Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 4, NWS Amarillo, TX

March 9, 202120 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Mar 9, 2021, 2:51 PM CST for 20 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Mar 10, 2021, 10:00 AM CST. It was in force for 10 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
Mar 9, 2021, 2:51 PM CST (20:51 UTC)
In effect from
Mar 10, 2021, 10:00 AM CST
Expired
Mar 10, 2021, 8:00 PM CST
In force
10 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 20:52 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
Mar 10, 10:04 AM CSTHIGH SUST WINDS 402 Wnw Lake Mcclellan, TXWEST TEXAS MESONET AT LAKE MCCLELLAN 2 NW.
Mar 10, 10:04 AM CSTHIGH SUST WINDS 404 Wnw Stratford, TXWEST TEXAS MESONET AT STRATFORD 4 WNW.
Mar 10, 11:20 AM CSTHIGH SUST WINDS 4111 S Romero, TXWEST TEXAS MESONET AT 11 SSW ROMERO.
Mar 10, 11:40 AM CSTHIGH SUST WINDS 401 S Black Mesa Park, OKCORRECTS PREVIOUS HIGH SUST WINDS REPORT FROM 1 S BLACK MESA PARK. OKLAHOMA MESONET AT KENTON 5 SE.
Mar 10, 11:40 AM CSTHIGH SUST WINDS 401 S Black Mesa Park, OKOKLAHOMA MESONET AT KENTON 5 SE.
Mar 10, 2:54 PM CSTHIGH SUST WINDS 404 Wnw Stratford, TXWEST TEXAS MESONET AT STRATFORD 4 WNW.

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, 8.9 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 2021-03-09Temperature 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 2021-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2454 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

612 
WWUS84 KAMA 092051
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
251 PM CST Tue Mar 9 2021

OKZ001>003-TXZ001>004-006>008-011-012-016-017-317-101200-
/O.UPG.KAMA.FW.A.0003.210310T1600Z-210311T0200Z/
/O.NEW.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
/O.CON.KAMA.FW.W.0003.000000T0000Z-210310T0200Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Hartley-
Moore-Hutchinson-Oldham-Potter-Deaf Smith-Randall-
Palo Duro Canyon-
251 PM CST Tue Mar 9 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE OKLAHOMA AND
WESTERN AND NORTH CENTRAL TEXAS PANHANDLES...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM CST WEDNESDAY
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE 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 8 PM CST Wednesday. The Fire Weather Watch
is no longer in effect. A Red Flag Warning remains in effect
through 8 PM today as well.

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

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 50 mph.

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

* Red Flag Threat Index...Tuesday: 3 to 6, with the highest values
  in the northwestern combined Panhandles. Wednesday: 3 to 7, 
  with the highest values in the western Texas Panhandle.

* Timing...On Tuesday, critical fire conditions are expected to
  occur through 8 PM. On Wednesday, critical conditions are likely 
  between 10 AM and 8 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.

&&

$$

TXZ005-009-010-013>015-018>020-101200-
/O.UPG.KAMA.FW.A.0003.210310T1600Z-210311T0200Z/
/O.NEW.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
Lipscomb-Roberts-Hemphill-Carson-Gray-Wheeler-Armstrong-Donley-
Collingsworth-
251 PM CST Tue Mar 9 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM CST WEDNESDAY
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE 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 8 PM CST Wednesday. The Fire Weather Watch
is no longer in effect.

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

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 50 mph.

* Relative Humidity...As low as 10 percent.

* Red Flag Threat Index...3 to 7.

* Timing...Critical conditions are possible between 10 AM and 8 
  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
5 follow-up statements
870 
WWUS84 KAMA 100154
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
754 PM CST Tue Mar 9 2021

OKZ001>003-TXZ001>004-006>008-011-012-016-017-317-101200-
/O.EXP.KAMA.FW.W.0003.000000T0000Z-210310T0200Z/
/O.CON.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Hartley-
Moore-Hutchinson-Oldham-Potter-Deaf Smith-Randall-
Palo Duro Canyon-
754 PM CST Tue Mar 9 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM CST
WEDNESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
OKLAHOMA AND WESTERN AND NORTH CENTRAL TEXAS PANHANDLES...
...RED FLAG WARNING WILL EXPIRE AT 8 PM CST THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE OKLAHOMA AND
WESTERN AND NORTH CENTRAL TEXAS PANHANDLES...

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

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 50 mph.

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

* Red Flag Threat Index...3 to 7 Wednesday, with the highest 
  values in the western Texas Panhandle.

* Timing...On Wednesday, critical conditions are likely between 
  10 AM and 8 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.

&&

$$

TXZ005-009-010-013>015-018>020-101200-
/O.CON.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
Lipscomb-Roberts-Hemphill-Carson-Gray-Wheeler-Armstrong-Donley-
Collingsworth-
754 PM CST Tue Mar 9 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM CST
WEDNESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
TEXAS AND OKLAHOMA PANHANDLES...

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

* 20 Foot Winds...Southwest 20 to 30 mph with gusts up to 50 mph.

* Relative Humidity...As low as 10 percent.

* Red Flag Threat Index...3 to 7.

* Timing...Critical conditions are possible between 10 AM and 8 
  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
654 
WWUS84 KAMA 100202
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
802 PM CST Tue Mar 9 2021

OKZ001>003-TXZ001>020-317-101200-
/O.CON.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
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-
802 PM CST Tue Mar 9 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM CST
WEDNESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
OKLAHOMA AND WESTERN AND NORTH CENTRAL 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 20 to 30 mph with gusts up to 50 mph.

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

* Red Flag Threat Index...3 to 7, with the highest values in the 
  western Texas Panhandle.

* Timing...Critical conditions are likely between 10 AM and 8 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
210 
WWUS84 KAMA 100207 AAA
RFWAMA

URGENT - FIRE WEATHER MESSAGE...UPDATED
National Weather Service Amarillo TX
807 PM CST Tue Mar 9 2021

OKZ001>003-TXZ001>020-317-101415-
/O.CON.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
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-
807 PM CST Tue Mar 9 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM CST
WEDNESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR ALL THE
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 20 to 30 mph with gusts up to 50 mph.

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

* Red Flag Threat Index...3 to 7, with the highest values in the 
  western Texas Panhandle.

* Timing...Critical conditions are likely between 10 AM and 8 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
507 
WWUS84 KAMA 101019
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
419 AM CST Wed Mar 10 2021

OKZ001>003-TXZ001>020-317-110200-
/O.CON.KAMA.FW.W.0004.210310T1600Z-210311T0200Z/
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-
419 AM CST Wed Mar 10 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM CST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR ALL THE 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 20 to 30 mph with gusts up to 45 mph.

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

* Red Flag Threat Index...3 to 7, with the highest values in the 
  western Texas Panhandle.

* Timing...Critical conditions are likely between 10 AM and 8 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
364 
WWUS84 KAMA 110148
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
748 PM CST Wed Mar 10 2021

OKZ001>003-TXZ001>020-317-110300-
/O.EXP.KAMA.FW.W.0004.000000T0000Z-210311T0200Z/
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-
748 PM CST Wed Mar 10 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM CST THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR ALL THE TEXAS AND
OKLAHOMA PANHANDLES...

The 20 foot wind speeds have diminished this evening and relative
humidity values are increasing after sunset. Critical fire weather
conditions are no longer occurring and therefore, the Red Flag
Warning will be allowed to expire at 8 PM CST this evening.

$$

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

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.