


Public Information Statement
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
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480 NOUS45 KBOU 030859 PNSBOU COZ030>051-032300- Public Information Statement National Weather Service Denver/Boulder CO 259 AM MDT THU APR 3 2025 ...Today in metro Denver weather history... 31-3 In 1979...total snowfall of 6.6 inches was measured at Stapleton International Airport where north winds gusted to 31 mph on the 31st. The greatest accumulation of snow on the ground was 3 inches on the 1st. 31-4 In 1905...much rain and some snow occurred over the 5 days behind an apparent cold front. Precipitation totaled 2.00 inches. There was a thunderstorm on the 3rd. Snowfall totaled 3.0 inches on the 4th. North winds were sustained to 34 mph on the 1st and 2nd and to 30 mph on the 3rd. High temperatures during the period ranged from the upper 30`s to the lower 40`s. Low temperatures were in the upper 20`s and lower 30`s. 1-3 In 1945...snow fell across metro Denver for a total of 51 consecutive hours. While the storm was not accompanied by excessive snow...the long duration made the event a heavy snow producer. Snowfall totaled 10.7 inches in downtown Denver with 9.5 inches recorded at Stapleton Airport. North winds were sustained to 21 mph on the 1st; otherwise winds were not strong. The air mass was very cold for April. The high temperatures of 26 on the 2nd and 17 on the 3rd were record low maximums for the dates. The latter was also a record low maximum for the month. Warm weather following the storm quickly melted the snow. In 1973...heavy snow fell at Stapleton International Airport where 8.7 inches were measured. Snow began late on the 1st and continued through early morning on the 3rd. Thunder accompanied the snow during the late morning and afternoon of the 2nd. North winds gusted to 33 mph on the 2nd and 37 mph on the 3rd. Snow only accumulated to a depth of 5 inches on the ground due to melting. In 1977...from the 1st to the 3rd...a foot of snow fell in Boulder and Broomfield. The Denver-Boulder Turnpike was closed for an hour after numerous minor traffic accidents. At Stapleton International Airport...snowfall totaled 4.7 inches and southeast winds gusted to 32 mph on the 2nd. The greatest depth of snow on the ground was only 3 inches due to melting. 2-3 In 1955...from the 2nd to the 3rd...strong west to southwest winds raked metro Denver on both days. Sustained winds as high as 37 mph with gusts to 60 mph were recorded at Stapleton Airport where the visibility was reduced to 1/4 mile in blowing dust. In 1974...from the 2nd to the 3rd...a heavy snowfall of 6.7 inches was accompanied by northeast wind gusts to 33 mph which produced some blowing snow across metro Denver. Over eastern Colorado many highways and schools were closed due to near-blizzard conditions from the storm. In 1986...from the 2nd to the 3rd...the worst snow storm of the season blasted metro Denver. Heavy snow and high winds combined to close roads...schools...and airports. Portions of all interstate highways out of Denver were closed at times. The snow came after an exceptionally mild late winter and early spring; trees and bushes had already bloomed and leafed out. The snow and wind snapped many of these...causing power outages. Total snowfall amounts in metro Denver ranged from 1 to 2 feet with 2 to 3 feet in the foothills. Snowfall totaled 12.6 inches at Stapleton International Airport where north winds gusting to 39 mph reduced the visibility to 1/8 mile in snow and blowing snow. Most of the snow fell on the 3rd when temperatures hovered around 30 degrees for most of the day. The heavy snow halted traffic and closed businesses. A 59- year-old man was found dead from exposure in northwest Denver. The roof of a toy store in Northglenn collapsed. A 100 thousand square foot section of a greenhouse roof collapsed in Golden...destroying over a million dollars worth of plants. In 2000...from the 2nd to the 3rd...a combination of strong instability and moist upslope winds allowed for a heavy... wet spring snowstorm to develop in and near the Front Range foothills. The heaviest snow occurred in southern Jefferson County. Storm totals included: 14 inches near Conifer...12 inches near Evergreen and on Floyd Hill; 11 inches near Blackhawk...Morrison...and Tiny Town; 10 inches at Aspen Springs and Eldora Ski Area; 9 inches at Chief Hosa; and 8 inches at both Golden Gate Canyon and Rollinsville. Only 2.1 inches of snow fell at the site of the former Stapleton International Airport. North winds gusted to 36 mph at Denver International Airport on the 2nd. In 2014...from the 2nd to the 3rd...a storm system brought moderate to heavy snow to the Front Range Mountains... Foothills and Urban Corridor. Storm totals in the mountains and foothills included: 21.5 inches...8 miles north of Blackhawk; 15.5 inches near Rollinsville...15 inches at Aspen Springs...14.5 inches near Ward...12 inches... 6 miles southwest of Evergreen; 11 inches at Cabin Creek and 12 miles south-southwest of Georgetown...10 inches at Winter Park...8 inches near Conifer...Georgetown and Gross Reservoir; 7.5 inches at Bailey and Intercanyon. In the Urban Corridor...storm totals included: 9.5 inches near Highlands Ranch...7 inches at Boulder...6 inches near Castle Rock...with 5.5 inches at Lakewood and Morrison. At Denver International Airport...3.4 inches of snowfall was observed. 