At lot of folks in Denver plan outdoor activities on Mother's Day.
And over the years, a lot of folks in Denver have had to change their plans, when they were reminded that spring weather in the Mile High City can turn nasty.
We shouldn't be surprised. The NWS' historical data for May 10 in Denver is filled with tales of cold, wind, hail and more. Sorry, mom.
Here are twelve photo-illustrated examples of what's happened on past May 10ths, featuring National Weather Service text.
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.
1889: 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.
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.
1918: Post-frontal snowfall totaled 4.7 inches in downtown Denver. Northwest winds gusted to 19 mph on the 10th.
1956: Northwest winds gusted to 53 mph at Stapleton Airport where the visibility was briefly reduced to 1/2 mile in blowing dust.
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.
1979: 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.
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.
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.
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.
2005: Severe thunderstorms produced hail as large as 2 inches in diameter in and near Longmont.
2011: 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.
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