####018007768#### NOUS45 KBOU 120859 PNSBOU COZ030>051-122300- Public Information Statement National Weather Service Denver/Boulder CO 259 AM MDT SUN MAY 12 2024 ...Today in metro Denver weather history... 10-12 In 2011...from the 10th to the 12th...a spring snowstorm brought heavy snow to the Front Range Foothills and Palmer Divide. Storm totals included: 18 inches...4 miles south-southeast of Pinecliffe; 16 inches in Coal Creek Canyon; 15 inches...4 miles west-southwest of Eldorado Springs; 13 inches at Gold Hill...12 inches...4 miles west-southwest of Conifer and 4 miles northwest of Elizabeth; 11.5 inches...6 miles southwest of Evergreen and 4 miles east-northeast of Nederland; 11 inches...3 miles east of Jamestown and 10.5 inches...3 miles east of Franktown and 3 miles south of Golden and 10 inches...10 miles north of Elizabeth. At Denver International Airport... 1 inch of snowfall was observed. In 2023...a slow moving storm system produced a period of moderate to heavy rainfall across the urban corridor...Palmer Divide and adjacent plains. A 24-hr daily record of 2.92 inches occurred at Denver International Airport on the 11th...with a 2-day total of 3.75 inches on the 11-12th...and 3-day total of 4.40 inches from the 10-12th. The prolonged period of rainfall resulted in flooding...flash flooding and washed out roadways... including Cherry Creek State Park and the National Wildlife Refuge at the Rocky Mountain Arsenal. Three-day rainfall amounts south and southeast of Denver ranged from 4.00 to 7.00 inches. In the Front Range west of Denver...above 10 thousand feet...heavy wet snowfall ranged from 1 to 2 feet. The 3-day event propelled Denver into 4th place for rainfall in month of May...with a total of 5.53 inches. 11-12 In 2014...from the 11th to the 12th...a strong storm system moved from southwest Colorado and produced heavy snow in and near the Front Range Foothills and metro Denver. The snow was heaviest in the foothills where up to 2 1/2 feet of snow was observed. In the foothills...storm totals included: 30 inches near Pinecliffe; 29 inches... 8 miles northeast of Four Corners; 28 inches near Pingree Park; 27 inches near Allenspark; 20.5 inches near Idaho Springs; 19.5 inches at Gold Hill; 19 inches near Genesee; 18 inches near Blackhawk; 17 inches at Aspen Springs; 16.5 inches near Ward; 13.5 inches at Bergen Park; with 11 inches at Evergreen. Along Urban Corridor and Palmer Divide...storm totals included: 10.5 inches at Eldorado Springs; 10 inches at Ken Caryl; 9 inches at Superior; 8 inches near Morrison; 7.5 inches in Broomfield and Highlands Ranch; 7 inches in Denver... near Franktown...Golden...Lakewood and Highlands Ranch; 6 inches...5 miles northeast of Westminster...7 miles south of Lyons and near Parker; with 5.5 inches at Aurora. At Denver International Airport...1.1 inches of snowfall was observed... along with 0.9 inches of water. In 2023...a slow moving storm system produced a period of moderate to heavy rainfall across the urban corridor...Palmer Divide and adjacent plains. A 24-hr daily record of 2.92 inches occurred at Denver International Airport on the 11th...with a 2-day total of 3.75 inches on the 11-12th. The prolonged period of rainfall resulted in flooding...flash flooding and washed out roadways; including Cherry Creek State Park and the National Wildlife Refuge at the Rocky Mountain Arsenal. 12 In 1875...two forest fires on the eastern slope of the foothills were visible from the city. In 1904...north winds were sustained to 40 mph with gusts to 48 mph. In 1950...brilliant and complete primary and secondary rainbows arching across the sky were observed from Stapleton Airport. In 1951...a wind gust to 51 mph was recorded at Stapleton Airport. In 1984...winds gusted to 69 mph in Boulder. Northwest winds gusted to 47 mph at Stapleton International Airport. In 1987...a small weak tornado touched down for about 2 minutes in southeast Denver. The twister hit a car dealership...blowing about a dozen windows out of cars and shattering four skylights on the building. Some tin roofing was blown off a patio a block and a half away. The tornado also downed a power pole. Damage at the dealership was estimated at 10 thousand dollars. A man was slightly injured by lightning in northwest Aurora. In 1995...several funnel clouds were sighted near Parker. One of the funnels produced a short-lived debris cloud on the ground in an open field. No damage was reported. In 2015...a man suffered minor injuries when the tree he took shelter under was struck by lightning. He was jogging at City Park Golf Course when the incident occurred. The jogger was taken to the hospital for observation. 12-13 In 1907...from the 12th to the 13th...the temperature warmed to a high of 73 degrees on the 12th...before a cold front produced a thunderstorm...northeast winds sustained to 40 mph...and rain changing to light snow overnight. Snowfall totaled only 2 inches...but the high temperature on the 13th was only 39 degrees. In 1961...from the 12th to the 13th...a storm that covered metro Denver with rain and snow started as thunderstorms on the evening of the 12th. Hail to 1 1/2 inches in diameter was reported 10 miles northwest of Stapleton Airport. Rain continued overnight and changed to snow on the 13th. Snowfall totaled 6.4 inches and precipitation (rain and melted snow) 1.96 inches at Stapleton Airport where north winds gusted to 39 mph. The rain and heavy wet snow caused icing damage to utility lines. Heavy snow occurred in the foothills. In 1982...from the 12th to the 13th...a major storm dumped 1.50 to 3.50 inches of rain across northeast Colorado and deposited prodigious amounts of snow in the foothills. Coal Creek Canyon southwest of Boulder was buried under 46 inches of snow with 39 inches at Nederland. The heavy wet snow downed many powerlines in the foothills. In Thornton...the roof of a school was damaged by water from the heavy rain. At Stapleton International Airport...1.49 inches of rain were measured over the 2-day period. The heavy rain ended a severe and prolonged drought. In 2004...from the 12th to the 13th...a winter storm produced heavy snow in excess of a foot in the foothills above 6 thousand feet while heavy rain fell across the city. The heaviest snow occurred in the high country of Boulder County. Storm total snowfall was 14.5 inches near Jamestown. Rainfall totaled 0.81 inch at Denver International Airport with 0.94 inch recorded at Denver Stapleton. A trace of snow was recorded at both locations. East winds gusted to 24 mph at Denver International Airport on the 12th. $$