From 100-degree heat to snow. Colorado weather whiplash, one year later – Denver, Colorado

Denver, Colorado 2021-09-07 15:28:47 –

If you’ve lived along Denver or the Front Range for a long time, you know how desolate Colorado’s weather can be and how fast it changes.

Between September 5th and 8th, a year ago, Colorado’s front range showed the latest measurements of 100 degrees heat, followed by the latest measurements. The earliest snowfall in almost 20 years..

Satellite image showing the large-scale Cameron peak fire on September 7, 2020

On September 5, 2020, Denver set a new September record, reaching 101 degrees in the afternoon. This is also the latest date when 100 degree readings were observed in Denver.

Then, when Denver reached 97 degrees, another daily record was set on September 6. September 7 was the last heat in the Eastern Plains of Colorado when Denver’s high temperatures reached 93. This was a record of 90 degrees a year (73) and was also the warmest temperature ever recorded. Before a measurable snowfall day. It was also the date when ash was falling from the Fort Collins sky due to a large Cameron Peak wildfire.

Other cities along the front range also felt this extreme September heat. Boulder, Fort Collins and Colorado Springs also felt record heat to the snow. One of the main factors limiting some front-range cities from hitting the mark of the century was the thick smoke that blocked some of the heat of the sun.

Water vapor satellite loop from GOES-16. Image from CIRA-CSURAMMB-Slider September 7-10, 2020

On Monday, September 7, 2020, a series of cold fronts moved across the Denver region. This caused temperatures to drop from the 90s during the day to the 1940s at night. The next afternoon, the highest temperatures reached their 40s in most areas along the front range, with a mixture of rain and snow by that night. Snow fell across most of the highlands on September 8, with snow piled up along the Interstate 25 corridor from Tuesday night to Wednesday morning.

This cold front was one of the strongest cold fronts that hit the area in September. Numerous records were set during this event.

  • Concluded the earliest freeze on record (previously set on September 8, 1962)
  • Record low on September 8 (31 ° F, final set 1962)
  • Record low on September 9 (31 ° F, final set 1962)
  • Record the lowest and highest temperatures (43 ° F) on September 9. The previous record was 53 ° F, set in 1989.
  • Set a record low on September 10th (35 ° F, final set 1898)
  • The largest two-calendar temperature drop in September (62 ° F drop). The previous record was 59 ° F, set in 1993.
  • The highest temperature recorded the day before the measurable snowfall (93 ° F on September 7). The previous maximum temperature on September 12, 1993 was 92 ° F.
  • The shortest number of days from 100 degrees day to measurable snowfall (3). The previous record was 38 days in 2019.
  • Days between record highs and record lows in Denver (2) (September 6-8). Concludes past records from August 15th to 17th, 1960.

It was a stormy weather forecast and a memorable weather event for years to come. The snowfall was very noticeable and the city was buried in a few inches of snow. The worst wildfire in Colorado’s history had taken place leading up to this event. Residents along the front range were taking pictures of the ashes covering the car, and the driver was using headlights during the day due to the darkness of the smoke. Also, the prediction of a very severe drought, cold weather and snowfall seemed to be appropriate only for the wild year of 2020.

Total amount of snowfall observed on September 10, 2020

Due to this storm, numerous snow records have been set in Colorado.

  • It was the second earliest snowfall in the Denver (September 8th) record. The earliest snowfall on record is September 3, 1961.
  • Daily snowfall record set on September 8 (1.0 inch dropped). The previous record was 0.7 inches in 1962.
  • Daily snowfall record on September 9th (trace). The previous record was a trace of 1962.
  • In Denver, it didn’t snow in September and we won the championship for 19 consecutive years.
Rocky Mountain National Park, September 10, 2020 – RMNP

Total snowfall is 1-3 inches in most of the eastern plains, 3-6 inches in mountainous cities (including western Boulder and Fort Collins), and 4-10 inches in front-range mountains and hills. bottom. .. Denver officially measured a total of 1.0 inches, while a total of 5.6 inches of snow was measured at the NWS Boulder office. More than half a foot of snow had accumulated in the Arkansas River Valley, the Sangre de Cristo Mountains, and parts of the Pikes Peak region.

From 100-degree heat to snow. Colorado weather whiplash, one year later Source link From 100-degree heat to snow. Colorado weather whiplash, one year later

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