Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 1, NWS San Angelo, TX

March 29, 20216 counties in Texas

NWS San Angelo, TX issued this red flag warning at Mar 29, 2021, 1:17 PM CDT for 6 counties in Texas. It was in force for 6 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 29, 2021, 1:17 PM CDT (18:17 UTC)
Expired
Mar 29, 2021, 7:00 PM CDT
In force
6 hr
Issued by
NWS San Angelo, TX

Counties Coke County, TX, Fisher County, TX, Haskell County, TX, Jones County, TX, Nolan County, TX, Sterling County, TX

The radar

The Dyess AFB radar (KDYX), 102 km from the middle of the area, began a volume at 18:22 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.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 6.3 hours before the alert went out and 184 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 12:00Z on 2021-03-29Temperature 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 12:00Z on 2021-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
2818 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

869 
WWUS84 KSJT 291817
RFWSJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Angelo TX
117 PM CDT Mon Mar 29 2021

TXZ049-054-064-065-098-113-300000-
/O.NEW.KSJT.FW.W.0001.210329T1817Z-210330T0000Z/
Fisher-Nolan-Sterling-Coke-Haskell-Jones-
117 PM CDT Mon Mar 29 2021

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
HASKELL...FISHER...JONES...NOLAN...COKE...STERLING COUNTIES...

The National Weather Service in San Angelo has issued a Red Flag
Warning, which is in effect until 7 PM CDT this evening. 

* Wind...South at 18 to 22 mph with gusts 28 to 32 mph.   

* Humidity...15 to 20 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.

&&

$$

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.