Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 320, NWS Midland/Odessa, TX

October 1, 2021Brewster County, Presidio County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 1, 2021, 6:07 PM CDT for Brewster County, Presidio County, Texas. It was in force for 39 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: Oct 1, 2021, 6:07 PM CDT (23:07 UTC)
Expired: Oct 1, 2021, 6:46 PM CDT
In force: 39 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Brewster County, TX, Presidio County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.1 hours before the alert went out and 250 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 133 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 574 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: -13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

020 
WUUS54 KMAF 012307
SVRMAF
TXC043-377-020000-
/O.NEW.KMAF.SV.W.0320.211001T2307Z-211002T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
607 PM CDT Fri Oct 1 2021

The National Weather Service in Midland has issued a

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

* Until 700 PM CDT.

* At 607 PM CDT, a severe thunderstorm was located 17 miles south of
  Alpine, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts and half dollar 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.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3012 10387 3025 10380 3016 10340 2988 10360
TIME...MOT...LOC 2307Z 298DEG 19KT 3013 10375 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

29

3 follow-up statements

133 
WWUS54 KMAF 012315
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
615 PM CDT Fri Oct 1 2021

TXC377-012325-
/O.CAN.KMAF.SV.W.0320.000000T0000Z-211002T0000Z/
Presidio TX-
615 PM CDT Fri Oct 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PRESIDIO COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3008 10380 3024 10377 3016 10340 2988 10360
TIME...MOT...LOC 2315Z 298DEG 19KT 3011 10371 

$$

TXC043-020000-
/O.CON.KMAF.SV.W.0320.000000T0000Z-211002T0000Z/
Brewster TX-
615 PM CDT Fri Oct 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR WEST CENTRAL BREWSTER COUNTY...

At 615 PM CDT, a severe thunderstorm was located 17 miles south of
Alpine, moving southeast at 20 mph.

HAZARD...60 mph wind gusts and half dollar 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.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3008 10380 3024 10377 3016 10340 2988 10360
TIME...MOT...LOC 2315Z 298DEG 19KT 3011 10371 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

29

855 
WWUS54 KMAF 012328
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
628 PM CDT Fri Oct 1 2021

TXC043-020000-
/O.CON.KMAF.SV.W.0320.000000T0000Z-211002T0000Z/
Brewster TX-
628 PM CDT Fri Oct 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR WEST CENTRAL BREWSTER COUNTY...

At 628 PM CDT, a severe thunderstorm was located 19 miles south of
Alpine, moving southeast 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.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3007 10376 3017 10368 3016 10340 2988 10360
TIME...MOT...LOC 2328Z 298DEG 19KT 3008 10364 

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

$$

29

033 
WWUS54 KMAF 012346
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
646 PM CDT Fri Oct 1 2021

TXC043-012356-
/O.CAN.KMAF.SV.W.0320.000000T0000Z-211002T0000Z/
Brewster TX-
646 PM CDT Fri Oct 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BREWSTER COUNTY
IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3007 10376 3017 10368 3016 10340 2988 10360
TIME...MOT...LOC 2345Z 298DEG 19KT 3003 10354 

$$

29

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 30, 7:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MAF	Terrell	32 min
Sep 30, 7:51 PM CDT	Special Weather Statement	MAF	Terrell	39 min
Sep 30, 8:12 PM CDT	Special Weather Statement	MAF	Jeff Davis	48 min
Oct 1, 5:38 PM CDT	Special Weather Statement	MAF	Presidio	52 min
Oct 1, 5:50 PM CDT	Special Weather Statement	MAF	Terrell	40 min
Oct 1, 5:53 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Presidio	16 min
Oct 1, 6:18 PM CDT	Special Weather Statement	MAF	Yoakum	57 min
Oct 1, 6:30 PM CDT	Special Weather Statement	MAF	Terrell	30 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every 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.