Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 294, NWS Midland/Odessa, TX

July 11, 2021Jeff Davis County, Presidio County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jul 11, 2021, 6:59 PM CDT for Jeff Davis County, Presidio County, Texas. It was in force for 61 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: Jul 11, 2021, 6:59 PM CDT (23:59 UTC)
Expired: Jul 11, 2021, 8:00 PM CDT
In force: 61 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Jeff Davis County, TX, Presidio County, TX

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 12.0 hours before the alert went out and 256 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: 345 J/kg
Mixed-layer CIN: -353 J/kg
Mixed-layer LCL: 2381 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

148 
WUUS54 KMAF 112359
SVRMAF
TXC243-377-120100-
/O.NEW.KMAF.SV.W.0294.210711T2359Z-210712T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
659 PM CDT Sun Jul 11 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Southwestern Jeff Davis County in southwestern Texas...
  North central Presidio County in southwestern Texas...

* Until 800 PM CDT.

* At 658 PM CDT, a severe thunderstorm was located near Valentine, or
  30 miles northwest of Marfa, and is nearly stationary.

  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...
  Valentine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3060 10467 3066 10435 3046 10418 3037 10463
TIME...MOT...LOC 2358Z 299DEG 4KT 3058 10443 

HAIL...1.00IN
WIND...60MPH
 
$$

89

1 follow-up statement

644 
WWUS54 KMAF 120018
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
718 PM CDT Sun Jul 11 2021

TXC243-377-120100-
/O.CON.KMAF.SV.W.0294.000000T0000Z-210712T0100Z/
Jeff Davis TX-Presidio TX-
718 PM CDT Sun Jul 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTH CENTRAL JEFF DAVIS AND NORTH CENTRAL PRESIDIO COUNTIES...

At 717 PM CDT, a severe thunderstorm was located near Valentine, or
27 miles northwest of Marfa, moving southeast at 5 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...
Valentine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3058 10462 3063 10432 3046 10418 3037 10463
TIME...MOT...LOC 0017Z 329DEG 6KT 3052 10442 

HAIL...1.00IN
WIND...60MPH
 
$$

89

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 11:13 AM CDT	Special Weather Statement	MAF		47 min
Jul 11, 12:45 PM CDT	Special Weather Statement	MAF	Cochran	15 min
Jul 11, 4:07 PM CDT	Areal Flood Advisory	MAF	Borden, Dawson, Scurry	3 hr
Jul 11, 4:37 PM CDT	Special Weather Statement	MAF	Borden, Dawson, Scurry	38 min
Jul 11, 5:38 PM CDT	Special Weather Statement	MAF	Glasscock	52 min
Jul 11, 5:50 PM CDT	Special Weather Statement	MAF	Jeff Davis	40 min
Jul 11, 5:54 PM CDT	Areal Flood Advisory	MAF	Jeff Davis, Presidio	3 hr
Jul 11, 6:01 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis, Presidio	59 min
Jul 11, 6:04 PM CDT	Areal Flood Advisory	MAF	Glasscock	3 hr
Jul 11, 6:21 PM CDT	Flash Flood Warning	MAF	Glasscock	4 hr
Jul 11, 6:29 PM CDT	Flash Flood Warning	MAF	Jeff Davis	3 hr
Jul 11, 6:35 PM CDT	Severe Thunderstorm Warning	MAF	Presidio	55 min
Jul 11, 6:52 PM CDT	Special Weather Statement	MAF	Crane	38 min
Jul 11, 6:57 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Pecos, Ward	63 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.