Alert archive / Texas / Freeze Warnings in 2021

Freeze Warning 4, NWS Amarillo, TX

November 3, 20216 counties in Texas

NWS Amarillo, TX issued this freeze warning at Nov 3, 2021, 1:20 PM CDT for 6 counties in Texas. It took effect at Nov 4, 2021, 2:00 AM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 3, 2021, 1:20 PM CDT (18:20 UTC)
In effect from
Nov 4, 2021, 2:00 AM CDT
Expired
Nov 4, 2021, 10:00 AM CDT
In force
8 hr
Issued by
NWS Amarillo, TX

Counties Armstrong County, TX, Deaf Smith County, TX, Donley County, TX, Oldham County, TX, Randall County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 17 km from the middle of the area, began a volume at 18:21 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.3 hours before the alert went out and 17 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 12:00Z on 2021-11-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 12:00Z on 2021-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

522 
WWUS74 KAMA 031820
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
120 PM CDT Wed Nov 3 2021

OKZ002-003-TXZ001>010-012>014-040230-
/O.UPG.KAMA.FZ.A.0004.211104T0700Z-211104T1500Z/
/O.NEW.KAMA.HZ.W.0003.211104T0700Z-211104T1500Z/
Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-Hartley-
Moore-Hutchinson-Roberts-Hemphill-Potter-Carson-Gray-
Including the cities of Lake Marvin, Dalhart, Glazier, Romero,
Conlen, Pampa, Canadian, Lora, Kingsmill, Gruver, Four Way,
Borger, Codman, Amarillo, Waka, Perryton, Panhandle, Ware,
Higgins, Masterson, Miami, White Deer, Booker, Wolf Creek Park,
Pantex, Bushland, Spearman, Channing, Forgan, Farnsworth,
Skellytown, Dumas, Stratford, Follett, Beaver, Hartley, and
Guymon
120 PM CDT Wed Nov 3 2021

...HARD FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM CDT THURSDAY...

* WHAT...Sub-freezing temperatures as low as 25 to 28 expected.

* WHERE...Portions of the Texas and Oklahoma Panhandle.

* WHEN...From 2 AM to 10 AM CDT Thursday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

TXZ011-015>019-317-040230-
/O.UPG.KAMA.FZ.A.0004.211104T0700Z-211104T1500Z/
/O.NEW.KAMA.FZ.W.0004.211104T0700Z-211104T1500Z/
Oldham-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Palo Duro
Canyon-
Including the cities of Bootleg, Goodnight, Wayside, Lela,
Umbarger, Wheeler, Briscoe, Canyon, Twitty, Shamrock, Claude,
Wildorado, Vega, Buffalo Lake, Boys Ranch, Palo Duro Canyon State
Park, Hereford, Dawn, Washburn, and Clarendon
120 PM CDT Wed Nov 3 2021

...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM CDT THURSDAY...

* WHAT...Sub-freezing temperatures as low as 29 to 32 expected.

* WHERE...Armstrong, Deaf Smith, Donley, Oldham, Palo Duro Canyon, 
  Randall and Wheeler Counties.

* WHEN...From 2 AM to 10 AM CDT Thursday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Guerrero
2 follow-up statements
059 
WWUS74 KAMA 040158
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
858 PM CDT Wed Nov 3 2021

OKZ002-003-TXZ001>010-012>014-041000-
/O.CON.KAMA.HZ.W.0003.211104T0700Z-211104T1500Z/
Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-Hartley-
Moore-Hutchinson-Roberts-Hemphill-Potter-Carson-Gray-
Including the cities of Lake Marvin, Dalhart, Glazier, Romero,
Conlen, Pampa, Canadian, Lora, Kingsmill, Gruver, Four Way,
Borger, Codman, Amarillo, Waka, Perryton, Panhandle, Ware,
Higgins, Masterson, Miami, White Deer, Booker, Wolf Creek Park,
Pantex, Bushland, Spearman, Channing, Forgan, Farnsworth,
Skellytown, Dumas, Stratford, Follett, Beaver, Hartley, and
Guymon
858 PM CDT Wed Nov 3 2021

...HARD FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM CDT 
THURSDAY...

* WHAT...Sub-freezing temperatures as low as 26 expected.

* WHERE...Northern and central portions of the combined Texas and 
  Oklahoma Panhandle.

* WHEN...From 2 AM to 10 AM CDT Thursday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.


&&

$$

TXZ011-015>019-317-041000-
/O.CON.KAMA.FZ.W.0004.211104T0700Z-211104T1500Z/
Oldham-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Palo Duro
Canyon-
Including the cities of Bootleg, Goodnight, Wayside, Lela,
Umbarger, Wheeler, Briscoe, Canyon, Twitty, Shamrock, Claude,
Wildorado, Vega, Buffalo Lake, Boys Ranch, Palo Duro Canyon State
Park, Hereford, Dawn, Washburn, and Clarendon
858 PM CDT Wed Nov 3 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM CDT 
THURSDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Armstrong, Deaf Smith, Donley, Oldham, Palo Duro Canyon, 
  Randall and Wheeler Counties.

* WHEN...From 2 AM to 10 AM CDT Thursday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Ward
455 
WWUS74 KAMA 040753
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
253 AM CDT Thu Nov 4 2021

OKZ002-003-TXZ001>010-012>014-041500-
/O.CON.KAMA.HZ.W.0003.000000T0000Z-211104T1500Z/
Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-Hartley-
Moore-Hutchinson-Roberts-Hemphill-Potter-Carson-Gray-
Including the cities of Lake Marvin, Dalhart, Glazier, Romero,
Conlen, Pampa, Canadian, Lora, Kingsmill, Gruver, Four Way,
Borger, Codman, Amarillo, Waka, Perryton, Panhandle, Ware,
Higgins, Masterson, Miami, White Deer, Booker, Wolf Creek Park,
Pantex, Bushland, Spearman, Channing, Forgan, Farnsworth,
Skellytown, Dumas, Stratford, Follett, Beaver, Hartley, and
Guymon
253 AM CDT Thu Nov 4 2021

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS 
MORNING...

* WHAT...Sub-freezing temperatures as low as 26.

* WHERE...Central and eastern Oklahoma Panhandle. Northern and 
  central Texas Panhandle.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

TXZ011-015>019-317-041500-
/O.CON.KAMA.FZ.W.0004.000000T0000Z-211104T1500Z/
Oldham-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Palo Duro
Canyon-
Including the cities of Bootleg, Goodnight, Wayside, Lela,
Umbarger, Wheeler, Briscoe, Canyon, Twitty, Shamrock, Claude,
Wildorado, Vega, Buffalo Lake, Boys Ranch, Palo Duro Canyon State
Park, Hereford, Dawn, Washburn, and Clarendon
253 AM CDT Thu Nov 4 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 28.

* WHERE...Armstrong, Deaf Smith, Donley, Oldham, Palo Duro Canyon, 
  Randall and Wheeler Counties.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

LG

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 3, 2:52 AM CDTFreeze WatchAMAArmstrong, Carson, Dallam, Deaf Smith, Donley, Gray and 13 more10 hr
Nov 3, 1:20 PM CDTHard Freeze WarningAMACarson, Dallam, Gray, Hansford, Hartley, Hemphill and 7 more21 hr

Nearby

Freeze Warnings in Texas, 2021Every freeze 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.