record of 24 consecutive days was established in the summer of 2008.<\/p>\n

20-25<\/p>\n

In 1965…heavy showers and thunderstorms doused metro Denver with significant rain each day.\u00a0 Rainfall for the six days totaled 5.16 inches at Stapleton International Airport. Massive rainfall occurred on the 20th…21st…and 25th… Flooding streets and basements and causing streams to overflow.\u00a0 The heaviest rainfall…2.05 inches…at Stapleton International Airport occurred on the 25th.<\/p>\n

24-25<\/p>\n

In 2003…maximum temperature of 100 degrees on the 24th was a record high for the date.\u00a0 Low temperature of 73 degrees on the 25th was a record high minimum for the date.<\/p>\n

25\u00a0\u00a0\u00a0<\/p>\n

In 1875…brief heavy rain and hail lasted only 5 minutes… But the 1\/4 inch diameter hail covered the ground to a depth of 1\/2 inch and made the streets look like there had been snowfall.\u00a0 There was much crop damage…especially to corn…and some sheep were killed.\u00a0 Precipitation totaled 0.51 inch in the city.
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\nIn 1896…a heavy thunderstorm produced sustained northwest winds to 45 mph with gusts to 50 mph and 1.02 inches of rain.
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\nIn 1965…a cloudburst dumped 1.99 inches of rain in 30 minutes at Stapleton International Airport.\u00a0 The storm was accompanied by strong winds gusting to 70 mph.\u00a0 The heavy rain flooded numerous streets in east Denver and Aurora. One inch diameter hail accompanied a cloudburst…9 miles southwest of Denver.\u00a0 A funnel cloud was sighted 25 miles northwest of Denver.\u00a0 In Aurora…there were unofficial reports of 2.30 inches of rain in 40 minutes and 3.30 inches of rain in 30 to 40 minutes.\u00a0 Rainfall totaled 2.05 inches at Stapleton International Airport.\u00a0 Rainfall of 2.42 inches for 24 hours on the 24th and 25th was the second greatest on record for July.
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\nIn 1977…a tornado touched down briefly in Aurora southeast of Cheery Creek Reservoir.\u00a0 No damage was reported. A funnel cloud was sighted for 4 minutes by national weather service personnel 10 miles north of Stapleton International Airport near Henderson.
\n\u00a0
\nIn 1991…heavy rain…up to half an inch in 10 minutes…caused flooding in Westminster…Northglenn…and north Denver where a section of railroad track was washed away.\u00a0 At Stapleton International Airport…heavy thunderstorm rain totaled 1.85 inches and briefly reduced the visibility to 1\/4 mile. Hail to 1\/8 inch in diameter was also measured.\u00a0 A tornado touched down briefly near Fort Lupton.\u00a0 No damage was reported.
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\nIn 1998…heavy monsoonal thunderstorm rains caused flooding and flash flooding in eastern and southern sections of metro Denver…including Englewood and Aurora…when about 2 to 3 inches of rain inundated the area.\u00a0 Both I-25 and I-70 were closed for 2 to 3 hours as several low lying areas became impassable due to the high waters.\u00a0 The water was estimated to be 15 feet deep in one flooded underpass along I-25.\u00a0 As a result…the freeway was closed from south of 6th avenue to university blvd.\u00a0 Standing water forced the closure of I-70 at gun club road east of Denver.\u00a0 In Englewood…U.S. Highway 285 was closed…when high water made it impassable.\u00a0 Several cars were reportedly floating down the roadway near Sheridan Blvd.\u00a0 In Aurora…the intersection at Yale Ave. And chambers rd. Was flooded by high water up to 4 feet deep when a spillway on the high line canal was breached.\u00a0 Lightning also knocked out 11 transformers across metro Denver…causing several small fires and scattered power outages.\u00a0 Flood and flash flooding also occurred north of Strasburg when as much as 2.51 inches of rain fell in an hour.\u00a0 The deluge resulted in considerable flooding of local streets and County roads.\u00a0 Torrential rainfall of 2 to 3 inches in less than an hour triggered a flash flood in Virginia Canyon.\u00a0 County Road 279 between Idaho Springs and Central City was closed for two days to clear debris from mudslides.\u00a0 Several cars in Idaho Springs were washed off the road…and numerous basements were flooded in town.\u00a0 Thunderstorm rainfall totaled 2.69 inches at Denver International Airport.
\n\u00a0
\nIn 2001…lightning struck two homes in Lafayette…damaging the roof and attic of one and shorting out the electrical system in another.\u00a0 Hail to 1 3\/4 inch in diameter was measured 7 miles north of Castle Rock with 3\/4 inch hail 7 miles north of Sedalia.
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\nIn 2005…heavy thunderstorm rain in the vicinity of the overland wildfire burn scar triggered a mudslide in Jamestown.\u00a0 Rocks the size of bowling balls…along with silt and mud slid down the mountain into the town.\u00a0 No one was injured.\u00a0 One parked car was buried by the debris.
\n\u00a0
\nIn 2006…heavy thunderstorm rainfall caused flash flooding 1 mile north of the town of Westcreek in southwestern Douglas County.\u00a0 Several maintenance roads were washed out by the floodwaters.<\/p>\n

