Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 322, NWS Midland/Odessa, TX

October 21, 2021Brewster County, Jeff Davis County, Presidio County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 21, 2021, 3:36 PM CDT for Brewster County, Jeff Davis 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 21, 2021, 3:36 PM CDT (20:36 UTC)
Expired: Oct 21, 2021, 4:15 PM CDT
In force: 39 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Brewster County, TX, Jeff Davis County, TX, Presidio County, TX

The radar

The Midland/Odessa radar (KMAF), 227 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 227 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: 1076 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

535 
WUUS54 KMAF 212036
SVRMAF
TXC043-243-377-212115-
/O.NEW.KMAF.SV.W.0322.211021T2036Z-211021T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
336 PM CDT Thu Oct 21 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Northwestern Brewster County in southwestern Texas...
  Southeastern Jeff Davis County in southwestern Texas...
  Eastern Presidio County in southwestern Texas...

* Until 415 PM CDT.

* At 335 PM CDT, a severe thunderstorm was located over Camp Mitre
  Peak, or 7 miles southeast of Fort Davis, moving southeast at 15
  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...
  Alpine, Camp Mitre Peak, Alpine-Casparis Municipal Airport and
  Paisano Pass.

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 3050 10401 3064 10371 3038 10348 3021 10384
TIME...MOT...LOC 2035Z 334DEG 13KT 3052 10379 

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

$$

29

1 follow-up statement

424 
WWUS54 KMAF 212050
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
350 PM CDT Thu Oct 21 2021

TXC043-243-377-212115-
/O.CON.KMAF.SV.W.0322.000000T0000Z-211021T2115Z/
Brewster TX-Jeff Davis TX-Presidio TX-
350 PM CDT Thu Oct 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR NORTHWESTERN BREWSTER...SOUTHEASTERN JEFF DAVIS AND EASTERN
PRESIDIO COUNTIES...

At 350 PM CDT, a severe thunderstorm was located near Camp Mitre
Peak, or 9 miles northwest of Alpine, moving east at 15 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...
Alpine, Camp Mitre Peak, Alpine-Casparis Municipal Airport and
Paisano Pass.

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 3049 10400 3057 10375 3038 10348 3021 10384
TIME...MOT...LOC 2050Z 278DEG 12KT 3043 10380 

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

$$

29

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 21, 2:18 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	117 min
Oct 21, 2:28 PM CDT	Special Weather Statement	MAF	Jeff Davis	47 min
Oct 21, 2:39 PM CDT	Areal Flood Advisory	MAF	Brewster, Presidio	3 hr
Oct 21, 2:52 PM CDT	Flash Flood Warning	MAF	Jeff Davis	3 hr
Oct 21, 3:08 PM CDT	Special Weather Statement	MAF	Presidio	52 min
Oct 21, 3:09 PM CDT	Special Weather Statement	MAF		51 min
Oct 21, 3:30 PM CDT	Special Weather Statement	MAF		45 min
Oct 21, 3:38 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	52 min
Oct 21, 4:10 PM CDT	Areal Flood Advisory	MAF	Brewster	3 hr
Oct 21, 4:18 PM CDT	Special Weather Statement	MAF	Pecos	42 min
Oct 21, 4:27 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	48 min
Oct 21, 4:35 PM CDT	Flash Flood Warning	MAF	Brewster	3 hr
Oct 21, 4:49 PM CDT	Special Weather Statement	MAF	Presidio	41 min
Oct 21, 4:56 PM CDT	Special Weather Statement	MAF	Presidio	49 min
Oct 21, 5:13 PM CDT	Special Weather Statement	MAF	Brewster	47 min
Oct 21, 5:27 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Presidio	48 min
Oct 21, 5:34 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	41 min
Oct 21, 6:15 PM CDT	Special Weather Statement	MAF	Presidio	45 min
Oct 21, 6:24 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Presidio	29 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; radar from the NEXRAD Level II archive.