Alert archive / Texas / Red Flag Warnings in 2022

Red Flag Warning 21, NWS Amarillo, TX

April 11, 20224 counties in Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Apr 11, 2022, 3:56 AM CDT for 4 counties in Texas; Cimarron County, Oklahoma. It took effect at Apr 11, 2022, 1:00 PM 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
Apr 11, 2022, 3:56 AM CDT (08:56 UTC)
In effect from
Apr 11, 2022, 1:00 PM CDT
Expired
Apr 11, 2022, 9:00 PM CDT
In force
8 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 105 km from the middle of the area, began a volume at 08:54 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 00:00Z, 8.9 hours before the alert went out and 106 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 2022-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 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 2022-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
21 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
3935 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

044 
WWUS84 KAMA 110856
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
356 AM CDT Mon Apr 11 2022

TXZ002-007-012-017-317-112100-
/O.CAN.KAMA.FW.A.0019.220411T1800Z-220412T0200Z/
/O.UPG.KAMA.FW.A.0018.220412T1600Z-220413T0300Z/
/O.NEW.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
Sherman-Moore-Potter-Randall-Palo Duro Canyon-
356 AM CDT Mon Apr 11 2022

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE COMBINED
PANHANDLES... 
...FIRE WEATHER WATCH IS CANCELLED FOR STRONG WINDS AND LOW 
RELATIVE HUMIDITY VALUES FOR THE WESTERN OKLAHOMA PANHANDLE AND 
THE WESTERN HALF OF THE TEXAS PANHANDLE...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from 11 AM to 10 PM CDT Tuesday. The Fire Weather Watch
has been cancelled. The Fire Weather Watch is no longer in
effect.

* Affected Area...In Texas...Sherman...Moore...Potter...Randall 
  and Palo Duro Canyon.

* 20 Foot Winds...Tuesday...Southwest 30 to 40 mph with gusts up 
  to 65 mph.

* Relative Humidity...As low as 9 percent.

* Red Flag Threat Index...2 to 5 Monday and 6 to 8 on Tuesday.

* Timing...From 1 PM to 9 PM Monday and from 11 AM to 10 PM on 
  Tuesday.

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.

&&

$$

OKZ001-TXZ001-006-011-016-112100-
/O.UPG.KAMA.FW.A.0019.220411T1800Z-220412T0200Z/
/O.NEW.KAMA.FW.W.0021.220411T1800Z-220412T0200Z/
/O.UPG.KAMA.FW.A.0018.220412T1600Z-220413T0300Z/
/O.NEW.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
Cimarron-Dallam-Hartley-Oldham-Deaf Smith-
356 AM CDT Mon Apr 11 2022

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM
CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
WESTERN PORTIONS OF THE PANHANDLES... 
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE COMBINED
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 1 PM this afternoon to 9 PM CDT this evening. A Red
Flag Warning has also been issued from 11 AM to 10 PM CDT
Tuesday. The Fire Weather Watch is no longer in effect. The Fire
Weather Watch is no longer in effect.

* Affected Area...In Oklahoma...Cimarron. In Texas...Dallam... 
  Hartley...Oldham and Deaf Smith.

* 20 Foot Winds...Tuesday...Southwest 30 to 40 mph with gusts up 
  to 65 mph.

* Relative Humidity...As low as 11 percent.

* Red Flag Threat Index...2 to 5 Monday and 6 to 8 on Tuesday.

* Timing...From 1 PM to 9 PM Monday and from 11 AM to 10 PM on 
  Tuesday.

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.

&&

$$

OKZ002-003-TXZ003>005-008>010-013>015-018>020-112100-
/O.UPG.KAMA.FW.A.0018.220412T1600Z-220413T0300Z/
/O.NEW.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
Texas-Beaver-Hansford-Ochiltree-Lipscomb-Hutchinson-Roberts-
Hemphill-Carson-Gray-Wheeler-Armstrong-Donley-Collingsworth-
356 AM CDT Mon Apr 11 2022

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE COMBINED
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 11 AM to 10 PM CDT Tuesday. The Fire Weather Watch is
no longer in effect.

* Affected Area...In Oklahoma...Texas and Beaver. In Texas... 
  Hansford...Ochiltree...Lipscomb...Hutchinson...Roberts... 
  Hemphill...Carson...Gray...Wheeler...Armstrong...Donley and 
  Collingsworth.

* 20 Foot Winds...Southwest 25 to 40 mph with gusts up to 60 mph.

* Relative Humidity...As low as 8 percent.

* Red Flag Threat Index...6 to 8.

* Timing...From 11 AM to 10 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
2 follow-up statements
479 
WWUS84 KAMA 112018
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
318 PM CDT Mon Apr 11 2022

OKZ001-TXZ001-006-011-016-121100-
/O.NEW.KAMA.FW.A.0020.220413T1600Z-220414T0300Z/
/O.CON.KAMA.FW.W.0021.000000T0000Z-220412T0200Z/
/O.CON.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
Cimarron-Dallam-Hartley-Oldham-Deaf Smith-
318 PM CDT Mon Apr 11 2022

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR WESTERN PORTIONS
OF THE PANHANDLES...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM CDT
TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
PANHANDLES... 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH 
WEDNESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR 
THE PANHANDLES...

