Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 78, NWS Midland/Odessa, TX

May 17, 20214 counties in Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 17, 2021, 4:11 PM CDT for 4 counties in Texas. It was in force for 64 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, 4:11 PM CDT (21:11 UTC)
Expired
May 17, 2021, 5:15 PM CDT
In force
64 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Glasscock County, TX, Howard County, TX, Martin County, TX, Midland County, TX

What was reported inside it

TimeReportWhereRemark
May 17, 4:28 PM CDTHAIL 2.54 Se Stanton, TXSPOTTER REPORTED 2 1/2 INCH HAIL S OF STANTON ON HWY 137.
May 17, 4:51 PM CDTHAIL 2.51 Nw Stanton, TXSPOTTER REPORT OF 2 1/2 INCH HAIL 1 NW STANTON.

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, 9.2 hours before the alert went out and 71 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.

145 
WUUS54 KMAF 172111
SVRMAF
TXC173-227-317-329-172215-
/O.NEW.KMAF.SV.W.0078.210517T2111Z-210517T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
411 PM CDT Mon May 17 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Northern Glasscock County in western Texas...
  Northeastern Midland County in western Texas...
  Southwestern Howard County in western Texas...
  Southeastern Martin County in western Texas...

* Until 515 PM CDT.

* At 410 PM CDT, a severe thunderstorm was located 7 miles east of
  Greenwood, moving northeast at 30 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...
  Big Spring, Greenwood, Stanton, Forsan, Lomax, Big Spring Country
  Club, Big Spring McMahon-Wrinkle Airpark and Elbow.

This includes Interstate 20 between mile markers 145 and 183.
 
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 10126 3195 10127 3189 10175 3205 10199
      3238 10149 3209 10121
TIME...MOT...LOC 2110Z 247DEG 30KT 3200 10177 

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

87
4 follow-up statements
137 
WWUS54 KMAF 172124
SVSMAF

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

TXC173-227-317-329-172215-
/O.CON.KMAF.SV.W.0078.000000T0000Z-210517T2215Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
424 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN GLASSCOCK...NORTHEASTERN MIDLAND...SOUTHWESTERN HOWARD
AND SOUTHEASTERN MARTIN COUNTIES...

At 424 PM CDT, a severe thunderstorm was located near Lomax, or 14
miles east of Greenwood, moving northeast at 30 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...
Big Spring, Greenwood, Stanton, Forsan, Lomax, Big Spring Country
Club, Big Spring McMahon-Wrinkle Airpark and Elbow.

This includes Interstate 20 between mile markers 145 and 183.
 
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 10126 3195 10127 3194 10179 3205 10199
      3238 10149 3209 10121
TIME...MOT...LOC 2124Z 247DEG 30KT 3205 10164 

HAIL...1.75IN
WIND...60MPH
 
$$

87
853 
WWUS54 KMAF 172129 CCA
SVSMAF

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

TXC173-227-317-329-172215-
/O.COR.KMAF.SV.W.0078.000000T0000Z-210517T2215Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
429 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN GLASSCOCK...NORTHEASTERN MIDLAND...SOUTHWESTERN HOWARD
AND SOUTHEASTERN MARTIN COUNTIES...

At 428 PM CDT, a severe thunderstorm was located near Lomax, or 15 
miles northwest of Garden City, moving northeast at 35 mph. Spotters 
reporting tennis ball sized hail southwest of Stanton.

This is a very dangerous storm.

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

SOURCE...Trained weather spotters.

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

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

This includes Interstate 20 between mile markers 145 and 183.
 
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 10126 3195 10127 3194 10179 3205 10199
      3238 10149 3209 10121
TIME...MOT...LOC 2124Z 247DEG 30KT 3205 10164 

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

87
477 
WWUS54 KMAF 172137
SVSMAF

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

TXC173-227-317-329-172215-
/O.CON.KMAF.SV.W.0078.000000T0000Z-210517T2215Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
437 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN GLASSCOCK...NORTHEASTERN MIDLAND...SOUTHWESTERN
HOWARD AND SOUTHEASTERN MARTIN COUNTIES...

At 437 PM CDT, a severe thunderstorm was located 7 miles east of
Lomax, or 10 miles south of Big Spring, moving northeast at 35 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, Stanton, Forsan, Lomax, Big Spring Country Club, Big
Spring McMahon-Wrinkle Airpark and Elbow.

This includes Interstate 20 between mile markers 151 and 183.
 
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 10126 3206 10135 3198 10171 3210 10191
      3211 10190 3238 10149 3209 10121
TIME...MOT...LOC 2137Z 247DEG 30KT 3209 10152 

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

87
995 
WWUS54 KMAF 172201
SVSMAF

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

TXC173-227-317-329-172215-
/O.CON.KMAF.SV.W.0078.000000T0000Z-210517T2215Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
501 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN GLASSCOCK...NORTHEASTERN MIDLAND...SOUTHWESTERN
HOWARD AND SOUTHEASTERN MARTIN COUNTIES...

At 501 PM CDT, a severe thunderstorm was located near Forsan, or 11
miles southeast of Big Spring, moving north-northeast at 35 mph.

HAZARD...Two inch 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...
Big Spring, Stanton, Lomax, Big Spring Country Club, Elbow and Big
Spring McMahon-Wrinkle Airpark.

This includes Interstate 20 between mile markers 151 and 183.
 
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 3211 10138 3203 10179 3210 10191 3211 10190
      3238 10149 3222 10134
TIME...MOT...LOC 2201Z 247DEG 30KT 3217 10130 

HAIL...2.00IN
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, 4:14 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, 6:12 PM CDTSevere Thunderstorm WarningMAFGlasscock, Howard, Mitchell63 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.