Alert archive / Texas / Red Flag Warnings in 2023

Red Flag Warning 21, NWS Amarillo, TX

April 12, 2023Cimarron County, Texas County, Oklahoma; 10 counties in Texas

NWS Amarillo, TX issued this red flag warning at Apr 12, 2023, 9:38 PM CDT for Cimarron County, Texas County, Oklahoma; 10 counties in Texas. It took effect at Apr 13, 2023, 1:00 PM CDT. It was in force for 7 hr. 4 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
Apr 12, 2023, 9:38 PM CDT (02:38 UTC)
In effect from
Apr 13, 2023, 1:00 PM CDT
Expired
Apr 13, 2023, 8:03 PM CDT
In force
7 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 79 km from the middle of the area, began a volume at 02:36 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
Apr 13, 4:36 PM CDTTSTM WND GST 594 Wnw Stratford, TXMESONET SITE RECORDED 59 MPH WIND GUST WITH THUNDERSTORMS.
Apr 13, 5:17 PM CDTTSTM WND GST 582 Wnw Fritch, TXGUST WAS ASSOCIATED WITH THE GUST FRONT OUTFLOW AHEAD OF THE LINE.
Apr 13, 5:20 PM CDTTSTM WND GST 626 Ene Amarillo, TXGUST WAS ASSOCIATED WITH GUST FRONT OUTFLOW AHEAD OF THE MAIN LINE.
Apr 13, 6:24 PM CDTNON-TSTM WND GST 679 Nne Sunray, TXGUST OCCURRED WITH WEAK RADAR RETURNS IN THE VICINITY. MOST LIKELY RELATED TO VIRGA.

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, 2.6 hours before the alert went out and 79 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 2023-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 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 2023-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939Sfc1 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
106 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
3123 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

883 
WWUS84 KAMA 130238
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
938 PM CDT Wed Apr 12 2023

OKZ001-002-TXZ001-131100-
/O.UPG.KAMA.FW.A.0017.230413T1800Z-230414T0200Z/
/O.NEW.KAMA.FW.W.0021.230413T1800Z-230414T0200Z/
Cimarron-Texas-Dallam-
938 PM CDT Wed Apr 12 2023

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM CDT THURSDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE FAR NORTHWEST 
TEXAS PANHANDLE AND CENTRAL AND WESTERN OKLAHOMA 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 1 PM to 9 PM CDT Thursday. The Fire Weather Watch is
no longer in effect.

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam.

* 20 Foot Winds...South 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...As low as 13 percent.

* Red Flag Threat Index...2 to 4.

* Timing...Thursday, 1 PM through 9 PM CDT.

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.

Relatively dry lighting is also possible Thursday afternoon and 
this could lead to fire starts in the area.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
3 follow-up statements
002 
WWUS84 KAMA 130905
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
405 AM CDT Thu Apr 13 2023


TXZ002-003-006>008-011-012-016-017-317-132115-
/O.EXA.KAMA.FW.W.0021.230413T1800Z-230414T0200Z/
Sherman-Hansford-Hartley-Moore-Hutchinson-Oldham-Potter-
Deaf Smith-Randall-Palo Duro Canyon-
405 AM CDT Thu Apr 13 2023

...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 AND CENTRAL 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 1 PM this afternoon to 9 PM CDT this evening.

* Affected Area...In Texas...Sherman...Hansford...Hartley... 
  Moore...Hutchinson...Oldham...Potter...Deaf Smith...Randall 
  and Palo Duro Canyon.

* 20 Foot Winds...South 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...As low as 16 percent.

* Red Flag Threat Index...2 to 4.

* Timing...Today, 1 PM through 9 PM CDT.

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.

&&

$$

OKZ001-002-TXZ001-132115-
/O.CON.KAMA.FW.W.0021.230413T1800Z-230414T0200Z/
Cimarron-Texas-Dallam-
405 AM CDT Thu Apr 13 2023

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR THE FAR NORTHWEST TEXAS PANHANDLE AND CENTRAL AND WESTERN
OKLAHOMA PANHANDLE...

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam.

* 20 Foot Winds...South 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...As low as 13 percent.

* Red Flag Threat Index...2 to 4.

* Timing...Thursday, 1 PM through 9 PM CDT.

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.

Relatively dry lighting is also possible this afternoon and could
lead to fire starts in the area.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
364 
WWUS84 KAMA 131847
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
147 PM CDT Thu Apr 13 2023

OKZ001-002-TXZ001>003-006>008-011-012-016-017-317-141000-
/O.NEW.KAMA.FW.A.0018.230414T1800Z-230415T0200Z/
/O.CON.KAMA.FW.W.0021.000000T0000Z-230414T0200Z/
Cimarron-Texas-Dallam-Sherman-Hansford-Hartley-Moore-Hutchinson-
Oldham-Potter-Deaf Smith-Randall-Palo Duro Canyon-
147 PM CDT Thu Apr 13 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN
OKLAHOMA AND TEXAS PANHANDLES...

