Alert archive / Texas / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS Amarillo, TX

February 16, 20218 counties in Texas

NWS Amarillo, TX issued this winter storm warning at Feb 16, 2021, 7:49 PM CST for 8 counties in Texas. It was in force for 7 hr. 24 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 16, 2021, 7:49 PM CST (01:49 UTC)
Expired
Feb 17, 2021, 3:16 AM CST
In force
7 hr
Issued by
NWS Amarillo, TX

Counties Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Potter County, TX, Randall County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 57 km from the middle of the area, began a volume at 01:47 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.

What was reported inside it

TimeReportWhereRemark
Feb 16, 7:55 PM CSTSNOW 4.57 Nnw Amarillo, TX.
Feb 16, 7:55 PM CSTSNOW 4.57 Nnw Amarillo, TX
Feb 16, 8:02 PM CSTSNOW 5.54 Ssw Amarillo, TX.
Feb 16, 8:02 PM CSTSNOW 5.54 Ssw Amarillo, TX
Feb 16, 8:10 PM CSTSNOW 34.9 Nw Canyon, TX.
Feb 16, 8:10 PM CSTSNOW 34.9 Nw Canyon, TX
Feb 16, 9:00 PM CSTSNOW 5Pampa, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 9:14 PM CSTSNOW 54 N Canyon, TXREPORT VIA SOCIAL MEDIA. MODERATE SNOW ONGOING AT TIME OF REPORT.
Feb 16, 9:17 PM CSTSNOW 4.55 Sw Amarillo, TXREPORT RECEIVED VIA SOCIAL MEDIA.
Feb 16, 9:21 PM CSTHEAVY SNOW 7.55 W Amarillo, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 9:25 PM CSTHEAVY SNOW 65 Ssw Amarillo, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 9:28 PM CSTHEAVY SNOW 63 Wnw Amarillo, TXMEASURED 8 INCHES OF TOTAL SNOW DEPTH BUT REPORTED DEPTH BEFORE NEW SNOW WAS 2 INCHES, LEAVING 6 INCHES AS THE RESULTANT SNOW FOR THE EVENT ON TUESDAY. REPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 9:30 PM CSTSNOW 51 Wsw Canyon, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 9:30 PM CSTHEAVY SNOW 95 N Claude, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO. REPORTER LOCATED BETWEEN PANHANDLE AND CLAUDE IN ARMSTRONG COUNTY.
Feb 16, 9:33 PM CSTHEAVY SNOW 6.35 Ssw Amarillo, TXSNOW ENDED AT TIME OF MEASUREMENT.
Feb 16, 9:37 PM CSTHEAVY SNOW 7.3Bushland, TXREPORT RECEIVED WITH PHOTO. SNOW HAD ENDED BY TIME OF REPORT.
Feb 16, 9:50 PM CSTHEAVY SNOW 7.53 Wsw Amarillo, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 10:00 PM CSTHEAVY SNOW 68 Nw Timbercreek Canyon, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 10:03 PM CSTSNOW 6.84 Sw Amarillo, TX.
Feb 16, 10:03 PM CSTSNOW 6.84 Sw Amarillo, TX
Feb 16, 10:14 PM CSTHEAVY SNOW 78 Ese Bushland, TXREPORT RECEIVED VIA SOCIAL MEDIA WITH PHOTO.
Feb 16, 10:17 PM CSTHEAVY SNOW 7.5Conway, TXTRAINED SPOTTER MEASURED BETWEEN 7 AND 8 INCHES ALONG INTERSTATE 40 BETWEEN CONWAY AND AMARILLO.
Feb 16, 10:24 PM CSTHEAVY SNOW 6.5Canyon, TXREPORT RECEIVED VIA SOCIAL MEDIA.
Feb 17, 12:23 AM CSTHEAVY SNOW 7.47 Ene Amarillo, TXSTORM TOTAL SNOWFALL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.8 hours before the alert went out and 56 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.

Skew-T log-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2021-02-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2021-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
5 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
424 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

418 
WWUS44 KAMA 170149
WSWAMA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Amarillo TX
749 PM CST Tue Feb 16 2021

TXZ012>015-017>020-317-171000-
/O.UPG.KAMA.WW.Y.0005.000000T0000Z-210217T0900Z/
/O.NEW.KAMA.WS.W.0002.210217T0149Z-210217T1200Z/
Potter-Carson-Gray-Wheeler-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
Including the cities of Amarillo, Panhandle, White Deer, Pampa, 
Shamrock, Wheeler, Canyon, Claude, Clarendon, Wellington, 
and Palo Duro Canyon
749 PM CST Tue Feb 16 2021

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM CST WEDNESDAY...

* WHAT...Heavy snow. Total snow accumulations of 4 to 8 inches.

* WHERE...The south central and southeastern Texas Panhandle.

* WHEN...Until 6 AM CST Wednesday.

* IMPACTS...Plan on slippery road conditions. The cold wind chills
  as low as 10 below zero could result in hypothermia if
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

OKZ003-TXZ003>005-007>011-016-171000-
/O.EXT.KAMA.WW.Y.0005.000000T0000Z-210217T1200Z/
Beaver-Hansford-Ochiltree-Lipscomb-Moore-Hutchinson-Roberts-
Hemphill-Oldham-Deaf Smith-
Including the cities of Beaver, Forgan, Spearman, Gruver, 
Perryton, Booker, Higgins, Follett, Dumas, Borger, Miami, 
Canadian, Vega, and Hereford
749 PM CST Tue Feb 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

* WHAT...Snow. Total snow accumulations of 1 to 3 inches.

