Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 23, NWS Amarillo, TX

December 23, 202120 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Dec 23, 2021, 2:31 PM CST for 20 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Dec 24, 2021, 10:00 AM CST. It was in force for 8 hr. 10 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
Dec 23, 2021, 2:31 PM CST (20:31 UTC)
In effect from
Dec 24, 2021, 10:00 AM CST
Expired
Dec 24, 2021, 6:00 PM CST
In force
8 hr
Issued by
NWS Amarillo, TX
All 23 counties

Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 66 km from the middle of the area, began a volume at 20:37 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
Dec 24, 1:21 PM CSTNON-TSTM WND GST 586 Ene Amarillo, TX
Dec 24, 1:21 PM CSTNON-TSTM WND GST 594 E Vega, TXWT MESONET STATION VEGA 4 E.
Dec 24, 1:31 PM CSTNON-TSTM WND GST 6011 Wnw Bootleg, TXWT MESONET STATION BOOTLEG 11 WNW.
Dec 24, 2:14 PM CSTNON-TSTM WND GST 613 Sw Dalhart, TX
Dec 24, 2:15 PM CSTNON-TSTM WND GST 591 Ese Pantex, TXWT MESONET STATION PANTEX 1 ESE.
Dec 24, 2:30 PM CSTNON-TSTM WND GST 592 Nw Lake Mcclellan, TXWT MESONET STATION LAKE MCCLELLAN 2 NW.
Dec 24, 3:02 PM CSTNON-TSTM WND GST 619 Nne Sunray, TXCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 9 NNE SUNRAY FOR REPORT SOURCE. WT MESONET STATION SUNRAY 9 NNE.
Dec 24, 3:02 PM CSTNON-TSTM WND GST 619 Nne Sunray, TXWT MESONET STATION SUNRAY 9 NNE.
Dec 24, 3:04 PM CSTNON-TSTM WND GST 613 Nne Umbarger, TXWT MESONET STATION UMBARGER 3 NNE.
Dec 24, 3:35 PM CSTNON-TSTM WND GST 582 N Spearman, TX

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 12:00Z, 8.5 hours before the alert went out and 66 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 2021-12-23Temperature 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 2021-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897Sfc1 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
4036 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

233 
WWUS84 KAMA 232031
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
231 PM CST Thu Dec 23 2021

OKZ001>003-TXZ001>020-317-240845-
/O.UPG.KAMA.FW.A.0018.211224T1600Z-211225T0000Z/
/O.NEW.KAMA.FW.W.0023.211224T1600Z-211225T0000Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
231 PM CST Thu Dec 23 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE TEXAS AND
OKLAHOMA PANHANDLES...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from 10 AM to 6 PM CST Friday. The Fire Weather Watch is
no longer in effect.

* Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In 
  Texas...Dallam...Sherman...Hansford...Ochiltree...Lipscomb... 
  Hartley...Moore...Hutchinson...Roberts...Hemphill...Oldham... 
  Potter...Carson...Gray...Wheeler...Deaf Smith...Randall... 
  Armstrong...Donley...Collingsworth and Palo Duro Canyon.

* 20 Foot Winds...Southwest 25 to 40 mph with gusts up to 65 mph.

* Relative Humidity...As low as 21 percent.

* Red Flag Threat Index...3 to 4.

* Timing...10 AM to 6 PM Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
3 follow-up statements
599 
WWUS84 KAMA 240928
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
328 AM CST Fri Dec 24 2021

OKZ001>003-TXZ001>020-317-242200-
/O.CON.KAMA.FW.W.0023.211224T1600Z-211225T0000Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
328 AM CST Fri Dec 24 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
6 PM CST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR THE ENTIRE TEXAS AND OKLAHOMA PANHANDLES...

* Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In 
  Texas...Dallam...Sherman...Hansford...Ochiltree...Lipscomb... 
  Hartley...Moore...Hutchinson...Roberts...Hemphill...Oldham... 
  Potter...Carson...Gray...Wheeler...Deaf Smith...Randall... 
  Armstrong...Donley...Collingsworth and Palo Duro Canyon.

* 20 Foot Winds...Southwest 30 to 40 mph with gusts up to 60 mph.

* Relative Humidity...As low as 21 percent.

* Red Flag Threat Index...3 to 4.

* Timing...10 AM to 6 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
363 
WWUS84 KAMA 242037
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
237 PM CST Fri Dec 24 2021


OKZ001>003-TXZ001>020-317-250000-
/O.CON.KAMA.FW.W.0023.000000T0000Z-211225T0000Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
237 PM CST Fri Dec 24 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE TEXAS
AND OKLAHOMA PANHANDLES...

* Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In 
  Texas...Dallam...Sherman...Hansford...Ochiltree...Lipscomb... 
  Hartley...Moore...Hutchinson...Roberts...Hemphill...Oldham... 
  Potter...Carson...Gray...Wheeler...Deaf Smith...Randall... 
  Armstrong...Donley...Collingsworth and Palo Duro Canyon.

* 20 Foot Winds...Southwest 25 to 45 mph with gusts 60 to 65 mph.

* Relative Humidity...As low as 21 percent.

* Red Flag Threat Index...3 to 5.

* Timing...10 AM to 6 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
013 
WWUS84 KAMA 242357
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
557 PM CST Fri Dec 24 2021

OKZ001>003-TXZ001>020-317-250100-
/O.EXP.KAMA.FW.W.0023.000000T0000Z-211225T0000Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
557 PM CST Fri Dec 24 2021

...THE RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE TEXAS AND
OKLAHOMA PANHANDLES...

Southwest to westerly winds will remain gusty for another couple
of hours with values up to 50 mph possible. However, the relative
humidity has come up into the 30 to 40 percent range as 
temperatures have dropped into the 50s and 60s behind a pacific 
front. Thus, red flag conditions have subsided enough to allow for
expiration of the Red Flag Warning. 

$$

For more information from the National Weather Service visit...
www.weather.gov/ama

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 3:02 AM CSTHigh Wind WatchAMAArmstrong, Carson, Dallam, Deaf Smith, Hartley, Moore and 4 more24 hr

Nearby

Red Flag Warnings in Texas, 2021Red Flag Warnings in Oklahoma, 2021Every red flag 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.