Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 328, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 21, 2021, 8:08 PM CDT for Brewster County, Texas. It was in force for 52 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 21, 2021, 8:08 PM CDT (01:08 UTC)
- Expired
- Oct 21, 2021, 9:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Brewster County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 21, 8:18 PM CDT | TSTM WND GST 67 | Castolon, TX | CASTOLON MESONET MEASURED A 67 MPH WIND GUST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.1 hours before the alert went out and 228 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.
- Mixed-layer CAPE
- 2296 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1171 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted.
336
WUUS54 KMAF 220108
SVRMAF
TXC043-220200-
/O.NEW.KMAF.SV.W.0328.211022T0108Z-211022T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
808 PM CDT Thu Oct 21 2021
The National Weather Service in Midland has issued a
* Severe Thunderstorm Warning for...
Southwestern Brewster County in southwestern Texas...
* Until 900 PM CDT.
* At 807 PM CDT, a severe thunderstorm was located near Castolon, or
14 miles southeast of Lajitas, moving southeast at 15 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Panther Junction, Chisos Basin, Study Butte, Castolon, Big Bend
National Park, Terlingua, Terlingua Ranch Lodge and Terlingua Ranch
Airport.
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 2899 10327 2898 10328 2903 10331 2902 10334
2904 10333 2902 10336 2904 10343 2916 10355
2919 10371 2941 10365 2958 10277 2945 10283
2940 10281 2935 10288 2926 10291 2922 10287
2917 10300 2910 10303 2906 10310 2898 10312
TIME...MOT...LOC 0107Z 314DEG 11KT 2917 10357
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
292 follow-up statements
363
WWUS54 KMAF 220122
SVSMAF
Severe Weather Statement
National Weather Service Midland/Odessa TX
822 PM CDT Thu Oct 21 2021
TXC043-220200-
/O.CON.KMAF.SV.W.0328.000000T0000Z-211022T0200Z/
Brewster TX-
822 PM CDT Thu Oct 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHWESTERN BREWSTER COUNTY...
At 822 PM CDT, severe thunderstorms were located over Castolon, or
16 miles southeast of Lajitas, and near Boquillas and nearly
stationary.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Panther Junction, Chisos Basin, Terlingua, Study Butte, Castolon and
Big Bend National Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2899 10327 2898 10328 2903 10331 2902 10334
2904 10333 2902 10336 2904 10343 2916 10355
2919 10371 2935 10364 2958 10277 2945 10283
2940 10281 2935 10288 2926 10291 2922 10287
2917 10300 2910 10303 2906 10310 2898 10312
TIME...MOT...LOC 0122Z 314DEG 11KT 2914 10353
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
29581
WWUS54 KMAF 220145
SVSMAF
Severe Weather Statement
National Weather Service Midland/Odessa TX
845 PM CDT Thu Oct 21 2021
TXC043-220200-
/O.CON.KMAF.SV.W.0328.000000T0000Z-211022T0200Z/
Brewster TX-
845 PM CDT Thu Oct 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL BREWSTER COUNTY...
At 844 PM CDT, a severe thunderstorm was located 9 miles north of
Boquillas Canyon, or 18 miles east of Panther Junction, moving east
at 5 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Panther Junction, Big Bend National Park and Chisos Basin.
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 2899 10327 2898 10328 2903 10331 2902 10334
2904 10333 2902 10336 2904 10343 2920 10348
2941 10337 2958 10277 2945 10283 2940 10281
2935 10288 2926 10291 2922 10287 2917 10300
2910 10303 2906 10310 2898 10312
TIME...MOT...LOC 0144Z 273DEG 9KT 2933 10290
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
29The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 7:09 PM CDT | Special Weather Statement | MAF | Brewster | 51 min |
| Oct 21, 7:11 PM CDT | Special Weather Statement | MAF | 49 min | |
| Oct 21, 7:58 PM CDT | Areal Flood Advisory | MAF | Brewster, Presidio | 3 hr |
| Oct 21, 8:01 PM CDT | Special Weather Statement | MAF | Brewster | 44 min |
| Oct 21, 8:25 PM CDT | Flash Flood Warning | MAF | Brewster | 3 hr |
| Oct 21, 10:52 PM CDT | River Flood Warning | MAF | Brewster | 3 hr |
| Oct 22, 6:07 AM CDT | Dense Fog Advisory | MAF | Andrews, Gaines | 4 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.