Alert archive / Nebraska / Snow Squall Warnings in 2021
Snow Squall Warning 5, NWS Cheyenne, WY
NWS Cheyenne, WY issued this snow squall warning at Jan 14, 2021, 1:28 PM MST for Cheyenne County, Kimball County, Nebraska. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 14, 2021, 1:28 PM MST (20:28 UTC)
- Expired
- Jan 14, 2021, 2:00 PM MST
- In force
- 32 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
Counties Cheyenne County, NE, Kimball County, NE
The radar
The Cheyenne radar (KCYS), 107 km from the middle of the area, began a volume at 20:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 2072 m above ground
- 0-6 km bulk shear
- 124 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
157
WWUS55 KCYS 142028
SQWCYS
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Cheyenne WY
128 PM MST Thu Jan 14 2021
NEC033-105-142100-
/O.NEW.KCYS.SQ.W.0005.210114T2028Z-210114T2100Z/
Cheyenne NE-Kimball NE-
128 PM MST Thu Jan 14 2021
The National Weather Service in Cheyenne has issued a
* Snow Squall Warning for...
West central Cheyenne County in the Panhandle of Nebraska...
East central Kimball County in the Panhandle of Nebraska...
* Until 200 PM MST.
* At 128 PM MST, a dangerous snow squall was located near Dix, or 10
miles southeast of Kimball, moving southeast at 45 mph.
HAZARD...Extremely poor visibility in snow and blowing snow. Wind
gusts up to 30 mph.
SOURCE...Radar indicated.
IMPACT...Expect hazardous road conditions.
*
This includes Interstate 80 in Nebraska between mile markers 16 and
43.
Locations impacted include...
Kimball, Potter, Dix and Kimball Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4126 10376 4128 10341 4126 10327 4116 10321
4117 10377
TIME...MOT...LOC 2028Z 337DEG 40KT 4117 10348
$$
Mokry2 follow-up statements
839
WWUS55 KCYS 142047
SQWCYS
Snow Squall Warning
National Weather Service Cheyenne WY
147 PM MST Thu Jan 14 2021
NEC033-142057-
/O.CAN.KCYS.SQ.W.0005.000000T0000Z-210114T2100Z/
Cheyenne NE-
147 PM MST Thu Jan 14 2021
...THE SNOW SQUALL WARNING FOR WEST CENTRAL CHEYENNE COUNTY IS
CANCELLED...
The snow squall which prompted the warning has moved out of the
warned area. Therefore, the snow squall warning has been cancelled.
LAT...LON 4126 10376 4128 10341 4127 10339 4118 10341
4117 10377
TIME...MOT...LOC 2047Z 337DEG 40KT 4097 10337
$$
NEC105-142100-
/O.CON.KCYS.SQ.W.0005.000000T0000Z-210114T2100Z/
Kimball NE-
147 PM MST Thu Jan 14 2021
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 200 PM MST FOR EAST
CENTRAL KIMBALL COUNTY...
At 147 PM MST, a dangerous snow squall was located 10 miles northeast
of Westplains, or 23 miles southeast of Kimball, moving southeast at
45 mph.
HAZARD...Extremely poor visibility snow and blowing snow. Wind gusts
up to 30 mph.
SOURCE...Radar indicated.
IMPACT...Expect hazardous road conditions.
This includes Interstate 80 in Nebraska between mile markers 16 and
34.
Locations impacted include...
Kimball, Dix and Kimball Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4126 10376 4128 10341 4127 10339 4118 10341
4117 10377
TIME...MOT...LOC 2047Z 337DEG 40KT 4097 10337
$$
Mokry378
WWUS55 KCYS 142057
SQWCYS
Snow Squall Warning
National Weather Service Cheyenne WY
156 PM MST Thu Jan 14 2021
NEC105-142106-
/O.EXP.KCYS.SQ.W.0005.000000T0000Z-210114T2100Z/
Kimball NE-
156 PM MST Thu Jan 14 2021
...THE SNOW SQUALL WARNING FOR EAST CENTRAL KIMBALL COUNTY WILL
EXPIRE AT 200 PM MST...
The snow squall which prompted the warning has weakened and exited
the area. Therefore, the snow squall warning will be allowed to
expire. Areas of blowing snow and snow-covered roads will continue to
make travel difficult.
LAT...LON 4126 10376 4128 10341 4127 10339 4118 10341
4117 10377
TIME...MOT...LOC 2056Z 337DEG 40KT 4092 10334
$$
MokryThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 14, 1:03 PM MST | Snow Squall Warning | CYS | Cheyenne, Kimball | 27 min |
Nearby
Snow Squall Warnings in Nebraska, 2021Every snow squall warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.