Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 85, NWS Midland/Odessa, TX

May 17, 2021Glasscock County, Howard County, Mitchell County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 17, 2021, 6:12 PM CDT for Glasscock County, Howard County, Mitchell County, Texas. It was in force for 63 min. 2 reports 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
May 17, 2021, 6:12 PM CDT (23:12 UTC)
Expired
May 17, 2021, 7:15 PM CDT
In force
63 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
2.75 in
Wind
60.0 mph

Counties Glasscock County, TX, Howard County, TX, Mitchell County, TX

What was reported inside it

TimeReportWhereRemark
May 17, 6:15 PM CDTHAIL 2.75Forsan, TX
May 17, 6:20 PM CDTHAIL 4.254 Nw Forsan, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 17, 3:04 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.2 hours before the alert went out and 85 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, Midland Regional, TX at 12:00Z on 2021-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1892 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2021-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
1892 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
750 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.7

Open this sounding in Storm Lab

The text

As transmitted.

637 
WUUS54 KMAF 172312
SVRMAF
TXC173-227-335-180015-
/O.NEW.KMAF.SV.W.0085.210517T2312Z-210518T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
612 PM CDT Mon May 17 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Glasscock County in western Texas...
  Southwestern Mitchell County in western Texas...
  Southern Howard County in western Texas...

* Until 715 PM CDT.

* At 612 PM CDT, a severe thunderstorm was located near Forsan, or
  near Big Spring, moving east at 20 mph.

  This is a very dangerous storm.

  HAZARD...Baseball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be severely injured. 
           Expect shattered windows, extensive damage to roofs, 
           siding, and vehicles.

* Locations impacted include...
  Big Spring, Forsan, Lomax, Big Spring Country Club, Elbow and Big
  Spring McMahon-Wrinkle Airpark.

This includes Interstate 20 between mile markers 165 and 174.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for western
Texas.

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

&&

LAT...LON 3209 10113 3209 10126 3200 10127 3207 10169
      3222 10166 3229 10110
TIME...MOT...LOC 2312Z 268DEG 17KT 3215 10145 

HAIL...2.75IN
WIND...60MPH
 
$$

87
2 follow-up statements
501 
WWUS54 KMAF 172327
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
627 PM CDT Mon May 17 2021

TXC173-227-335-180015-
/O.CON.KMAF.SV.W.0085.000000T0000Z-210518T0015Z/
Glasscock TX-Mitchell TX-Howard TX-
627 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHEASTERN GLASSCOCK...SOUTHWESTERN MITCHELL AND SOUTHERN
HOWARD COUNTIES...

At 627 PM CDT, a severe thunderstorm was located over Forsan, or 8
miles southeast of Big Spring, moving east at 20 mph.

This is a very dangerous storm.

HAZARD...Three inch hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be severely injured. 
         Expect shattered windows, extensive damage to roofs, 
         siding, and vehicles.

Locations impacted include...
Big Spring, Forsan, Lomax, Big Spring Country Club, Elbow and Big
Spring McMahon-Wrinkle Airpark.

This includes Interstate 20 between mile markers 165 and 174.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for western
Texas.

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

&&

LAT...LON 3209 10113 3209 10126 3200 10127 3207 10169
      3222 10166 3229 10110
TIME...MOT...LOC 2327Z 268DEG 17KT 3215 10136 

HAIL...3.00IN
WIND...60MPH
 
$$

87
716 
WWUS54 KMAF 172340
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
640 PM CDT Mon May 17 2021

TXC173-227-335-180015-
/O.CON.KMAF.SV.W.0085.000000T0000Z-210518T0015Z/
Glasscock TX-Mitchell TX-Howard TX-
640 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHEASTERN GLASSCOCK...SOUTHWESTERN MITCHELL AND SOUTHEASTERN
HOWARD COUNTIES...

At 640 PM CDT, a severe thunderstorm was located near Forsan, or 12
miles southeast of Big Spring, moving east at 20 mph.

This is a very dangerous storm.

HAZARD...Three inch hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be severely injured. 
         Expect shattered windows, extensive damage to roofs, 
         siding, and vehicles.

Locations impacted include...
Big Spring, Forsan, Big Spring Country Club, Elbow and Big Spring
McMahon-Wrinkle Airpark.

This includes Interstate 20 between mile markers 174 and 175.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for western
Texas.

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

&&

LAT...LON 3209 10113 3209 10126 3200 10127 3204 10153
      3224 10154 3229 10110
TIME...MOT...LOC 2340Z 268DEG 17KT 3215 10129 

HAIL...3.00IN
WIND...60MPH
 
$$

87

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:01 PM CDTSevere Thunderstorm WarningMAFUpton44 min
May 16, 7:18 PM CDTSpecial Weather StatementMAFGlasscock42 min
May 16, 7:20 PM CDTSpecial Weather StatementMAFHoward40 min
May 16, 7:23 PM CDTSevere Thunderstorm WarningMAFGlasscock, Reagan52 min
May 16, 7:28 PM CDTSpecial Weather StatementMAFHoward47 min
May 16, 7:29 PM CDTSevere Thunderstorm WarningMAFPecos61 min
May 16, 7:37 PM CDTSevere Thunderstorm WarningMAFHoward, Mitchell38 min
May 16, 7:46 PM CDTAreal Flood AdvisoryMAFGlasscock, Reagan3 hr
May 16, 8:12 PM CDTSpecial Weather StatementMAFScurry18 min
May 16, 8:13 PM CDTSevere Thunderstorm WarningMAFMitchell, Scurry47 min
May 16, 8:15 PM CDTSpecial Weather StatementMAFGlasscock45 min
May 16, 8:31 PM CDTSpecial Weather StatementMAFScurry44 min
May 16, 8:40 PM CDTSevere Thunderstorm WarningMAFBorden, Mitchell, Scurry44 min
May 16, 9:12 PM CDTSpecial Weather StatementMAFMitchell48 min
May 17, 3:11 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell64 min
May 17, 4:04 PM CDTSpecial Weather StatementMAFGlasscock41 min
May 17, 4:11 PM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Martin, Midland64 min
May 17, 4:14 PM CDTSpecial Weather StatementMAFPecos46 min
May 17, 4:32 PM CDTSpecial Weather StatementMAFMidland43 min
May 17, 4:43 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Howard, Martin, Midland62 min
May 17, 4:58 PM CDTSpecial Weather StatementMAFTerrell47 min
May 17, 5:14 PM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Mitchell61 min
May 17, 5:19 PM CDTSpecial Weather StatementMAFTerry26 min
May 17, 5:21 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell54 min
May 17, 5:44 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Howard, Martin61 min
May 17, 5:47 PM CDTSpecial Weather StatementMAFMitchell13 min
May 17, 6:02 PM CDTSevere Thunderstorm WarningMAFMitchell28 min
May 17, 6:08 PM CDTSpecial Weather StatementMAFScurry52 min
May 17, 6:11 PM CDTSevere Thunderstorm WarningMAFTerrell19 min
May 17, 6:16 PM CDTSpecial Weather StatementMAFMartin44 min
May 17, 6:23 PM CDTSevere Thunderstorm WarningMAFMitchell, Scurry67 min
May 17, 6:31 PM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Martin, Midland59 min
May 17, 6:35 PM CDTTornado WarningMAFGlasscock, Howard, Mitchell40 min
May 17, 6:40 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson35 min
May 17, 6:52 PM CDTFlash Flood WarningMAFHoward3 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.