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH 
FRIDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
WESTERN OKLAHOMA AND TEXAS 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 Friday afternoon through Friday evening.

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam...Sherman...Hansford...Hartley...Moore...Hutchinson... 
  Oldham...Potter...Deaf Smith...Randall and Palo Duro Canyon.

* 20 Foot Winds...For today's Red Flag Warning, southwest 15 to 30
  mph with gusts up to 45 mph. For Friday's Fire Weather watch,
  west southwest 15 to 25 mph with gusts to 35 mph.

* Relative Humidity...For today's Red Flag Warning, as low as 13
  percent. For Friday's Fire Weather Watch, as low as 8 percent.

* Red Flag Threat Index...For today's Red Flag Warning, 2 to 5.
  For Friday's Fire Weather Watch, 2 to 5.

* Timing...For today's Red Flag Warning, through 9 PM CDT. For
  Friday's Fire Weather Watch, 12 PM through 9 PM CDT.

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.

&&

$$

OKZ003-TXZ004-005-009-010-013>015-018>020-141000-
/O.NEW.KAMA.FW.A.0018.230414T1800Z-230415T0200Z/
Beaver-Ochiltree-Lipscomb-Roberts-Hemphill-Carson-Gray-Wheeler-
Armstrong-Donley-Collingsworth-
147 PM CDT Thu Apr 13 2023

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
EASTERN OKLAHOMA AND TEXAS 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 Friday afternoon through Friday evening.

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

* 20 Foot Winds...West southwest 15 to 25 mph with gusts up to 
  35.0 mph.

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

* Red Flag Threat Index...2 to 5.

* Timing...Friday, 12 PM through 9 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
746 
WWUS84 KAMA 140103
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
803 PM CDT Thu Apr 13 2023

OKZ001-002-TXZ001>003-006>008-011-012-016-017-317-141200-
/O.CAN.KAMA.FW.W.0021.000000T0000Z-230414T0200Z/
/O.UPG.KAMA.FW.A.0018.230414T1800Z-230415T0200Z/
/O.NEW.KAMA.FW.W.0022.230414T1800Z-230415T0200Z/
Cimarron-Texas-Dallam-Sherman-Hansford-Hartley-Moore-Hutchinson-
Oldham-Potter-Deaf Smith-Randall-Palo Duro Canyon-
803 PM CDT Thu Apr 13 2023

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM CDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE OKLAHOMA AND TEXAS
PANHANDLES... 

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS 
AND LOW RELATIVE HUMIDITY FOR THE WESTERN OKLAHOMA AND TEXAS
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 to 9 PM CDT Friday. The Red Flag Warning for this
evening has been cancelled. The Fire Weather Watch is no longer 
in effect.

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam...Sherman...Hansford...Hartley...Moore...Hutchinson... 
  Oldham...Potter...Deaf Smith...Randall and Palo Duro Canyon.

* 20 Foot Winds...Southwest 15 to 25 mph with gusts up to 45 mph.

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

* Red Flag Threat Index...2 to 5.

* Timing...12 PM through 9 PM CDT 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.

&&

$$

OKZ003-TXZ004-005-009-010-013>015-018>020-141200-
/O.UPG.KAMA.FW.A.0018.230414T1800Z-230415T0200Z/
/O.NEW.KAMA.FW.W.0022.230414T1800Z-230415T0200Z/
Beaver-Ochiltree-Lipscomb-Roberts-Hemphill-Carson-Gray-Wheeler-
Armstrong-Donley-Collingsworth-
803 PM CDT Thu Apr 13 2023

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM CDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR OKLAHOMA AND TEXAS
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 to 9 PM CDT Friday. The Fire Weather Watch is no
longer in effect.

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

* 20 Foot Winds...Southwest 15 to 20 mph with gusts up to 35 mph.

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

* Red Flag Threat Index...2 to 5.

* Timing...Friday, 12 PM through 9 PM CDT.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 1:47 PM CDTFire Weather WatchAMABeaver, Cimarron, Texas6 hr
Apr 13, 4:58 PM CDTSpecial Weather StatementAMATexas32 min
Apr 13, 5:32 PM CDTSpecial Weather StatementAMATexas58 min
Apr 13, 6:36 PM CDTSpecial Weather StatementAMABeaver54 min
Apr 13, 3:05 PM CDTSpecial Weather StatementAMADeaf Smith, Hartley, Oldham25 min
Apr 13, 3:31 PM CDTSpecial Weather StatementAMADeaf Smith, Hartley, Oldham29 min
Apr 13, 4:00 PM CDTSpecial Weather StatementAMADallam, Deaf Smith, Hartley, Oldham30 min
Apr 13, 4:34 PM CDTSpecial Weather StatementAMADeaf Smith, Moore, Oldham, Potter, Randall, Sherman26 min

Nearby

Red Flag Warnings in Texas, 2023Red Flag Warnings in Oklahoma, 2023Every red flag warning in 2023

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.