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April 22 to April 28 – This Week in Denver Weather History
Certainly April can bring pleasant weather but it also can bring thunderstorms and even heavy, damaging snow as we see in our look back at this week in Denver weather history.
From the National Weather Service:
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; and 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.
Continue reading April 22 to April 28 – This Week in Denver Weather History
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As the nation’s midsection digs out from an extraordinary day of severe weather and tornadoes, Colorado’s Severe Weather Awareness Week kicks off. To raise awareness of the dangerous weather Thornton residents face each year, ThorntonWeather.com is going to give away a NOAA All Hazards Weather Radio *.
We have long said that every resident should own a weather radio. These devices tap directly into the National Weather Service and sound an alarm when severe weather is approaching. Life saving information and instructions are then broadcast giving you the precious moments that you may have to take action before disaster strikes.
To help raise awareness of severe weather and these devices, we are giving away a Midland WR-120B weather radio. The radio has all of the essential features including SAME alert programming, a siren and voice alert, battery backup and it is trilingual.
It is our goal that even if you don’t win the radio, you will take action and purchase a weather radio on your own. To learn more about these important devices and why you should own one, click here.
So how do you win? It is easy!
All you have to do is share our Facebook page or Google+ page with all of your friends telling them how great a resource ThorntonWeather.com is and ask them to ‘like’ us or add us to their ‘circles.’
Simply follow the links below and click ‘Share’ if on Facebook or ‘Share this post’ on Google+. Be sure to do this from the postings linked below so that we can see that you shared it and in doing so you are automatically entered.
We will then randomly pick a winner on Monday, April 23 after Severe Weather Awareness Week is over.
Click here for the Facebook posting to share
Click here for the Google+ posting to share
* Contest is open to residents of the Denver / Boulder metropolitan area (verified by shipping address). Weather radio will be shipped directly to the winning contestant from Amazon.com. Allow up to 2 weeks for delivery after the contest ends.