Cheyenne County storm history

Blowing dust caused by high winds reduced visibility down to zero in some areas of Cheyenne county on the morning of 12/23/20. These conditions resulted in a 10 vehicle pileup accident west of Wild Horse, CO at mile marker 432 on Highway 40/287 at 8:55 AM MST. Seven people were i…

The mesonet site named CO068 040w460 U40-Firstview recorded the wind gust.

A WeatherUnderground site named COCHEYE2 reported a 63 mph wind gust 1 E Cheyenne Wells.

UP729 site recorded wind gusts over 58 MPH starting at 8:25 CDT and ending at 9:30 CDT with a peak gust of 63 MPH. Other sites throughout the county recorded gusts around 58 MPH during this time.

A 58 mph wind gust was recorded 2 E Arapahoe via mesonet site UP694. A 59 mph wind gust was recorded 2 SW Firstview via mesonet stie KCOCHEY8 on the Weather Underground network.

Non thunderstorm wind gusts of 58 mph and 60 mph 2 E Arapahoe via mesonet site UP694. The strongest wind gust was reported 2 SSW Firstview of 63 mph via mesonet site PWS-KCOHETE8.

Image of a wall of dust moving through.

Wind gusts up to 74 MPH were reported. The highest wind gust occurred at Kit Carson at 3:09 AM. A trace of snow was reported across the county. Key impacts: whiteout conditions, road closures.

Starting at 0950 LST, mesonets began reporting gusts at 62 MPH. 1330 LST was the last recorded gust above 58 MPH, however gusts above 50 MPH continued into the late afternoon. The peak gust was 85 MPH recorded at UP 694, east of Arapahoe. These strong winds kicked up dust, causin…

Multiple reports of visibility less than 1/4 mile in heavy blowing dust, sometimes dropping to around 200 feet. U.S. Highway 40 was shut down due to the dust storm. This blowing dust occurred in concert with the high winds.

The public reported a picture of their personal weather station showing a wind gust of 85.6 mph 12 N Firstview. A mesonet station named UP694 2.2 E Arapahoe also reported wind gusts ranging from 58 to 82 mph throughout the day as well. Another report of 75 mph winds came from the…

A mesonet site named UP695 near Aroya, Colorado recorded a 65 mph wind gust. An additional wind gust of 59 mph was also recorded 2 E Arapahoe at a mesonet site named UP694.

COOP observer in the town of Kit Carson reported visibilities in blowing dust down to around 250 yards in town. He did mention that the visibilities improved by the time of the report. No information is known about the start time of the dust but based on surrounding observations …

A public report in the town of Kit Carson reported 12 inches of snowfall for the duration of the event, along with four inches of precipitation in the rain gauge. Additional reported snowfall amounts ranged from 1 to 5 inches, with 5 inches of snowfall falling from the start of t…

A 58 mph wind gust was recorded 2 miles east of Arapahoe at site UP694 2.2 E Arapahoe (UPR). Another wind gust of 60 mph was recorded in Firstview at site CO068 040w460 U40-Firstview.

An isolated high wind gust of 59 mph was observed via a mesonet in Firstview, Colorado. Other observations fell into the 45-50 mph range across Cheyenne County.

Mesonet station UP695 Aroya (UPR) gusted above 58 MPH multiple times.

Over a duration of just over two hours, sporadic high wind gusts of 58 to 69 mph occurred across Cheyenne County. The 69 mph gust was recorded via a mesonet station near the town of Arapahoe. Key Impacts: Hazardous travel, high winds.

Multiple rounds of snow fell across the county as winds gusted up to 57 mph. Despite heavy, blowing snow causing brief blizzard conditions, no accumulating snow was reported due to warm ground temperatures. Key impacts: Reduction in visibility and slick roads causing hazardous tr…

Snow squall. A co-op observer reported visibility of 1/4 mile in heavy snowfall. Also, a Viaero camera in Cheyenne Wells showed visibility of 1/4 mile or less in snow due to a slowly moving snow squall. Nearby mesonets recorded wind gusts ranging from 20 to 40 mph during the time…

This event is based on observations taken in nearby counties. The ASOS at the airport in Burlington, CO report reported -25F wind chills starting at 1245 AM on the 13th. There were brief times during the day time hours that wind chills warmed above -25F, generally due to the ASOS…

A widespread area of snow moved over the eastern half of Cheyenne County producing nearly four hours of blizzard conditions. Conditions were mainly observed in the eastern half of the county with a mesonet station in Firstview reporting gusts up to 60 mph and visibility of one-qu…

High wind gusts of 58 mph or greater were observed in Kit Carson County. The highest wind gust recorded was 67 miles at the KITR ASOS located 4 miles south of Burlington, CO. These winds also lowered visibility down to one quarter of a statute mile near Burlington, CO. Damage cau…

Strong to high winds moved over the eastern half of Cheyenne County producing gusts up to 63 mph briefly. The 63 mph gusts was reported via a Union Pacific Railroad station. Key impacts: high winds and hazardous travel conditions.

