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Public Information Statement
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
192 NOUS45 KBOU 170859 PNSBOU COZ030>051-172300- Public Information Statement National Weather Service Denver/Boulder CO 259 AM MDT WED JUL 17 2024 ...Today in metro Denver weather history... 7-25 In 1934...a streak of 15 consecutive days of 90 degrees...from the 7th to the 25th...ranked 5th on the list of hot streaks. The record of 24 consecutive days was established in the summer of 2008. 13-5 In 2008...a streak of 24 consecutive days of 90 degrees...from July 13th to August 5th...shattered the previous record of 18 consecutive days established in 1901 and 1874. 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. 16-18 In 1997...an extended hot spell resulted in 3 temperature records being set. The maximum temperature reached 98 degrees on each of the days...setting records on the 16th and 18th. The low temperature of 71 degrees on the 17th was a record high minimum for the date. The high temperature reached 100 degrees on the 17th at the site of the former Stapleton International Airport. 17 In 1872...the U.S. Army Signal Service weather observer recorded snowfall during the early morning hours in the hand written daily weather journal: "Rain commenced at 1:30 A.M. changing about 3 A.M. to snow & in about half an hour to rain again; it continued until 6 A.M." This is the only recorded occurrence of snowfall in Denver in July...but this report is not included in the "official" station snowfall records...which did not begin in Denver until January 1...1882. The low temperature on this morning was 45 degrees...which is sufficiently cold for the occurrence of light stratiform snowfall. In 1918...a thunderstorm produced hail to an inch in depth on the ground. The stones varied in size from a small cherry stone to nearly 1/2 inch in diameter. Not much permanent damage was done to crops. Precipitation totaled 0.40 inch...and northeast winds were sustained to 25 mph with gusts to 28 mph. In 1971...the temperature reached a high of 101 degrees at Stapleton International Airport. In 1983...3/4 inch diameter hail fell at Lafayette...while golf ball size hail pelted Brighton and Northglenn where funnel clouds were also sighted. In 1986...1 1/2 inches of rain fell in an hour and 15 minutes in southeastern Aurora. Thunderstorm rainfall totaled 0.89 inches at Stapleton International Airport. In 1987...a small tornado was sighted near Watkins...in the vicinity of Front Range Airport. In 1997...lightning ignited an oil well tank holding 10 thousand gallons of oil...16 miles northwest of Bennett. About 200 acres of grassland burned before the fire could be extinguished. A dry microburst produced a wind gust to 52 mph at Denver International Airport. In 2000...an estimated 2 inches of rain fell in less than an hour...causing two secondary roads in Buck and Miller gulches in the Hi Meadows fire burn area to wash out. Water also covered Jefferson County Road 68 which connects to Bailey. Homeowners in Pine Valley Estates attempted to divert some of the runoff by piling stacks of hay on the hillside above their homes. Torrential rainfall...up to 3.50 inches an hour...caused flash flooding along Whiskey Gulch near Elizabeth. Several roads were washed out and basements flooded during the storm. Along County Road 13... about 6 miles north-northwest of Elizabeth...rushing water washed away a 15-foot section of the road. The floodwaters forced debris and mud into four huge culverts...sending water over the road. At Denver International Airport...an United Airlines ground crew worker was struck by lightning as she was loading a Boeing 747 jumbo jet. The woman was injured when lightning either hit the jet or the loading equipment that she was working near. The 25-year-old woman received only minor injuries. In 2006...outflow from severe thunderstorms to the southeast of metro Denver produced southeast sustained winds to 35 mph with gusts as high as 52 mph at Denver International Airport during the late evening. In 2011...a deluge of heavy rain occurred in and around Nederland when the storm dumped nearly 2 inches of rain in 30 minutes. The heavy rainfall washed out hillsides and dirt roads. In Nederland...a culvert became blocked with debris and forced the water to spread into a nearby bookstore. The rainfall also damaged several residential roads in the Sunnyside Subdivision and Navajo Road became impassable. Several homes suffered flood damage as the runoff from a nearby Beaver Creek jumped its banks and flooded garages...living rooms and bedrooms of nearby houses. In 2016...a severe thunderstorm produced hail up to 1 inch in diameter near Buckley Air Force Base. $$