26\u00a0\u00a0\u00a0<\/p>\n

In 1891…a thunderstorm produced sustained northeast winds to 44 mph with gusts to 60 mph and 0.16 inch of rain.
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\nIn 1894…a thunderstorm produced sustained southwest winds to 36 mph with gusts to 58 mph…but only 0.04 inch of rain.
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\nIn 1910…the high temperature reached 100 degrees in downtown Denver.
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\nIn 1959…a Denver man was stunned while standing by a car that was struck by lightning.\u00a0 He was treated for burns and shock at a local hospital.\u00a0 Thunderstorm winds gusted to 55 mph at Stapleton Airport.
\n\u00a0
\nIn 1983…two heavy thunderstorms hit the northern and western suburbs.\u00a0 The first drenched Northglenn with an inch of rain in 30 minutes.\u00a0 The second storm dumped an inch or more of rain in Idaho Springs and Evergreen.\u00a0 The heaviest rainfall… 2.90 inches in an hour…caused minor street flooding in Golden.
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\nIn 1984…heavy early morning thunderstorms drenched the foothills southwest of Denver.\u00a0 Rainfall to 1 1\/2 inches in just 30 minutes occurred between Evergreen and Conifer.\u00a0 In nearby Turkey Creek Canyon…1.80 inches of rain was recorded in 35 minutes.
\n\u00a0
\nIn 1985…a long rope-like white tornado touched down 5 miles east of Erie and stayed on the ground…mainly over an open field…for 18 minutes.\u00a0 However…the twister damaged a few cars on I-25 and injured 3 people from broken glass.\u00a0 The storm flipped over a van…blew out car windows…and ripped a highway sign.\u00a0 It also blew an outbuilding off its foundation.\u00a0 A tornado also touched down briefly 8 miles north of Bennett.\u00a0 No damage was reported from this storm.
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\nIn 1988…a 9-year-old girl was slightly injured by lightning in Parker.
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\nIn 2003…a severe thunderstorm in and south of Franktown produced hail as large as 1.75 inches in diameter.<\/p>\n

26-27<\/p>\n

In 1885…heavy cloudbursts on the palmer divide south of Denver caused flooding on Cherry Creek in the city overnight.\u00a0 The high water washed away street and railroad bridges and a few houses.\u00a0 The flood waters completely inundated the rail yards in lower downtown.\u00a0 This was the worst flood on Cherry Creek since May 19-20…1864…but the damage was mitigated by stream improvements and fewer structures near the channel.\u00a0 There was also no simultaneous flood on the South Platte River to slow the flow of water through the city.\u00a0 Rainfall in the city was only 0.08 inch on the 26th.<\/p>\n

