Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 1, NWS Lubbock, TX

March 4, 202112 counties in Texas

NWS Lubbock, TX issued this red flag warning at Mar 4, 2021, 2:50 AM CST for 12 counties in Texas. It took effect at Mar 4, 2021, 11:00 AM CST. 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
Mar 4, 2021, 2:50 AM CST (08:50 UTC)
In effect from
Mar 4, 2021, 11:00 AM CST
Expired
Mar 4, 2021, 7:00 PM CST
In force
8 hr
Issued by
NWS Lubbock, TX

Counties Bailey County, TX, Castro County, TX, Cochran County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 51 km from the middle of the area, began a volume at 08:56 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, 8.8 hours before the alert went out and 164 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 2021-03-04Temperature 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 2021-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
4257 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

899 
WWUS84 KLUB 040850
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
250 AM CST Thu Mar 4 2021

TXZ021>023-027>029-033>035-039>041-042100-
/O.UPG.KLUB.FW.A.0001.210304T1700Z-210305T0100Z/
/O.NEW.KLUB.FW.W.0001.210304T1700Z-210305T0100Z/
Parmer-Castro-Swisher-Bailey-Lamb-Hale-Cochran-Hockley-Lubbock-
Yoakum-Terry-Lynn-
250 AM CST Thu Mar 4 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CST
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
SOUTHWEST TEXAS PANHANDLE AND WESTERN AND CENTRAL SOUTH PLAINS...

The National Weather Service in Lubbock has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 7 PM CST
this evening. The Fire Weather Watch is no longer in effect. 

* Wind...Westerly at 20-30 mph, gusting to 45 mph.

* Relative Humidity...10 to 15 percent.

* Fuels...dormant and 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.

&&

$$
2 follow-up statements
795 
WWUS84 KLUB 042027
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
227 PM CST Thu Mar 4 2021

TXZ021>023-027>029-033>035-039>041-050100-
/O.CON.KLUB.FW.W.0001.000000T0000Z-210305T0100Z/
Parmer-Castro-Swisher-Bailey-Lamb-Hale-Cochran-Hockley-Lubbock-
Yoakum-Terry-Lynn-
227 PM CST Thu Mar 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTHWEST TEXAS
PANHANDLE AND WESTERN AND CENTRAL SOUTH PLAINS...

* Wind...Westerly at 20-30 mph, gusting to 45 mph.

* Relative Humidity...10 to 15 percent.

* Fuels...dormant and 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.

&&

$$
826 
WWUS84 KLUB 050101
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
701 PM CST Thu Mar 4 2021

TXZ021>023-027>029-033>035-039>041-050215-
/O.EXP.KLUB.FW.W.0001.000000T0000Z-210305T0100Z/
Parmer-Castro-Swisher-Bailey-Lamb-Hale-Cochran-Hockley-Lubbock-
Yoakum-Terry-Lynn-
701 PM CST Thu Mar 4 2021

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR THE SOUTHWEST TEXAS PANHANDLE AND WESTERN AND 
CENTRAL SOUTH PLAINS...

Elevated fire weather conditions will persist through the evening.
Two primary wind shifts are expected; One to the northwest later 
this evening and another to the north around sunrise on Friday
morning.

$$

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.