The National Weather Service in Amarillo has issued a Fire
Weather Watch for strong winds and low relative humidity, which
is in effect from Wednesday morning through Wednesday evening.

* Affected Area...In Oklahoma...Cimarron. In Texas...Dallam... 
  Hartley...Oldham and Deaf Smith.

* 20 Foot Winds...West 35 to 45 mph with gusts up to 65 mph.

* Relative Humidity...As low as 7 percent.

* Red Flag Threat Index...2 to 5 this evening and 6 to 8 on 
  Tuesday.

* Timing...Until 9 PM this evening and from 11 AM to 10 PM on 
  Tuesday.

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.

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

OKZ002-003-TXZ002>005-007>010-012>015-017>020-317-121100-
/O.NEW.KAMA.FW.A.0020.220413T1600Z-220414T0300Z/
/O.CON.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
Texas-Beaver-Sherman-Hansford-Ochiltree-Lipscomb-Moore-Hutchinson-
Roberts-Hemphill-Potter-Carson-Gray-Wheeler-Randall-Armstrong-
Donley-Collingsworth-Palo Duro Canyon-
318 PM CDT Mon Apr 11 2022

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM CDT
TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE ENTIRE
COMBINED PANHANDLES...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
THE PANHANDLES...

The National Weather Service in Amarillo has issued a Fire
Weather Watch for strong winds and low relative humidity, which
is in effect from Wednesday morning through Wednesday evening.

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

* 20 Foot Winds...West 30 to 40 mph with gusts up to 65 mph.

* Relative Humidity...As low as 8 percent.

* Red Flag Threat Index...6 to 8.

* Timing...From 11 AM to 10 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.

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
492 
WWUS84 KAMA 120221
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
921 PM CDT Mon Apr 11 2022

OKZ001-TXZ001-006-011-016-121200-
/O.EXP.KAMA.FW.W.0021.000000T0000Z-220412T0200Z/
/O.CON.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
/O.CON.KAMA.FW.A.0020.220413T1600Z-220414T0300Z/
Cimarron-Dallam-Hartley-Oldham-Deaf Smith-
921 PM CDT Mon Apr 11 2022

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM CDT
TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES FOR
THE FAR WESTERN SECTIONS OF THE OKLAHOMA AND TEXAS PANHANDLES...
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING 
THROUGH WEDNESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE 
HUMIDITY VALUES FOR THE FAR WESTERN SECTIONS OF THE OKLAHOMA AND 
TEXAS PANHANDLES...

...RED FLAG WARNING HAS EXPIRED FOR THIS EVENING FOR STRONG WINDS
AND LOW RELATIVE HUMIDITY VALUES FOR THE FAR WESTERN SECTIONS OF 
THE OKLAHOMA AND TEXAS PANHANDLES...

* Affected Area...In Oklahoma...Cimarron. In Texas...Dallam... 
  Hartley...Oldham and Deaf Smith.

* 20 Foot Winds...On Tuesday, west winds 35 to 45 mph with gusts 
  up to 65 mph.

* Relative Humidity...As low as 7 percent on Tuesday.

* Red Flag Threat Index...6 to 8 on Tuesday.

* Timing...From 11 AM to 10 PM on Tuesday.

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.

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

OKZ002-003-TXZ002>005-007>010-012>015-017>020-317-121200-
/O.CON.KAMA.FW.W.0022.220412T1600Z-220413T0300Z/
/O.CON.KAMA.FW.A.0020.220413T1600Z-220414T0300Z/
Texas-Beaver-Sherman-Hansford-Ochiltree-Lipscomb-Moore-Hutchinson-
Roberts-Hemphill-Potter-Carson-Gray-Wheeler-Randall-Armstrong-
Donley-Collingsworth-Palo Duro Canyon-
921 PM CDT Mon Apr 11 2022

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM CDT
TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES FOR
CENTRAL AND EASTERN SECTIONS OF THE OKLAHOMA AND TEXAS PANHANDLES...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING 
THROUGH WEDNESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE 
HUMIDITY VALUES FOR CENTRAL AND EASTERN SECTIONS OF THE OKLAHOMA 
AND TEXAS PANHANDLES...

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

* 20 Foot Winds...On Tuesday, west winds 30 to 40 mph with gusts 
  up to 65 mph.

* Relative Humidity...As low as 8 percent on Tuesday. 

* Red Flag Threat Index...6 to 8 on Tuesday.

* Timing...From 11 AM to 10 PM on Tuesday. 

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.

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

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
Apr 11, 3:56 AM CDTRed Flag WarningAMAArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more42 hr
Apr 11, 3:03 PM CDTHigh Wind WarningAMACarson, Dallam, Deaf Smith, Hansford, Hartley, Hemphill and 9 more31 hr
Apr 11, 3:18 PM CDTFire Weather WatchAMAArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more24 hr

Nearby

Red Flag Warnings in Texas, 2022Red Flag Warnings in Oklahoma, 2022Every red flag warning in 2022

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.