Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 18, NWS Lubbock, TX

December 15, 202121 counties in Texas

NWS Lubbock, TX issued this red flag warning at Dec 15, 2021, 2:24 AM CST for 21 counties in Texas. It took effect at Dec 15, 2021, 12:00 PM CST. It was in force for 6 hr. 3 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
Dec 15, 2021, 2:24 AM CST (08:24 UTC)
In effect from
Dec 15, 2021, 12:00 PM CST
Expired
Dec 15, 2021, 6:00 PM CST
In force
6 hr
Issued by
NWS Lubbock, TX
All 21 counties

Bailey County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hockley 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), 32 km from the middle of the area, began a volume at 08:22 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
Dec 15, 1:02 PM CSTNON-TSTM WND GST 60Caprock Canyon Sp, TXWEST TEXAS MESONET
Dec 15, 1:28 PM CSTNON-TSTM WND GST 607 Ese Silverton, TXWEST TEXAS MESONET
Dec 15, 1:47 PM CSTNON-TSTM WND GST 616 Nne Lubbock, TX

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, 8.4 hours before the alert went out and 145 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 2021-12-15Temperature 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 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 2021-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
2946 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

501 
WWUS84 KLUB 150824
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
224 AM CST Wed Dec 15 2021

TXZ021>037-039>042-151800-
/O.UPG.KLUB.FW.A.0017.211215T1800Z-211216T0000Z/
/O.NEW.KLUB.FW.W.0018.211215T1800Z-211216T0000Z/
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-
Floyd-Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-Yoakum-
Terry-Lynn-Garza-
224 AM CST Wed Dec 15 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EXTREME
SOUTHERN TEXAS PANHANDLE AND SOUTH PLAINS...

The National Weather Service in Lubbock has issued a Red Flag
Warning, which is in effect from noon today to 6 PM CST this
evening. The Fire Weather Watch is no longer in effect. 

* Wind...West-southwest 25 to 45 mph with gusts to 60 mph.

* Humidity...As low as 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.

&&

$$
1 follow-up statement
608 
WWUS84 KLUB 152019
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
219 PM CST Wed Dec 15 2021

TXZ026-031-032-036-037-042-152130-
/O.CAN.KLUB.FW.W.0018.000000T0000Z-211216T0000Z/
Childress-Motley-Cottle-Crosby-Dickens-Garza-
219 PM CST Wed Dec 15 2021

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY FOR THE ROLLING PLAINS...

The National Weather Service in Lubbock has cancelled the Red
Flag Warning. 

Strong west-southwesterly winds from 20 to 30 mph with gusts to 
45 mph will continue this afternoon so there still will be a risk
for wildfire spread. But afternoon relative humidity values are
expected to remain above 30% over the Rolling Plains.

$$

TXZ021>025-027>030-033>035-039>041-160000-
/O.CON.KLUB.FW.W.0018.000000T0000Z-211216T0000Z/
Parmer-Castro-Swisher-Briscoe-Hall-Bailey-Lamb-Hale-Floyd-Cochran-
Hockley-Lubbock-Yoakum-Terry-Lynn-
219 PM CST Wed Dec 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EXTREME
SOUTHERN TEXAS PANHANDLE AND SOUTH PLAINS...

* Wind...West-southwest 25 to 35 mph with gusts to 55 mph.

* Humidity...As low as 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 2:17 AM CSTHigh Wind WarningLUBCastro, Parmer, Swisher12 hr
Dec 15, 2:17 AM CSTWind AdvisoryLUBBailey, Briscoe, Castro, Childress, Cochran, Crosby and 11 more15 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.