Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 24, NWS Amarillo, TX

December 26, 202120 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Dec 26, 2021, 3:14 AM CST for 20 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Dec 26, 2021, 12:00 PM CST. It was in force for 6 hr. 6 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 26, 2021, 3:14 AM CST (09:14 UTC)
In effect from
Dec 26, 2021, 12:00 PM CST
Expired
Dec 26, 2021, 6:00 PM CST
In force
6 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 09:16 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 26, 12:15 PM CSTNON-TSTM WND GST 593 Sw Dalhart, TX
Dec 26, 12:55 PM CSTNON-TSTM WND GST 592 N Spearman, TX
Dec 26, 1:01 PM CSTNON-TSTM WND GST 609 Nne Sunray, TXWEST TEXAS MESONET SITE 9 NNE SUNRAY.
Dec 26, 1:05 PM CSTNON-TSTM WND GST 649 Nw Waka, TXWEST TEXAS MESONET SITE 1 NW PALO DURO RESERVOIR.
Dec 26, 1:45 PM CSTNON-TSTM WND GST 592 Ene Goodwell, OKOKLAHOMA MESONET SITE 2 E GOODWELL.
Dec 26, 3:11 PM CSTNON-TSTM WND GST 604 E Vega, TXWEST TEXAS MESONET SITE 4 E VEGA.

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, 9.2 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 00:00Z on 2021-12-26Temperature 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 00:00Z on 2021-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897117Sfc1 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
2376 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

020 
WWUS84 KAMA 260914
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
314 AM CST Sun Dec 26 2021

OKZ001>003-TXZ001>020-317-262200-
/O.UPG.KAMA.FW.A.0019.211226T1800Z-211227T0000Z/
/O.NEW.KAMA.FW.W.0024.211226T1800Z-211227T0000Z/
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-
314 AM CST Sun Dec 26 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES FOR ALL
OF THE OKLAHOMA AND TEXAS PANHANDLES...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity values, which 
is in effect from noon today to 6 PM CST this evening. 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 winds of 20 to 35 mph with higher 
  gusts are anticipated.

* Relative Humidity...Minimum relative humidity values between 
  15 and 25 percent are expected.

* Red Flag Threat Index...3 to 4, with isolated pockets of 5 in
  the western and central Oklahoma Panhandle.

* Timing...Critical fire weather conditions are forecast to begin
  around Noon today and end by around 6 PM this evening. 

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.

&&

$$

02

For more information from the National Weather Service visit...
www.weather.gov/ama
2 follow-up statements
675 
WWUS84 KAMA 261938
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
138 PM CST Sun Dec 26 2021

OKZ001>003-TXZ001>020-317-270000-
/O.CON.KAMA.FW.W.0024.000000T0000Z-211227T0000Z/
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-
138 PM CST Sun Dec 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES FOR ALL OF THE
OKLAHOMA AND TEXAS 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 winds of 20 to 35 mph with higher 
  gusts are anticipated.

* Relative Humidity...Minimum relative humidity values between 
  15 and 25 percent are expected.

* Red Flag Threat Index...3 to 4, with isolated pockets of 5 in
  the western and central Oklahoma Panhandle, along with the
  northern Texas Panhandle.

* Timing...Critical fire weather conditions are expected to
  continue through 6 PM this evening.

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
525 
WWUS84 KAMA 262350
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
550 PM CST Sun Dec 26 2021

OKZ001>003-TXZ001>020-317-270100-
/O.EXP.KAMA.FW.W.0024.000000T0000Z-211227T0000Z/
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-
550 PM CST Sun Dec 26 2021

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

While RFTI values of 2 to 3 may persist a little beyond 6 PM,
winds and temperatures will continue to decrease such that the Red
Flag Warning will be allowed to expire at 6 PM.

$$

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 26, 3:04 AM CSTWind AdvisoryAMAArmstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 7 more15 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.