27\u00a0\u00a0\u00a0<\/p>\n

In 1897…an apparent dry microburst produced sustained west winds to 48 mph with gusts to 60 mph and a trace of rain.
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\nIn 1901…a thunderstorm produced north winds to 38 mph with gusts to 41 mph and rainfall of only 0.01 inch in downtown Denver.\u00a0 This was the only measurable rainfall of the month… Making this the driest July on record.
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\nIn 1953…an unconfirmed tornado in south Lakewood touched down briefly and abruptly dissipated.\u00a0 No damage was reported from the twister.
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\nIn 1955…the public sighted a funnel cloud estimated at 500 feet above the ground near the western edge of Lowry Field. Wind estimates up to 60 mph were reported in the vicinity.
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\nIn 1956…a severe thunderstorm produced 3\/4 inch diameter hail and wind gusts to 48 mph at Stapleton Airport where rain fall totaled 1.08 inches.
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\nIn 1965…a tornado was sighted 21 miles south of Denver in Douglas County.\u00a0 No damage was reported.
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\nIn 1977…a thunderstorm wind gust to 51 mph was recorded at Stapleton International Airport.\u00a0 A funnel cloud was sighted by an aircraft east of Parker.
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\nIn 1982…heavy rain doused Boulder with 1 1\/2 to 3 inches of rain over a short period of time…causing extensive street flooding.
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\nIn 1984…strong thunderstorms drenched several areas. Rainfall of 1.04 inches occurred in just 20 minutes at Boulder.\u00a0 Downpours also hit Aurora and northeast Denver… Delaying flights at Stapleton International Airport for an hour.\u00a0 Up to 3\/4 inch of rain fell in central Aurora in 15 minutes.
\n\u00a0
\nIn 1989…lightning hit a home in Littleton…setting a bed on fire.\u00a0 Damage was confined to the bedroom.
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\nIn 1994…lightning struck a furniture store in Boulder… Igniting a fire which caused major damage to the building and contents.
\n\u00a0
\nIn 1997…lightning sparked a fire…causing extensive damage to a home in Watkins.\u00a0 Heavy rain caused Lena Gulch to surge 2 feet over its banks in Golden.\u00a0 The fire department had to rescue a man when his van stalled in high waters. High waters from swollen creeks and streams washed out bridges and several sections of road in southeast Aurora. A 200-to-300 foot section of road was washed away where Piccadilly Street dips across coal creek.\u00a0 Three youths had to be rescued when they became stranded by rapidly rising water in another normally dry creek bed.
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\nIn 1999…lightning was suspected of igniting a fire which caused substantial damage to a farm in Hudson.\u00a0 The blaze destroyed a 10-foot by 60-foot metal pole barn…a pick-up truck…a SUV…a boat and trailer…3 four wheeler vehicles… And other farm equipment.
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\nIn 2007…a man was struck and killed by lightning while jogging at Matthews Winters Park in Morrison.<\/p>\n

27-31<\/p>\n

In 1956…96 percent of the total precipitation for the month of July occurred over the last five days of the month. Heavy thunderstorms produced 4.00 inches of rainfall at Stapleton Airport.\u00a0 This amount of precipitation in 5 days or less had been exceeded only 3 times in previous record. The last time had been in December of 1913 as snow. Considerable property damage occurred across metro Denver from flooding.<\/p>\n

