NOUS45 KBOU 100859 PNSBOU COZ030>051-102300- Public Information Statement National Weather Service Denver/Boulder CO 259 AM MDT FRI MAY 10 2024 ...Today in metro Denver weather history... 8-10 In 1979...from the 8th to the 10th...4.3 inches of snow fell at Stapleton International Airport where northwest winds gusted to 30 mph on the 8th. Most of the snowfall... 2.3 inches...occurred on the 9th. High temperature of only 35 degrees on the 9th equaled the record low maximum for the date. 9-10 In 1889...from the 9th to the 10th...heavy rainfall totaled 2.15 inches in downtown Denver. The cold rain was mixed with snow at times overnight. Temperatures on the 10th ranged from a high of 38 degrees to a low of 32 degrees with north winds sustained to 22 mph. In 2003...a late spring snowstorm hammered the mountains... eastern foothills...and urban corridor. The heaviest snowfall occurred north of Interstate 70. The heavy wet snow caused damage to trees throughout metro Denver and downed power lines. About 40 thousand people along the urban corridor were without power. Storm total snowfall amounts included: 11.5 inches in Louisville... 8 inches in Boulder and Broomfield; 7 inches in Thornton...Broomfield...at Denver International Airport... and at the site of the former Stapleton International Airport; and 6 inches 4 miles east of Denver. Snowfall ranged from 4 to 9 inches across extreme southern Weld County. In the foothills...15 inches of snow fell near Jamestown...9 inches at Rollinsville and Rawah...with 8 inches at Chief Hosa and atop Lookout Mountain. The snow was accompanied by thunder on the afternoon of the 9th at Denver International Airport where west winds gusted to 25 mph on the 9th and north winds gusted to 22 mph on the 10th. In 2015...from the 9th to the 10th...a strong storm system brought heavy snow to areas in and around Denver. Moderate to heavy rain showers transitioned over to snow by early in the evening on the 9th. Heavy wet snow overnight caused many trees to break under the pressure of the sudden weight. Tree damage ranged from minor to significant...with old growth trees losing large limbs and new trees sustaining fatal damage. Power outages affected about 43350 Xcel Energy customers in metro Denver. The Intermountain Rural Electric Association also reported about 1000 power outages in the Strasburg areas. In the high country...CDOT shut down Interstate 70 between the Eisenhower Tunnel and Silverthorne due to multiple crashes. 10 In 1875...a windstorm sand-blasted the city from 10:00 AM until midnight. Northwest winds sustained to 60 mph brought clouds of sand...which caused high damage to unfinished buildings. In 1912...a vigorous cold front produced strong north winds and rain. North winds were sustained to 48 mph with gusts as high as 60 mph. Rainfall totaled 1.10 inch. In 1935...no precipitation occurred...making this one of only two days without precipitation during the entire month. The other day was the 21st. Precipitation totaled 4.95 inches for the month. In 1956...northwest winds gusted to 53 mph at Stapleton Airport where the visibility was briefly reduced to 1/2 mile in blowing dust. In 1974...strong winds caused 30 thousand dollars in damage to a building under construction in Lakewood. Microburst winds gusted to 46 mph at Stapleton International Airport. In 1988...lightning struck a house in Boulder...setting it afire. The house...valued at 170 thousand dollars...was a total loss. In 1989...golf ball size hail fell over southeast Denver near the junction of I-25 and I-225. Hail to 3/4 inch in diameter fell over southeast Aurora. Only 3/8 inch hail fell at Stapleton International Airport. In 1991...high winds up to 63 mph raked the eastern foothills. Winds estimated to 50 mph tore a roof from a home in Lafayette. A tower at Jefferson County Stadium in west metro Denver was blown over by the high winds. No injuries were reported. Southeast winds gusting to 48 mph at Stapleton International Airport produced some blowing dust. The temperature climbed to a high of 86 degrees... equaling the record maximum for the date. In 2005...severe thunderstorms produced hail as large as 2 inches in diameter in and near Longmont. In 2023...severe thunderstorms produced large hail across to the eastern and southern portions of the Denver metropolitan area. The hail ranged in size from 1 to 1 3/4 inches in diameter. One storm developed over south Denver... while the rest formed along a line the stretched from Buckley AFB to between Lone Tree and Parker. 10-11 In 1918...from the 10th to the 11th...post-frontal snowfall totaled 4.7 inches in downtown Denver. Northwest winds gusted to 19 mph on the 10th. In 1923...from the 10th to the 11th...winds were strong and gusty on both days. Northwest winds were sustained to 40 mph with gusts to 44 mph on the 10th. North winds were sustained to 39 mph with gusts to 46 mph behind an apparent cold front on the 11th. 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. $$