Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 313, NWS Midland/Odessa, TX

September 30, 2021Brewster County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 30, 2021, 3:31 PM CDT for Brewster County, Texas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 30, 2021, 3:31 PM CDT (20:31 UTC)
Expired
Sep 30, 2021, 4:15 PM CDT
In force
44 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Brewster County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 30, 12:44 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.5 hours before the alert went out and 258 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 2021-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1726 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
1726 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

076 
WUUS54 KMAF 302031
SVRMAF
TXC043-302115-
/O.NEW.KMAF.SV.W.0313.210930T2031Z-210930T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
331 PM CDT Thu Sep 30 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  West central Brewster County in southwestern Texas...

* Until 415 PM CDT.

* At 331 PM CDT, a severe thunderstorm was located 29 miles northwest
  of Persimmon Gap, or 32 miles south of Alpine, moving northeast at
  20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Elephant Mountain and Elephant Mountain Wildlife Management Area
  and US HWY 118. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2976 10358 2995 10376 3024 10348 2993 10320
TIME...MOT...LOC 2031Z 223DEG 16KT 2989 10360 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

24
1 follow-up statement
218 
WWUS54 KMAF 302053
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
353 PM CDT Thu Sep 30 2021

TXC043-302115-
/O.CON.KMAF.SV.W.0313.000000T0000Z-210930T2115Z/
Brewster TX-
353 PM CDT Thu Sep 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR WEST CENTRAL BREWSTER COUNTY...

At 353 PM CDT, a severe thunderstorm was located 24 miles southwest
of Marathon, or 30 miles south of Alpine, moving northeast at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Elephant Mountain and Elephant Mountain Wildlife Management Area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2979 10352 3006 10366 3024 10348 2993 10320
TIME...MOT...LOC 2053Z 231DEG 16KT 2994 10350 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

24

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 30, 10:17 AM CDTSpecial Weather StatementMAFGaines43 min
Sep 30, 10:33 AM CDTSpecial Weather StatementMAFAndrews42 min
Sep 30, 10:51 AM CDTSevere Thunderstorm WarningMAFAndrews24 min
Sep 30, 11:13 AM CDTSevere Thunderstorm WarningMAFAndrews, Dawson, Gaines, Martin47 min
Sep 30, 12:09 PM CDTSpecial Weather StatementMAFMartin36 min
Sep 30, 12:22 PM CDTSevere Thunderstorm WarningMAFHoward, Martin53 min
Sep 30, 1:14 PM CDTSevere Thunderstorm WarningMAFHoward, Mitchell46 min
Sep 30, 1:43 PM CDTSpecial Weather StatementMAFJeff Davis47 min
Sep 30, 1:46 PM CDTSpecial Weather StatementMAF44 min
Sep 30, 1:53 PM CDTSevere Thunderstorm WarningMAFJeff Davis, Presidio52 min
Sep 30, 1:59 PM CDTSevere Thunderstorm WarningMAFBorden, Howard, Mitchell, Scurry61 min
Sep 30, 2:29 PM CDTSpecial Weather StatementMAFPecos46 min
Sep 30, 2:46 PM CDTSpecial Weather StatementMAFJeff Davis44 min
Sep 30, 2:50 PM CDTSpecial Weather StatementMAFBrewster40 min
Sep 30, 2:54 PM CDTAreal Flood AdvisoryMAFHoward, Mitchell3 hr
Sep 30, 3:09 PM CDTAreal Flood AdvisoryMAFMitchell, Scurry3 hr
Sep 30, 3:12 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell63 min
Sep 30, 3:14 PM CDTAreal Flood AdvisoryMAFJeff Davis3 hr
Sep 30, 3:28 PM CDTSpecial Weather StatementMAF47 min
Sep 30, 3:37 PM CDTSpecial Weather StatementMAF53 min
Sep 30, 4:03 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos57 min
Sep 30, 4:10 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell65 min
Sep 30, 4:14 PM CDTSpecial Weather StatementMAFGlasscock46 min
Sep 30, 4:34 PM CDTSpecial Weather StatementMAFBrewster41 min
Sep 30, 4:53 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell52 min
Sep 30, 4:56 PM CDTAreal Flood AdvisoryMAFPecos, Terrell3 hr
Sep 30, 5:21 PM CDTSpecial Weather StatementMAFTerrell39 min
Sep 30, 6:41 PM CDTSpecial Weather StatementMAFTerrell34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm 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.