Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 3, NWS San Angelo, TX

December 10, 202114 counties in Texas

NWS San Angelo, TX issued this red flag warning at Dec 10, 2021, 3:47 AM CST for 14 counties in Texas. It took effect at Dec 10, 2021, 10:00 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
Dec 10, 2021, 3:47 AM CST (09:47 UTC)
In effect from
Dec 10, 2021, 10:00 AM CST
Expired
Dec 10, 2021, 6:00 PM CST
In force
8 hr
Issued by
NWS San Angelo, TX

Counties Callahan County, TX, Coke County, TX, Coleman County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Nolan County, TX, Runnels County, TX, Shackelford County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 9.8 hours before the alert went out and 205 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, Midland Regional, TX at 00:00Z on 2021-12-10Temperature 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, Midland Regional, TX at 00:00Z on 2021-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
4199 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

090 
WWUS84 KSJT 100947
RFWSJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Angelo TX
347 AM CST Fri Dec 10 2021

TXZ076-101100-
/O.CAN.KSJT.FW.A.0002.211210T1600Z-211211T0000Z/
Crockett-
347 AM CST Fri Dec 10 2021

...FIRE WEATHER WATCH IS CANCELLED FOR the Big Country, portions
of the Concho Valley and Crockett County FOR 20 FOOT WINDS OF 20 
MPH OR MORE...and A HIGH FIRE DANGER...

The National Weather Service in San Angelo has cancelled the Fire
Weather Watch.

$$

TXZ049-054-064>066-071-072-098-099-113-114-127-128-101800-
/O.UPG.KSJT.FW.A.0002.211210T1600Z-211211T0000Z/
/O.NEW.KSJT.FW.W.0003.211210T1600Z-211211T0000Z/
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Haskell-
Throckmorton-Jones-Shackelford-Taylor-Callahan-
347 AM CST Fri Dec 10 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING FOR the Big Country and portions of the Concho Valley
fOR 20 FOOT WINDS OF 20 MPH OR MORE...AND A HIGH FIRE DANGER...

The National Weather Service in San Angelo has issued a Red Flag
Warning, which is in effect from 10 AM this morning to 6 PM CST
this evening. The Fire Weather Watch is no longer in effect. 

* Wind...SOUTHWEST TO WEST AT 15 TO 25 MPH, GUSTS TO 40 MPH

* Humidity...20 TO 25 PERCENT

* Fuels...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 either occurring now or will occur shortly. A combination of
strong winds, low humidity and dry fuels will contribute to
extreme fire behavior.

&&

$$

TXZ139-101800-
/O.NEW.KSJT.FW.W.0003.211210T1600Z-211211T0000Z/
Coleman-
347 AM CST Fri Dec 10 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING FOR Coleman County FOR 20 FOOT WINDS OF 20 MPH OR 
MORE...AND A HIGH FIRE DANGER...

The National Weather Service in San Angelo has issued a Red Flag
Warning, which is in effect from 10 AM this morning to 6 PM CST
this evening. 

* Wind...SOUTHWEST TO WEST AT 15 TO 25 MPH, GUSTS TO 40 MPH

* Humidity...20 TO 25 PERCENT

* Fuels...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 either occurring now or will occur shortly. A combination of
strong winds, low humidity and dry fuels will contribute to
extreme fire behavior.

&&

$$
1 follow-up statement
518 
WWUS84 KSJT 102035
RFWSJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Angelo TX
235 PM CST Fri Dec 10 2021

TXZ049-054-064>066-071-072-098-099-113-114-127-128-139-110000-
/O.CON.KSJT.FW.W.0003.000000T0000Z-211211T0000Z/
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Haskell-
Throckmorton-Jones-Shackelford-Taylor-Callahan-Coleman-
235 PM CST Fri Dec 10 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR COLEMAN COUNTY FOR 20 FOOT WINDS OF 20 MPH OR MORE...AND A
HIGH FIRE DANGER...

* Wind...SOUTHWEST TO WEST AT 15 TO 25 MPH, GUSTS TO 40 MPH

* Humidity...15 TO 25 PERCENT

* Fuels...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 either occurring now or will occur shortly. A combination of
strong winds, low humidity and dry fuels will contribute to
extreme fire behavior.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 8:42 AM CSTWind AdvisorySJTCallahan, Coke, Fisher, Haskell, Irion, Jones and 7 more9 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.