Freezing drizzle and freezing fog was reported within Cheyenne county creating low visibilities down to 150 ft. and icy roads. Due to these hazardous driving conditions, an accident occurred between County Road K and County Road L at Mile Marker 132. No injuries were reported. Ke…

A non-thunderstorm wind gust of 65 mph was recorded one mile east of Cheyenne Wells, Colorado.

Snow squall. A band of heavy snowfall extending across portions of East-Central Colorado moved east-northeast across Cheyenne County over a span of two hours. The snow squall created visibility reductions as low as one-quarter mile to 100 yards, which mainly impacted travel along…

Wind chill values at -25 degrees Fahrenheit or below were recorded across Cheyenne county. The lowest wind chill value of -29 degrees Fahrenheit was recorded at a Mesonet station 4 miles southwest of Arapahoe, Colorado at 1:15 AM MST. Key Impacts: extreme cold, frostbite.

Snowfall amounts ranged from 6 in the western part of the county to 11.5 in the eastern part of the county. The highest snow report was near Cheyenne Wells. Key Impacts: snow packed roadways, limited visibility.

On the morning of the 19th, a social media report from the public relayed that 7 inches of snow had fallen since the start of the event. This was the highest snowfall report in the county from the event. Majority of the snow fell on the east half of the county while the west half…

Wind chills of -25F to -39F were reported across the county. Key impacts: wind chill, frostbite, extreme cold.

Quarter mile visibilities were reported briefly from blowing dust 10 NNE of Kit Carson as the arctic front moved through.

Measured gust 2 miles east of Arapahoe, Colorado.

Satellite and radar showed the southwestern portion of a wall of dust moving through the northeast quarter of Cheyenne county. Although no reports of 0.25 mile visibility due to dust were recorded in Cheyenne, surrounding counties had multiple such reports. It is believed that im…

Precipitation for the month ranged from 0.10-1.00. This was near normal, with the normal precipitation amount of 0.25-0.50.

The mesonet site near Firstview, CO measured a gust of 62 mph.

Reported near Firstview.

Precipitation for the month ranged from three to eight inches. This was one to eight inches above normal. The normal precipitation amount is two to four inches.

Precipitation for the month ranged from one to four inches, which was two inches below to an inch above normal. Normal precipitation for the month is two to three inches.

D2 Severe Drought continued for the county for the first few days of the month. Precipitation amounts for the month ranged from one to four inches. This was two inches below to an inch above normal. Normal precipitation amounts range from two to three inches.

Precipitation for the month ranged from two to four inches. This was up to two inches above normal. Normal precipitation amounts range from two to three inches.

A non-thunderstorm wind gust of 63 mph was reported at a Mesonet station located 2 miles southwest of Firstview, CO.

The high winds blew a semi over on Highway 40 outside of Aroya.

The high winds caused brown out conditions in the blowing dust at Aroya. This, along with an overturned semi, led to Highway 40 being closed at the intersection of Highway 94 outside of Aroya.

Wind gusts up to 59 MPH were reported across the county. The highest gust reported was near Firstview.

A picture of blowing dust lowering the visibility to a quarter mile or less in Arapahoe.

Wind gusts up to 70 MPH occurred across the county. The highest wind gusts were measured in Kit Carson. Blowing dust dropped the visibility down to two or three miles in Kit Carson.

Near zero visibility was reported six miles north of Wild Horse.

Up to 1.50 of precipitation occurred for the month. This was half an inch above to two inches below the normal precipitation amounts of 1-1.50.

A heavy snowband produced impactful snow across portions of Cheyenne County. The highest measured report received was 6 inches at a location six miles north of Wild Horse. However, based on radar imagery and the slow movement of the heavy snowband, it is likely that higher amount…