Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 9, NWS Lubbock, TX

April 26, 202120 counties in Texas

NWS Lubbock, TX issued this red flag warning at Apr 26, 2021, 2:36 AM CDT for 20 counties in Texas. It took effect at Apr 26, 2021, 12:00 PM CDT. It was in force for 9 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 26, 2021, 2:36 AM CDT (07:36 UTC)
In effect from
Apr 26, 2021, 12:00 PM CDT
Expired
Apr 26, 2021, 9:00 PM CDT
In force
9 hr
Issued by
NWS Lubbock, TX

Counties Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Kent County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 22 km from the middle of the area, began a volume at 07:40 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, 7.6 hours before the alert went out and 154 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 2021-04-26Temperature 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 2021-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
4768 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

534 
WWUS84 KLUB 260736
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
236 AM CDT Mon Apr 26 2021

TXZ021>025-027>031-033>037-039>043-262000-
/O.UPG.KLUB.FW.A.0010.210426T1700Z-210427T0200Z/
/O.NEW.KLUB.FW.W.0009.210426T1700Z-210427T0200Z/
Parmer-Castro-Swisher-Briscoe-Hall-Bailey-Lamb-Hale-Floyd-Motley-
Cochran-Hockley-Lubbock-Crosby-Dickens-Yoakum-Terry-Lynn-Garza-
Kent-
236 AM CDT Mon Apr 26 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTH
PLAINS...THE EXTREME SOUTHERN PANHANDLE...AND MUCH OF THE WESTERN
ROLLING PLAINS...

The National Weather Service in Lubbock has issued a Red Flag
Warning, which is in effect from noon today to 9 PM CDT this
evening. The Fire Weather Watch is no longer in effect. 

* Timing...Noon to 9 PM today.

* Wind...Southwest winds 20 to 25 mph.

* Humidity...5 to 10 percent.

* Fuels...Critically dry.

* Impacts...Any fires that develop can spread rapidly. Outdoor 
  burning is discouraged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are imminent or already occurring. These conditions can create
rapid wildfire growth.

&&

$$
1 follow-up statement
351 
WWUS84 KLUB 261905
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
205 PM CDT Mon Apr 26 2021

TXZ021-027-033-039-270400-
/O.NEW.KLUB.FW.A.0011.210427T1700Z-210428T0200Z/
/O.CON.KLUB.FW.W.0009.000000T0000Z-210427T0200Z/
Parmer-Bailey-Cochran-Yoakum-
205 PM CDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTH
PLAINS...EXTREME SOUTHERN TEXAS PANHANDLE, AND THE WESTERN ROLLING
PLAINS... 
...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH 
TUESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
EXTREME SOUTHWESTERN TEXAS PANHANDLE AND WESTERN SOUTH PLAINS...

The National Weather Service in Lubbock has issued a Fire Weather
Watch, which is in effect from Tuesday afternoon through Tuesday
evening. 

* Timing...For the red flag warning, until 9 PM today. For the 
  fire weather watch, noon to 9 PM Tuesday.

* Wind...Southwest winds 20 to 25 mph.

* Humidity...Today, 5 to 10 percent. For Tuesday, 10 to 15
  percent.

* Fuels...Critically dry.

* Impacts...Any fires that develop can spread rapidly. Outdoor 
  burning is discouraged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are imminent or already occurring. These conditions can create
rapid wildfire growth.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Monitor later forecasts and possible Red
Flag Warnings.

&&

$$

TXZ022>025-028>031-034>037-040>043-270200-
/O.CON.KLUB.FW.W.0009.000000T0000Z-210427T0200Z/
Castro-Swisher-Briscoe-Hall-Lamb-Hale-Floyd-Motley-Hockley-
Lubbock-Crosby-Dickens-Terry-Lynn-Garza-Kent-
205 PM CDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTH PLAINS
AND THE WESTERN ROLLING PLAINS...

* Timing...Until 9 PM today.

* Wind...Southwest winds 20 to 25 mph.

* Humidity...5 to 10 percent.

* Fuels...Critically dry.

* Impacts...Any fires that develop can spread rapidly. Outdoor 
  burning is discouraged.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are imminent or already occurring. These conditions can create
rapid wildfire growth.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 2:05 PM CDTFire Weather WatchLUBBailey, Cochran, Parmer, Yoakum13 hr

Nearby

Red Flag Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.