Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 17, NWS Lubbock, TX

December 12, 20219 counties in Texas

NWS Lubbock, TX issued this red flag warning at Dec 12, 2021, 2:34 AM CST for 9 counties in Texas. It took effect at Dec 12, 2021, 12:00 PM CST. It was in force for 5 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
Dec 12, 2021, 2:34 AM CST (08:34 UTC)
In effect from
Dec 12, 2021, 12:00 PM CST
Expired
Dec 12, 2021, 5:00 PM CST
In force
5 hr
Issued by
NWS Lubbock, TX

Counties Briscoe County, TX, Castro County, TX, Childress County, TX, Cottle County, TX, Floyd County, TX, Hall County, TX, Motley County, TX, Parmer County, TX, Swisher County, TX

The radar

The Lubbock radar (KLBB), 96 km from the middle of the area, began a volume at 08:37 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, 8.6 hours before the alert went out and 103 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 2021-12-12Temperature 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 2021-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
3885 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
399 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

403 
WWUS84 KLUB 120834
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
234 AM CST Sun Dec 12 2021

TXZ021>026-030-031-122300-
/O.UPG.KLUB.FW.A.0016.211212T1800Z-211213T0000Z/
/O.NEW.KLUB.FW.W.0017.211212T1800Z-211212T2300Z/
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Floyd-Motley-
234 AM CST Sun Dec 12 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
EXTREME SOUTHERN TEXAS PANHANDLE AND NORTHEASTERN ROLLING PLAINS...

The National Weather Service in Lubbock has issued a Red Flag
Warning, which is in effect from noon today to 5 PM CST this
afternoon. The Fire Weather Watch is no longer in effect. 

* Wind...Southwest at 20 mph with gusts up to 30 mph.

* Humidity...As low as 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.

&&

$$

TXZ032-122300-
/O.NEW.KLUB.FW.W.0017.211212T1800Z-211212T2300Z/
Cottle-
234 AM CST Sun Dec 12 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR EXTREME
SOUTHERN TEXAS PANHANDLE AND NORTHEASTERN ROLLING PLAINS...

The National Weather Service in Lubbock has issued a Red Flag
Warning, which is in effect from noon today to 5 PM CST this
afternoon. 

* Wind...Southwest at 20 mph with gusts up to 30 mph.

* Humidity...As low as 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.

&&

$$

Sincavage
2 follow-up statements
098 
WWUS84 KLUB 121705
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
1105 AM CST Sun Dec 12 2021

TXZ021>026-030>032-122300-
/O.CON.KLUB.FW.W.0017.211212T1800Z-211212T2300Z/
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Floyd-Motley-Cottle-
1105 AM CST Sun Dec 12 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
EXTREME SOUTHERN TEXAS PANHANDLE AND NORTHEASTERN ROLLING
PLAINS...

* Wind...Southwest 20 to 25 mph with gusts to 35 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.

&&

$$
826 
WWUS84 KLUB 122256
RFWLUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lubbock TX
456 PM CST Sun Dec 12 2021

TXZ021>026-030>032-130000-
/O.EXP.KLUB.FW.W.0017.000000T0000Z-211212T2300Z/
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Floyd-Motley-Cottle-
456 PM CST Sun Dec 12 2021

...RED FLAG WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EXTREME SOUTHERN 
TEXAS PANHANDLE AND NORTHEASTERN ROLLING PLAINS...

While relative humidity values are currently in the 10 to 15 
percent range, wind speeds have fallen below Red Flag criteria at
the 20-foot level and will continue to weaken through the evening
hours. Therefore, the Red Flag Warning will expire at 5 PM CST.

$$

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.