28\u00a0\u00a0\u00a0<\/p>\n

In 1882…intense thunderstorm lightning struck a number of places in the city…but no significant damage was reported.
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\nIn 1910…heavy thunderstorm rainfall totaled 2.21 inches in downtown Denver.\u00a0 Rainfall was 1.11 inches in an hour during the early afternoon.
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\nIn 1922…heavy rainfall to the south of Denver caused Cherry Creek to rise to the top of the retaining walls in the city. The creek did not flood; however…the large volume of water discharged into the South Platte River did inundate a few blocks of Globeville.\u00a0 Flooding also occurred along Bayou Creek near Franktown to the south of the city.
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\nIn 1923…thunderstorm winds were sustained to 38 mph with gusts to 52 mph.
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\nIn 1957…iridescent cirrocumulus clouds of unusual formation and brilliant color…oriented from southwest to northeast over metro Denver…were sighted by U.S. Weather Bureau observers at Stapleton Airport shortly after noon.
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\nIn 1966…heavy rains from a severe thunderstorm caused flash flooding on deer creek…southwest of Littleton.\u00a0 A child was injured when washed from a car caught in the flood waters. The flooding damaged property along the creek.\u00a0 Strong winds damaged several houses in suburban Littleton.
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\nIn 1970…a microburst wind gust to 52 mph was recorded at Stapleton International Airport.
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\nIn 1974…a tornado was sighted just east of Buckley Field in Aurora.\u00a0 No damage was reported.
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\nIn 1982…up to 2.50 inches of rain drenched an area just southwest of Denver in 30 minutes.\u00a0 This was the second day of heavy rain across portions of metro Denver.
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\nIn 1984…1.25 inches of rain fell in 45 minutes in Arvada. Minor flooding occurred on bear creek after a small dam broke.
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\nIn 1989…lightning killed two men in Arvada.\u00a0 They were taking wash from a clothesline when a bolt hit the older man…39… Killing him instantly.\u00a0 The bolt then traveled along the line…which was stretched between 2 tall trees…and hit his 26-year-old brother who died the next day.
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\nIn 1996…several weak tornadoes developed along a thunderstorm outflow boundary that moved into southern weld…northern Jefferson…and Adams counties.\u00a0 The tornadoes sighted near Bennett…Barr Lake…and in Arvada caused little damage. Strong thunderstorm winds downed several trees in the city of Denver and toppled several trees 7 miles west of Arvada where shingles were blown off several houses.\u00a0 Thunderstorm wind gusts reached 58 mph in Broomfield.
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\nIn 1997…a weak tornado touched down briefly in Parker… Damaging a greenhouse.\u00a0 Twenty pieces of the fiberglass roof were ripped away.\u00a0 Heavy rainfall in the foothills washed out some culverts in the pine and conifer areas. Heavy rainfall spread over the plains with 4 to 7 inches reportedly falling near Hudson.\u00a0 Several County roads were washed out between fort lupton and Hudson.\u00a0 Several basements in the area were flooded up to the ceiling. Standing water…up to 3 feet deep…was reported in some backyards.\u00a0 Later in the evening…a flash flood killed 5 people and injured 40 others in two mobile home parks in Fort Collins.\u00a0 The torrential rainfall also caused extensive damage on the Colorado State University campus. Thunderstorm rainfall totaled 0.80 inch at Denver International Airport and 1.09 inches at the site of the former Stapleton International Airport.
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\nIn 1999…heavy rainfall…up to 3 inches an hour…triggered a massive rock and mudslide along I-70 near Bakerville. The slide area was about 200 feet wide and 20 feet deep. Several other smaller slides were also reported along the highway.\u00a0 As a result…I-70 was closed for nearly 25 hours in both directions until the debris could be cleared from the roadway.\u00a0 The blockage of I-70 was one of the longest in the history of the highway in Colorado. A severe thunderstorm produced a wind gust to 64 mph at Denver International Airport.\u00a0 The storm also produced 1.56 inches of rain and briefly reduced the visibility to 1\/4 mile.
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\nIn 2004…a severe thunderstorm produced hail as large as 1 inch in diameter in Thornton.<\/p>\n

28-30<\/p>\n

In 1889…dense smoke from forest fires in the mountains obscured the sun over the city for three days.
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\nIn 1971…a vigorous cold front late on the 28th produced northeast wind gusts to 39 mph and record breaking cold temperatures on the 29th and 30th.\u00a0 The temperature dipped to 47 degrees on the 29th and 43 degrees on the 30th… Setting record minimums for the dates.\u00a0 Upslope cloudiness along with rain and fog early on the 29th helped set a record low maximum temperature of 58 degrees for the date.<\/p>\n

29\u00a0\u00a0\u00a0<\/p>\n

In 1878…a total eclipse of the sun was observed at 2:20 pm. From before to during the eclipse…the temperature in the sun fell from 114 degrees to 82 degrees…while the shade temperature fell from 89 degrees to 83 degrees.
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\nIn 1880…heavy thunderstorm rain and hail flooded streets and ditches.\u00a0 In 25 minutes…0.76 inch of rain fell on the city along with large hail to 3\/4 inch in diameter.\u00a0 There were no strong winds with the storm.
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\nIn 1890…a thunderstorm produced sustained west winds to 48 mph with gusts to 60 mph…but only 0.01 inch of rain.
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\nIn 1956…heavy rain and hail fell over west and north Denver.
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\nIn 1964…hail to 3\/4 inch in diameter fell at Lowry Airfield.
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\nIn 1978…a small tornado was sighted just east of Parker.\u00a0 No damage was reported.
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\nIn 1989…heavy rain drenched all areas of the Front Range… Both in the foothills and adjacent plains.\u00a0 Amounts of 1 to 3 inches were general over the area.\u00a0 Damage was confined to a few minor road washouts and some street…basement…and crop flooding.\u00a0 Thunderstorm rainfall totaled 1.44 inches at Stapleton International Airport where north winds gusted to 43 mph.\u00a0 Lightning struck a 250 thousand dollar home near Nederland and started a fire which destroyed all of it except two garages.\u00a0 Lightning started a fire in a home in Evergreen.\u00a0 It reached the house by hitting a tree…then traveling through a metal clothesline strung between the tree and the building.
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\nIn 1995…thunderstorm winds gusted to 59 mph in Brighton. Thunderstorm winds from the south-southeast gusted to 41 mph at Denver International Airport.\u00a0 High temperature of 99 degrees was a new record maximum for the date in Denver.
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\nIn 1997…heavy rain caused flooding in an apartment building in Westminster.\u00a0 Several residents had to be evacuated from their apartments.\u00a0 A woman in Aspen Park received minor injuries…when lightning passed through an office window and struck her.\u00a0 She suffered temporary blindness for about 15 minutes.
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\nIn 2003…hail as large as 1 inch in diameter pelted conifer… Highlands Ranch…and Franktown.<\/p>\n

