August 7 to August 13: This week in Denver weather history
As we get further into the month of August severe weather is less common. It can however still strike as we see in our look at this week in Denver weather history. Everything from torrential rains to massive hail and even a tornado have been reported.
From the National Weather Service:
In 1948…a brief west moving tornado was sighted 3 miles north-northeast of Stapleton Airport. The white funnel silhouetted against a gray cloud background was very narrow…nearly vertical…and estimated at nearly 5 thousand feet high. A dust cloud formed on the ground around the funnel. No damage was reported.
In 1952…a thunderstorm wind gust to 52 mph was recorded at Stapleton Airport.
In 2014…severe thunderstorms produced large hail across western and southern parts of metro Denver. Near Centennial and Golden…hail up to quarter size was reported. Near Bennett…a peak thunderstorm wind gust to 65 mph was also reported. At Denver International Airport…a peak wind gust to 46 mph was recorded.
In 1874…swarms of grasshoppers invaded the city. Millions of them were seen cruising through the air. The insects were apparently picked up by a thunderstorm gust front and carried into the city. The grasshoppers had ravaged crops in surrounding counties for the last month.
In 1878…the highest temperature ever recorded in Denver…105 degrees…occurred at 3:20 pm. This temperature was equaled on July 20th in 2005.
In 1969…the temperature reached 100 degrees at Stapleton International Airport.
In 1976…in Thornton…a 13 year old boy riding a bicycle was struck and killed by lightning.
In 2000…lightning struck three homes in central Arapahoe County east of Denver. Damage was estimated at 47 thousand dollars.
In 2003…hail to 1 inch in diameter pelted Denver. Hail to 7/8 inch was measured in Boulder.
In 2008…heavy rain also caused flash flooding over south Denver and its nearby suburbs. Heavy rain…from 2.5 to 4 inches…fell in less than 90 minutes. Firefighters rescued 20 people as the water quickly rose along creeks…flooded roadways…and stranded motorists. Three people had to be rescued along Cherry Creek when the bike path flooded.
In Evergreen…a man suffered minor injuries when he was struck by lightning. It entered his finger…traveled down his body… And exited his foot.
In 2013…heavy rain caused localized flash flooding in Aurora. An undergound parking garage at an apartment complex was inundated with 3 to 4 feet of water. Flash flooding forced a road closure at East Mississippi Ave. and Alton St. Also… several people had to be rescued when three vehicles stalled in floodwaters at Alameda Ave. and Havana St. The stationary thunderstorms dumped 2.75 inches of rain in less than 45 minutes. In addition…large hail…up to one inch in diameter… was reported north of Roxbourough State Park. At Denver International Airport…just a trace of rainfall was observed.
In 1979…heavy thunderstorm rains on each of three consecutive days dumped a total of 2.22 inches of rain at Stapleton International Airport. The heaviest rain… 0.95 inches…fell on the 9th. Small hail to 1/8 inch diameter fell on the 8th.
In 1875…clouds of grasshoppers were seen flying through the air on the prevailing winds during each day.
In 1900…a thunderstorm produced west winds sustained to 47 mph with gusts to 55 mph…but only 0.01 inch of rain.
In 1902…a thunderstorm produced no rain and north winds sustained to 52 mph with gusts to 60 mph.
In 1934…heavy cloudbursts in the foothills near Kittredge and at the head of Mount Vernon creek caused flash flooding on both Bear Creek and Mount Vernon Creek at Morrison… Which resulted in 6 deaths and much property damage. The highway in Mount Vernon canyon was destroyed by the flood waters.
In 1981…3/4 inch hail fell at Kittredge near Evergreen in Jefferson County.
In 1987…3/4 inch hail fell in Boulder and 9 miles northwest of Castle Rock.
In 1995…lightning struck a 16-year-old counselor in the back of the head while he and a friend were standing under a tree at the singing river ranch…7 miles west of Evergreen. He stopped breathing…but his friend was able to summon help and they were able to revive him. He was hospitalized for a few days and released.
In 1998…brief…weak tornadoes (f0) were sighted near Bennett and Roggen. No damage was reported. Hail as large as 1 inch diameter fell in Franktown with 3/4 inch diameter hail measured near Castle Rock. Thunderstorm winds gusted to 61 mph near Roggen.
In 2006…mid and high cloudiness overnight on both days resulted in two temperature records. The low temperature of 71 degrees on the 9th was a record high minimum for the date. The low temperature of 68 degrees on the 10th equaled the record high minimum for the date first set in 1936.
In 1924…0.01 inch of rain fell over downtown Denver. This along with the 0.01 inch of rainfall on the 4th was the only rainfall of the month…making this the driest August on record in the city.
In 1962…the high temperature reached 100 degrees at Stapleton Airport.
In 1970…hail stones to 1 inch in diameter were reported in the Fort Lupton area.
In 1972…dry thunderstorm microburst winds gusting to 46 mph briefly reduced the surface visibility to 3/4 mile in blowing dust at Stapleton International Airport.
In 1978…lightning struck two men in Aurora…killing one and injuring the other.
In 1982…a tornado was sighted near Castle Rock and remained on the ground for 10 minutes. Wind gusts to 60 mph were reported in Castle Rock. No damage was reported.
In 1994…heavy thunderstorm rains caused flash flooding on Lena Gulch in west metro Denver. Damage was estimated at 50 thousand dollars. Lightning struck a house in Westminster…causing a small attic fire.
In 1996…strong thunderstorm winds toppled a tent at a company picnic in Westminster. Five people received minor injuries when the tent collapsed. Two cars nearby were also damaged by flying debris. A weak tornado (F0)…first sighted near Denver International Airport…traveled east to near Bennett and Strasburg. No significant damage was reported.
In 1998…heavy rain caused flooding and flash flooding problems over southwest metro Denver. An observer in Lakewood measured 3.26 inches of rainfall in an hour. Several streets were flooded in central Lakewood.
In addition…a trailer park along Lena Gulch in Wheat Ridge was evacuated due to high waters. One inch diameter hail fell near Roggen.
In 1999…thunderstorm-producing tornadoes…damaging straight line winds…heavy rain…and hail hammered metro Denver. In the city…small hail and heavy rainfall…up to 2.50 inches an hour…caused a 20-foot by 50-foot section of the roof to collapse at a furniture warehouse. Damage to the warehouse was estimated at 1 million dollars. Heavy rain also flooded several underpasses with up to 3 feet of water…which resulted in a number of stalled vehicles. In Fort Lupton…a tornado bounced across the area. Spotty damage was reported along a 5-mile path as trees…power poles…and lines were downed. In addition…an empty semi-trailer was overturned onto another vehicle northeast of the town. Thunderstorm winds gusted to 81 mph south of Fort Lupton.
In 2004…severe thunderstorms pummeled metro Denver with large hail. Hail up to 3 inches in diameter was measured 10 miles east of Castle Rock. Two inch diameter hail fell in Louisville…10 miles north of Hudson…and 1 mile east of Brighton. Hail to 1.75 inches was reported in Englewood… 1 mile south of Ft. Lupton…and 8 miles east of Boulder. Hail to 1.50 inches was reported around Boulder…near Broomfield…and in Lafayette…Thornton and greenwood village. Hail from 3/4 to 1 inch in diameter was found in Broomfield… Brighton…Castle Rock…Denver and Thornton…and near Longmont… Northglenn…greenwood village…Morrison…and Wheat Ridge. Severe thunderstorm wind gusts were recorded to 66 mph in Parker and to 60 mph 5 miles northeast of Boulder. There were no damage estimates from the hail or wind.
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