Public Information Statement
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
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620 NOUS45 KBOU 040859 PNSBOU COZ030>051-042300- Public Information Statement National Weather Service Denver/Boulder CO 259 AM MDT THU JUL 4 2024 ...Today in metro Denver weather history... 29-15 In 2000...the 29th marked the beginning of a near record hot streak for metro Denver. The high temperatures...as recorded at Denver International Airport...exceeded the 90 degree mark for 17 consecutive days from June 29th through July 15th. The record of 24 consecutive 90 degree or above days was set from July 13th through August 5th...2008. 1-18 In 1874...a streak of 18 consecutive days of 90 degrees...from the 1st to the 18th...tied for second with another streak that was later set in the summer of 1901. The record of 24 consecutive days was established in the summer of 2008. 4 In 1874...the temperature reached a high of 102 degrees in downtown Denver. Large forest fires in the mountains from the west-northwest to the south filled the atmosphere over the city with dense smoke. In 1885...a thunderstorm produced sustained winds to 44 mph with gusts to 60 mph. A circus tent was tattered by the strong winds. In 1900...a thunderstorm produced northwest winds sustained to 42 mph with gusts to 51 mph...but only 0.05 inch of rain. In 1903...the all time lowest temperature ever recorded in July...42 degrees...occurred. The temperature also occurred on July 31...1873. In 1910...thunderstorm winds were sustained to 42 mph from the southwest. In 1922...thunderstorm winds were sustained to 37 mph with gusts to 48 mph. In 1956...a thunderstorm wind gust to 54 mph was recorded at Stapleton Airport. In 1964...several men were knocked down by a bolt of lightning while playing golf in south metro Denver. They got up and ran for cover when one of them was struck by a second bolt. He suffered burns and shock. In 1987...a weak tornado was observed for 6 minutes...7 miles northeast of Watkins. Hail 3/4 to 1 1/4 inches in diameter fell in southeast Aurora. In 1988...lightning struck a group of people at the Jefferson County Fairgrounds. A 42-year-old woman was seriously injured and was hospitalized for 3 days. Four other people sustained minor injuries. In 1993...strong northwest winds uprooted several trees across metro Denver. Wind gusts to 64 mph were reported at Erie north of Denver. A west wind gust to 43 mph was recorded at Stapleton International Airport. In 1995...lightning struck and injured two people standing in a field in Arvada. In 1998...heavy thunderstorm rain...up to 2.75 inches...and marble size hail combined to flood local roads and fields near Roggen. In 2002...heavy thunderstorm rain in the Hayman Fire burn area caused flash flooding. In Jefferson County...Gulch Road was washed out. In Douglas County...high water washed out some forest access roads as well...generally to the east of a line extending from Signal Butte to Deckers. In 2010...intense thunderstorms produced torrential rainfall... in excess of 5 inches in one hour...and caused flash flooding in the vicinity of Elizabeth. Numerous county roads were washed out. The combination of heavy rain and hail made it necessary to run snow plows through town. Extensive basement flooding was also reported. Severe thunderstorms produced large hail from Aurora south to Elizabeth and Larkspur. The hail size ranged from 1 to 2 inches in diameter. A wet microburst produced 1.84 inches of rainfall at Denver International Airport. A peak wind gust to 48 mph was also observed from the northeast. In 2017...a microburst produced a wind gust to 61 mph...about 13 miles east-northeast of Denver International Airport. In 2019...severe thunderstorms brought a wave of large hail across portions of Arapahoe...Broomfield...Denver...Douglas...Jefferson... and Weld counties. The hail ranged in size from 1 to 2 inches in diameter. The city of Lone Tree evacuated Sweetwater Park... where Fourth of July celebrations were underway...and Brighton delayed its Fourth of July concert. The Denver Outlaws game was postponed due to lightning. In Denver County...there was widespread damage from the hail...including damage to roof coverings and vehicles. 4-5 In 1875...from the 4th to the 5th...nearly every railroad running into the city was damaged by heavy thunderstorm rains. The heavy rains washed out wooden bridges over normally dry creeks. Some trains were entirely suspended. In the city...heavy thunderstorm rain totaled 1.05 inches on the 4th...but only 0.28 inch on the 5th. 4-8 In 1989...one of the most intense heat waves on record roasted metro Denver. The temperature reached 100 degrees or more on 5 consecutive days. The city had previously never recorded more than 2 straight 100-degree days since records began in 1872. Water and electricity usage reached all time highs. The heat wave created extremely dry weather conditions...which contributed to a major forest fire in Boulder Canyon on July 9th. The temperature reached 103 degrees on the 8th...and the mercury climbed to 101 degrees on both the 4th and 5th...and to 102 degrees on both the 6th and 7th. The low temperature of 68 degrees on the 8th equaled the record high minimum for the date. $$