29-30<\/p>\n

In 1997…heavy rain caused flooding and flash flooding in central portions of Adams and Arapahoe counties.\u00a0 Two homes were extensively damaged when water flooded the basements and adjacent pasture area in Strasburg.\u00a0 Water 4 to 5 feet deep had pooled in the lower lying areas of the town.\u00a0 A portion of Quincy Road was closed in Arapahoe County when 4 feet of water covered the roadway. Rainfall totaled 3.06 inches at Denver International Airport…establishing a new record for 24-hour rainfall in July.\u00a0 The previous record was 2.42 inches set in 1965 on the 24th and 25th.<\/p>\n

30\u00a0\u00a0<\/p>\n

In 1879…lightning struck a brick kiln in north Denver. Three men were knocked senseless…but all recovered. Rainfall in the city was only 0.09 inch.
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\nIn 1881…a thunderstorm dumped heavy rain and hail on the city…causing street flooding and much damage.\u00a0 A heavy torrent of rain fell with 1.10 inches measured in just 20 minutes.\u00a0 Storm total rainfall was 1.60 inches.\u00a0 The rain turned streets into running streams.\u00a0 Wood street crossings were torn up and washed away.\u00a0 The storm caused great damage by flooding many cellars where goods were stored.\u00a0 The brick yards suffered severe damage when the heavy rainfall destroyed many unfired bricks.
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\nIn 1913…northeast winds were sustained to 41 mph with gusts to 48 mph.
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\nIn 1939…a thunderstorm produced 0.08 inch of rainfall.\u00a0 This was the only measurable precipitation of the month…making the month the second driest July on record.
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\nIn 1961…heavy rain and lightning disrupted power lines and caused flooding in Denver.\u00a0 Thunderstorm rains totaled 1.60 inches at 11th and Lincoln in central Denver.
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\nIn 1972…the temperature climbed to a high of 100 degrees at Stapleton International Airport.
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\nIn 1983…hail 3\/4 to 1 inch in diameter fell in central and southeast Denver and in Littleton.\u00a0 Rainfall of 1.50 inches occurred in just 30 minutes in Littleton.\u00a0 There was some street flooding in both cities with wind gusts up to 55 mph.
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\nIn 1984…central Aurora was hit by a downpour that produced 1.80 inches of rain and sent water 2 to 3 feet deep into some streets.\u00a0 Before the rain stopped later in the evening… The storm had dropped as much as 2.80 inches of moisture on the city.\u00a0 Thunderstorm rainfall totaled only 0.82 inch at Stapleton International Airport.
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\nIn 1985…a tornado was spotted in open country 10 miles southwest of Bennett.\u00a0 No damage was reported.\u00a0 One inch hail was reported in south Lakewood.
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\nIn 1997…one man was killed and his girlfriend critically injured when they were struck by lightning on the Kennedy Golf Course in southeast Denver.\u00a0 Both were struck in the head when they took refuge under a tree during a downpour. Lightning struck a home in unincorporated Arapahoe County east of Buckley Field.\u00a0 The fire started in the electrical panel boxes…causing extensive damage to the home.\u00a0 Heavy rain and hail triggered a flash flood in Boulder…which sent water through a window of the financial aid office on the University of Colorado campus.\u00a0 In addition…ceiling tiles…carpets…and dressing rooms were damaged at the Coors Events Center when a pipe draining rainwater broke during the downpour.\u00a0 In all…10 buildings on the campus received water damage estimated at 100 thousand dollars.\u00a0 Hail as large as 1.25 inches in diameter accompanied the heavy rain in Boulder.\u00a0 Thunderstorm rainfall totaled 2.71 inches at Denver International Airport where west winds gusted to 41 mph.\u00a0 This was the greatest calendar day official precipitation ever recorded in July.
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\nIn 1998…heavy rain…up to 3 inches in an hour…caused flash flooding problems from Castle Rock to Parker.\u00a0 I-25 north of Castle Rock was closed as high waters covered sections of the highway.\u00a0 Some cars were left floating in the flood waters.
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\nIn 2001…a severe thunderstorm produced a wind gust to 70 mph at a wind sensor on the northeast corner of Denver International Airport.
\n\u00a0
\nIn 2004…a severe thunderstorm produced wind gusts to 71 mph in Evergreen.
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\nIn 2005…the temperature climbed to a high of 101 degrees at Denver International Airport.\u00a0 This was a new record maximum temperature for the date.\u00a0 In addition…this was the 7th day of the month with a high temperature of 100 degrees or more…which set a new Denver record for the most 100 degree days in a month…for a season…and in a year.<\/p>\n