* WHERE...The eastern Oklahoma Panhandle and the northeastern and
  southwestern portions of the Texas Panhandle.

* WHEN...Until 6 AM CST Wednesday.

* IMPACTS...Plan on slippery road conditions. The cold wind 
  chills as low as 10 below zero could result in hypothermia if 
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Ferguson
3 follow-up statements
116 
WWUS44 KAMA 170607
WSWAMA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Amarillo TX
1207 AM CST Wed Feb 17 2021


OKZ003-TXZ003>005-007-011-170715-
/O.CAN.KAMA.WW.Y.0005.000000T0000Z-210217T1200Z/
Beaver-Hansford-Ochiltree-Lipscomb-Moore-Oldham-
Including the cities of Beaver, Forgan, Spearman, Gruver, 
Perryton, Booker, Higgins, Follett, Dumas, and Vega
1207 AM CST Wed Feb 17 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snowfall has ended for these areas so the adviosry will be
canceled. 

$$

TXZ012>015-017>020-317-171200-
/O.CON.KAMA.WS.W.0002.000000T0000Z-210217T1200Z/
Potter-Carson-Gray-Wheeler-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
Including the cities of Amarillo, Panhandle, White Deer, Pampa, 
Shamrock, Wheeler, Canyon, Claude, Clarendon, Wellington, 
and Palo Duro Canyon
1207 AM CST Wed Feb 17 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...

* WHAT...Heavy snow. Total snow accumulations of 4 to 8 inches.
  For the next couple hours, an additional 1 to 2 inches possible
  on top of snowfall that has already fallen.
 
* WHERE...The south central and southeastern Texas Panhandle.

* WHEN...Until 6 AM CST Wednesday.

* IMPACTS...Plan on slippery road conditions. The cold wind 
  chills as low as 10 below zero could result in hypothermia if 
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

TXZ008>010-016-171200-
/O.CON.KAMA.WW.Y.0005.000000T0000Z-210217T1200Z/
Hutchinson-Roberts-Hemphill-Deaf Smith-
Including the cities of Borger, Miami, Canadian, and Hereford
1207 AM CST Wed Feb 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...

* WHAT...Snow. Total snow accumulations of 1 to 3 inches. Light
  snowfall anticipated for the next couple hours. 

* WHERE...Eastern and southwestern portions of the Texas 
  Panhandle.

* WHEN...Until 6 AM CST Wednesday.

* IMPACTS...Plan on slippery road conditions. The cold wind 
  chills as low as 10 below zero could result in hypothermia if 
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
109 
WWUS44 KAMA 170707
WSWAMA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Amarillo TX
107 AM CST Wed Feb 17 2021

TXZ012-017-317-170815-
/O.CAN.KAMA.WS.W.0002.000000T0000Z-210217T1200Z/
Potter-Randall-Palo Duro Canyon-
Including the cities of Amarillo, Canyon, and Palo Duro Canyon
107 AM CST Wed Feb 17 2021

...WINTER STORM WARNING IS CANCELLED...

Snowfall has ended across the warning area so it will be 
canceled.

$$

TXZ008>010-016-170815-
/O.CAN.KAMA.WW.Y.0005.000000T0000Z-210217T1200Z/
Hutchinson-Roberts-Hemphill-Deaf Smith-
Including the cities of Borger, Miami, Canadian, and Hereford
107 AM CST Wed Feb 17 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snowfall has ended across the advisory area so it will be 
canceled.

$$

TXZ013>015-018>020-171200-
/O.CON.KAMA.WS.W.0002.000000T0000Z-210217T1200Z/
Carson-Gray-Wheeler-Armstrong-Donley-Collingsworth-
Including the cities of Panhandle, White Deer, Pampa, Shamrock, 
Wheeler, Claude, Clarendon, and Wellington
107 AM CST Wed Feb 17 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...

* WHAT...Heavy snow. Total snow accumulations of 4 to 8 inches. 
  For the next couple hours, an additional 1 to 2 inches 
  possible on top of snowfall that has already fallen.

* WHERE...The south central and southeastern Texas Panhandle.

* WHEN...Until 6 AM CST Wednesday.

* IMPACTS...Plan on slippery road conditions. The cold wind chills
  as low as 10 below zero could result in hypothermia if
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
385 
WWUS44 KAMA 170916
WSWAMA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Amarillo TX
316 AM CST Wed Feb 17 2021

TXZ013>015-018>020-171030-
/O.CAN.KAMA.WS.W.0002.000000T0000Z-210217T1200Z/
Carson-Gray-Wheeler-Armstrong-Donley-Collingsworth-
Including the cities of Panhandle, White Deer, Pampa, Shamrock, 
Wheeler, Claude, Clarendon, and Wellington
316 AM CST Wed Feb 17 2021

...WINTER STORM WARNING IS CANCELLED...

Snowfall across the warning area has decreased significantly, and
since only flurries are possible this morning the warning will be
canceled.

$$

Nearby

Winter Storm Warnings in Texas, 2021Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.