####018009228#### NOUS45 KBOU 220859 PNSBOU COZ030>051-222300- Public Information Statement National Weather Service Denver/Boulder CO 259 AM MDT MON APR 22 2024 ...Today in metro Denver weather history... 19-22 In 1933...a major storm dumped 16.8 inches of snowfall over downtown Denver when rain changed to snow during the early morning of the 20th and continued through midday of the 22nd. Most of the snow fell on the 21st. Due to melting... the most snow on the ground was 10.5 inches at 6:00 PM on the 21st. Before the snow started...a strong cold front on the evening of the 19th produced north winds sustained to 35 mph with gusts to 37 mph. The strong winds deposited a thin layer of dust on the city. North to northwest winds were sustained to 31 mph with gusts to 35 mph on the 20th and to 29 mph with gusts to 32 mph on the 21st. 20-22 In 1957...strong and gusty south to southeast winds raked metro Denver each day. The strongest wind gust of 55 mph occurred on the 21st when blowing dust briefly reduced the visibility to 3/4 mile at Stapleton Airport. 20-23 In 1989...unusually warm weather resulted in several daily temperature records being broken in Denver. The high temperature of 89 degrees on the 21st exceeded the record maximum for the month at that time. Daily record high temperatures were either exceeded or equaled with 83 degrees on the 20th...88 degrees on the 22nd...and 85 degrees on the 23rd. The low temperature of 55 degrees on the 22nd equaled the record high minimum for the date. 21-22 In 1910...north winds were sustained to 45 mph behind a cold front. Rainfall totaled 0.63 inch. In 1923...snowfall of 2.0 inches in the city was the only snow of the month and the last measurable snow of the season. Northwest winds were sustained to 25 mph on the 21st. In 1952...heavy snowfall totaled 7.6 inches at Stapleton Airport. The storm was accompanied by north winds gusting to 33 mph. In 2001...the second major snow storm in 11 days moved into metro Denver with blizzard conditions developing again across the plains to the northeast of Denver. Snowfall amounts ranged up to 9 inches in metro Denver with up to 23 inches in the foothills. Northwest winds were sustained at 20 to 30 mph with gusts as high as 36 mph at Denver International Airport which was again shut down for nearly an hour by power outages on the 22nd. The outages affected lighting in the concourses...train operations...de-icing and refueling operations...flight information displays...and security screenings. Navigational aids were also affected... resulting in the cancellation of 58 arriving and departing flights which stranded about 5000 passengers. Across metro Denver storm totals included: 9 inches at Eldorado Springs... 7 inches in Boulder...6 inches at Ken Caryl...Northglenn and near Sedalia; 5 inches in Arvada and Morrison. Only 1.7 inches of snow were measured at the site of the former Stapleton International Airport. In the foothills snow totals included: 23 inches near Fritz Peak south of Rollinsville...17 inches near Jamestown...16 inches near Blackhawk...14 inches in Coal Creek Canyon...13 inches at Idaho Springs and near Nederland...11 inches at Aspen Springs...and 10 inches near Bergen Park. 21-23 In 1999...a spring snowstorm dumped heavy snowfall over metro Denver and in the foothills. Nearly 3 feet of snow fell in the foothills with over a foot in the city. The heavy wet snow downed power lines in Douglas and Elbert counties. Scattered outages were reported at Parker...Franktown... Sedalia...and Castle Rock. Some residents were without electricity for as long as 20 hours. The inclement weather was blamed...at least in part...for several traffic accidents along the I-25 corridor between Denver and Castle Rock. Snowfall totals included: 32 inches at Idaho Springs...31 inches on Crow Hill...29 inches near Evergreen...26 inches at Chief Hosa and Coal Creek Canyon...25 inches at Bailey...24 inches at Floyd Hill...23 inches at Conifer...Genesee...Golden Gate Canyon...North Turkey Creek...and Pine Junction; 13 inches at Broomfield and near Sedalia...12 inches in Boulder...11 inches at Louisville and Parker...and 9 inches at the site of the former Stapleton International Airport. In 2004...heavy snow fell across metro Denver...when low level upslope conditions developed against the foothills and Palmer Divide. Snowfall totals included: 18 inches in the foothills southwest of Boulder...17 inches at Intercanyon and near Conifer...10 inches near Blackhawk and Parker...9 inches at Castle Rock and near Sedalia...7 inches in Centennial... Littleton...and near Lone Tree. Elsewhere across metro Denver...snowfall generally ranged from 2 to 5 inches. Snowfall was 4.7 inches at Denver Stapleton. Northwest winds gusted to 35 mph at Denver International Airport on the 21st. 22 In 1896...southwest winds were sustained to 39 mph with gusts as high 56 mph. The apparent chinook winds warmed the temperature to a high of 78 degrees. In 1904...west winds sustained to 40 mph with gusts to 48 mph warmed the temperature to a high of 69 degrees. In 1925...southeast winds sustained to 42 mph with gusts to 46 mph warmed the temperature to a high of 76 degrees. In 1958...west-northwest winds gusted to 48 mph at Stapleton Airport. 22-23 In 1885...the worst snow storm since station records began in 1872 dumped a total of 24.0 inches of snowfall on the city. The 23.0 inches of snow recorded on the 22nd and 23rd was the greatest 24-hour snowfall ever recorded during the month of April. Streets were impassable...roofs caved in... telegraph and telephone wires were downed...railroads were blocked and trains delayed...and most business came to a complete standstill. Estimated losses were reported to 50 thousand dollars. The total snowfall was partly estimated due to melting. Precipitation from the storm totaled 2.79 inches. In 1915...post-frontal rain during the day and overnight totaled 2.00 inches. Most of the rain fell on the 22nd. In 1945...6.7 inches of snow fell over downtown Denver. This was the third major snow in a little over 3 weeks...which made this month the 4th snowiest on record. Northeast winds were sustained to 25 mph and light hail fell on the 22nd. In 2013...a spring storm brought heavy snow to the mountains... with period of moderate to heavy snow to portions of the Front Range Foothills and Urban Corridor. In the mountains and foothills...storm totals included: 18 inches at Niwot Ridge SNOTEL...16.5 inches near Ward...13 inches at Arapahoe Basin and Roach SNOTEL...12 inches near Blackhawk...11.5 inches near Nederland...11 inches near Allenspark and Loveland Ski Area...10 inches near Idaho Springs and Pinecliffe...with 9.5 inches near Silverthorne. Along the Urban Corridor storm totals included: 7.5 inches near Morrison...7 inches at the National Weather Service Office in Boulder and in Niwot...6.5 inches near Arapahoe Park and Superior...with 6 inches at Lafayette and Lakewood. At Denver International Airport...4.7 inches of new snowfall was observed. 22-24 In 2010...a potent spring storm brought heavy...wet snow to areas in and near the Front Range Foothills and widespread rainfall across the adjacent plains. In the Front Range Foothills and North-Central Mountains east of the Continental Divide...storm totals ranged from 15 to 30 inches. Storm totals included: 29.5 inches...3 miles southeast of Pinecliffe; 27 inches...8 miles northeast of Four Corners; 23 inches at Willow Creek...22.5 inches... 13 miles northwest of Golden; 21 inches at Never Summer... 17 inches at Eldorado Springs...with 16.5 inches...3 miles west of Jamestown. Denver International Airport reported a trace of snowfall...but measured 2.01 inches of rainfall for the duration of the storm. In addition...a peak wind gust to 54 mph from the northwest was observed at the airport on the 23rd $$