31\u00a0\u00a0\u00a0<\/p>\n

In 1873…the all-time lowest recorded temperature in July… 42 degrees…occurred.\u00a0 The same temperature also occurred on July 4…1903.
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\nIn 1874…during the late afternoon rain and hail fell for 5 minutes followed by brief heavy rain.\u00a0 Pieces of solid ice of irregular shape fell upon the roof of the station. The hail stones measured 1 1\/2 inches in diameter. Precipitation (rain and melted hail) was only 0.16 inch.
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\nIn 1889…the high temperature climbed to 100 degrees in downtown Denver.
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\nIn 1919…heavy thunderstorm rainfall totaled 2.59 inches in downtown Denver during the evening.\u00a0 Rainfall was 1.90 inches in an hour…a new record at that time.
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\nIn 1961…over an inch of rain in a short period of time caused flooding of streets and basements in Denver.\u00a0 Rainfall totaled 1.30 inches at 11th and Lincoln in central Denver.
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\nIn 1964…the temperature reached 91 degrees in Denver…making this the 27th day of the month that the temperature reached 90 degrees or more.\u00a0 This is the all time record for 90 degree days in a month in Denver.
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\nIn 1972…one inch diameter hail fell in Hudson northeast of Denver.
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\nIn 1976…during the evening hours extremely heavy thunderstorm rains produced flash flooding in Big Thompson Canyon which killed 144 people between Estes Park and Loveland.\u00a0 No significant weather occurred in metro Denver at the time.
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\nIn 1987…1 inch diameter hail fell in Lakewood and 3\/4 inch hail fell near Louisville.\u00a0 Southeast Boulder County was drenched with 1.25 inches of rain in just 20 minutes.
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\nIn 1993…thunderstorm winds damaged a chimney of a home near Parker.
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\nIn 1996…a weak tornado (f0) was sighted 12 miles east of Denver International Airport.\u00a0 No damage was reported.
\n\u00a0
\nIn 1998…heavy monsoonal thunderstorm rain triggered a mud slide in Blackhawk.\u00a0 The mudslide blocked Main St. And caused an estimated half million dollars in damage to a casino.\u00a0 Heavy thunderstorm rain…up to 3 inches in an hour…caused a flash flood along buffalo creek.\u00a0 Portions of County road 126 just south of the town of buffalo creek were washed out.\u00a0 The flood waters nearly washed away the bridge as mud and debris slammed into the structure.\u00a0 Hail to 1 3\/4 inches in diameter fell near Idaho Springs.
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\nIn 2004…severe thunderstorm winds toppled a 65-foot blue spruce tree in Parker.\u00a0 The tree landed on a home damaging the roof and gutters.\u00a0 The downed tree poked dozens of holes into the shingles.<\/p>\n","protected":false},"excerpt":{"rendered":"

Colorado’s unofficial severe weather season is during the months of May and June.\u00a0 However, as we look back in Denver weather history, we see that July can oftentimes hold its own.\u00a0 Many occurrences of flooding, scorching heat, and even tornadoes have been recorded.\u00a0 Most notably, this week marks the 24th anniversary of the Big Thompson … Continue reading July 25 to July 31 – 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":[81,106,62,741],"_links":{"self":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/2853"}],"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=2853"}],"version-history":[{"count":2,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/2853\/revisions"}],"predecessor-version":[{"id":2858,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/2853\/revisions\/2858"}],"wp:attachment":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/media?parent=2853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/categories?post=2853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/tags?post=2853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}