Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 291, 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, 6:01 PM CDT for Jeff Davis County, Presidio County, Texas. It was in force for 59 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, 6:01 PM CDT (23:01 UTC)
Expired
Jul 11, 2021, 7:00 PM CDT
In force
59 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, 11.0 hours before the alert went out and 252 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, Santa Teresa, NM at 12:00Z on 2021-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 345 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, Santa Teresa, NM at 12:00Z on 2021-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
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.

911 
WUUS54 KMAF 112301
SVRMAF
TXC243-377-120000-
/O.NEW.KMAF.SV.W.0291.210711T2301Z-210712T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
601 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...
  Northwestern Presidio County in southwestern Texas...

* Until 700 PM CDT.

* At 601 PM CDT, a severe thunderstorm was located over Valentine, or
  33 miles northwest of Marfa, moving southwest 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.

&&

LAT...LON 3068 10446 3056 10435 3044 10451 3053 10463
      3064 10467
TIME...MOT...LOC 2301Z 059DEG 5KT 3060 10448 

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

89
1 follow-up statement
125 
WWUS54 KMAF 112337
SVSMAF

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

TXC243-377-120000-
/O.CON.KMAF.SV.W.0291.000000T0000Z-210712T0000Z/
Jeff Davis TX-Presidio TX-
637 PM CDT Sun Jul 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN JEFF DAVIS AND NORTHWESTERN PRESIDIO COUNTIES...

At 636 PM CDT, a severe thunderstorm was located near Valentine, or
30 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 3065 10444 3056 10435 3044 10451 3053 10463
      3059 10465
TIME...MOT...LOC 2336Z 323DEG 4KT 3057 10444 

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

89

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 11:13 AM CDTSpecial Weather StatementMAF47 min
Jul 11, 12:45 PM CDTSpecial Weather StatementMAFCochran15 min
Jul 11, 4:07 PM CDTAreal Flood AdvisoryMAFBorden, Dawson, Scurry3 hr
Jul 11, 4:37 PM CDTSpecial Weather StatementMAFBorden, Dawson, Scurry38 min
Jul 11, 5:38 PM CDTSpecial Weather StatementMAFGlasscock52 min
Jul 11, 5:50 PM CDTSpecial Weather StatementMAFJeff Davis40 min
Jul 11, 5:54 PM CDTAreal Flood AdvisoryMAFJeff Davis, Presidio3 hr
Jul 11, 6:04 PM CDTAreal Flood AdvisoryMAFGlasscock3 hr
Jul 11, 6:21 PM CDTFlash Flood WarningMAFGlasscock4 hr
Jul 11, 6:29 PM CDTFlash Flood WarningMAFJeff Davis3 hr
Jul 11, 6:35 PM CDTSevere Thunderstorm WarningMAFPresidio55 min
Jul 11, 6:52 PM CDTSpecial Weather StatementMAFCrane38 min
Jul 11, 6:57 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Ward63 min
Jul 11, 6:59 PM CDTSevere Thunderstorm WarningMAFJeff Davis, Presidio61 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.