2-4 In 1934...snowfall totaled 8.2 inches in downtown Denver from the afternoon of the 2nd through the early morning of the 4th. Most of the snow...6.8 inches...fell on the 3rd. Rain changed to snow behind a strong cold front on the afternoon of the 2nd. The cold front first appeared as a long-cigar shaped squall cloud to the north of the city. Strong north winds at sustained speeds of 33 mph with gusts to 43 mph produced much blowing dust and an abrupt fall in temperature...from a high of 68 on the 2nd to a low of 22 on the 3rd. In 1964...from the 2nd to the 4th...a major storm dumped 10.9 inches of heavy wet snow on Stapleton International Airport where northeast winds gusted to 35 mph. Most of the snow...10.0 inches...fell on the 3rd. 2-5 In 1918...from the 2nd to the 5th...snowfall totaled 12.4 inches over downtown Denver. Most of the snow fell on the 3rd and 4th. Temperatures were in the 20`s and 30`s. Northwest winds were sustained to 24 mph on the 2nd. 3 In 1872...skies were cloudy and threatening until 11:30 AM when it commenced to rain and continued to rain until 3:00 PM...when it turned into heavy snow with a very brisk north wind. Snow continued all night. Telegraph wires were downed between Denver and Cheyenne...and the night report could not be sent. Precipitation (rain and melted snow) measured 0.82 inch. In 1887...north winds were sustained to 43 mph. In 1894...northwest winds were sustained to 41 mph with gusts to 50 mph. The warm chinook winds on the 2nd became a bora as the temperature warmed to a high of only 52 degrees. In 1900...southeast winds were sustained to 52 mph with gusts as high as 61 mph. In 1945...the temperature warmed to only 17 degrees...the all-time record low maximum for the month. In 1968...a snow storm of unusual severity for so late in the season caused ground blizzard conditions with near zero visibility in snow at times and severe drifting of snow over portions of northeastern Colorado and metro Denver. Highways were blocked to the north of Denver and to Colorado Springs. Rain at the start of the storm contributed to power and communications outages. In metro Denver...snowfall totaled 7.0 inches at Stapleton International Airport where north winds gusted to 45 mph. In 1978...a tornado was sighted by a National Weather Service observer 3 miles north of Stapleton International Airport near the Rocky Mountain Arsenal. Security police on the Arsenal called it a large dust devil...but four commercial airline pilots confirmed the phenomenon as a tornado or funnel cloud. In 1981...a snowstorm hit northeastern Colorado...dumping 6 to 12 inches of snow in the foothills and 4 to 8 inches on the plains north of Denver. Snowfall totaled only 2.0 inches at Stapleton International Airport where north winds gusted to 24 mph. In 1985...strong winds of 60 to 70 mph occurred in the foothills. The driver of a car in Nederland was slightly injured when the wind toppled an utility pole onto his vehicle. Northwest winds gusted to 53 mph at Stapleton International Airport where the visibility was briefly reduced to 2 miles in blowing dust. In 1989...a northwest wind gust to 51 mph was recorded at Stapleton International Airport. In 2011...high winds developing along the Front Range during the early morning hours. Peak wind gusts included: 92 mph... 7 miles northwest of Berthoud; 75 mph...2 miles west of Castle Rock; and 65 mph...2 miles west of Elbert. West winds gusted to 49 mph at Denver International Airport. 3-4 In 2017...a storm system brought a period of locally heavy snow to portions of the Front Range Foothills. The heaviest snowfall occurred in and near the foothills of Clear Creek... southern Boulder...northern Jefferson and Gilpin Counties. Storm totals included: 16 inches at Eldorado Springs...15 inches at Echo Lake...14 inches at St. Mary`s Glacier and Winter Park Ski Area...13.5 inches at Genesee...13 inches near Tiny Town...12.5 inches near Allenspark and Idaho Springs and 11 inches near Conifer. Across the rest of the Front Range mountains and foothills...the western suburbs of Denver and Boulder...storm totals ranged from 4 to 8 inches. At Denver Interational Airport...only 0.1 inch of snowfall was observed. 3-5 In 1996...from the 3rd to the 5th...the foothills west of Denver received 6 to 8 inches of new snow. Only 0.8 inch of snow fell at the site of the former Stapleton International Airport...along with some freezing drizzle on the 4th and 5th. North-northeast winds gusted to 30 mph at Denver International Airport on the 3rd. 3-6 In 1898...from the 3rd to the 6th...snowfall totaled 8.7 inches in downtown Denver over the 4 days. Northeast winds were sustained to 48 mph with gusts as high as 60 mph on the 3rd. In 1983...from the 3rd to the 6th...a prolonged heavy snowstorm blanketed the area along with very cold temperatures. The greatest amounts of snow fell in the foothills where 24 to 42 inches were measured. A foot of snow fell in Boulder. Snow fell for 50 consecutive hours at Stapleton International Airport on the 3rd through the 5th with a total snowfall of 8.8 inches and a maximum accumulation on the ground of 6 inches on the 5th. In Denver...the mercury failed to rise above freezing for 3 consecutive days...on the 4th...5th...and 6th...for the first time ever in April. Five daily temperature records were set from the 4th through the 6th. Record low temperatures of 12 degrees occurred on the 5th with 7 degrees on the 6th. Record low maximum temperatures of 25 degrees occurred on the 4th...27 degrees on the 5th... and 28 degrees on the 6th. $$