Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 87, NWS Midland/Odessa, TX

May 17, 20214 counties in Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 17, 2021, 6:31 PM CDT for 4 counties in Texas. It was in force for 59 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, 6:31 PM CDT (23:31 UTC)
Expired
May 17, 2021, 7:30 PM CDT
In force
59 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
1.25 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, 6:46 PM CDTHAIL 1Greenwood, TX
May 17, 6:52 PM CDTHAIL 25 Ne Midland, TX2 INCH SIZE HAIL NE OF MIDLAND

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, 11.5 hours before the alert went out and 27 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.

009 
WUUS54 KMAF 172331
SVRMAF
TXC173-227-317-329-180030-
/O.NEW.KMAF.SV.W.0087.210517T2331Z-210518T0030Z/

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

The National Weather Service in Midland has issued a

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

* Until 730 PM CDT.

* At 631 PM CDT, a severe thunderstorm was located over Midland,
  moving northeast at 45 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Midland, Greenwood, Stanton, Lomax, Midland International Air and
  Space Port, Courtney, Cotton Flat, Midland Airpark, Stanton
  Municipal Aiport and Spraberry.

This includes Interstate 20 between mile markers 129 and 173.
 
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 3187 10218 3207 10224 3244 10155 3195 10153
TIME...MOT...LOC 2331Z 245DEG 40KT 3201 10211 

HAIL...1.25IN
WIND...60MPH
 
$$

87
3 follow-up statements
175 
WWUS54 KMAF 172343
SVSMAF

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

TXC173-227-317-329-180030-
/O.CON.KMAF.SV.W.0087.000000T0000Z-210518T0030Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
643 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN GLASSCOCK...NORTHEASTERN MIDLAND...WESTERN HOWARD
AND SOUTHEASTERN MARTIN COUNTIES...

At 643 PM CDT, a severe thunderstorm was located near Greenwood,
moving northeast at 45 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...
Midland, Greenwood, Stanton, Lomax, Courtney, Cotton Flat, Midland
Airpark, Stanton Municipal Aiport and Spraberry.

This includes Interstate 20 between mile markers 136 and 173.
 
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 3189 10205 3212 10215 3244 10155 3195 10153
TIME...MOT...LOC 2343Z 245DEG 40KT 3207 10197 

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

87
709 
WWUS54 KMAF 172353 RRA
SVSMAF

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

TXC173-227-317-329-180030-
/O.CON.KMAF.SV.W.0087.000000T0000Z-210518T0030Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
653 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN GLASSCOCK...NORTHEASTERN MIDLAND...WESTERN HOWARD
AND SOUTHEASTERN MARTIN COUNTIES...

At 653 PM CDT, a severe thunderstorm was located near Greenwood,
moving northeast at 40 mph.

HAZARD...Tennis 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...
Midland, Greenwood, Stanton, Lomax, Courtney, Stanton Municipal
Aiport and Spraberry.

This includes Interstate 20 between mile markers 142 and 173.
 
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 3190 10193 3215 10209 3244 10155 3195 10153
TIME...MOT...LOC 2353Z 245DEG 33KT 3208 10192 

HAIL...2.50IN
WIND...60MPH
 
$$

87
612 
WWUS54 KMAF 180007
SVSMAF

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

TXC173-227-317-329-180030-
/O.CON.KMAF.SV.W.0087.000000T0000Z-210518T0030Z/
Glasscock TX-Midland TX-Howard TX-Martin TX-
707 PM CDT Mon May 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN GLASSCOCK...NORTHEASTERN MIDLAND...WESTERN HOWARD
AND SOUTHEASTERN MARTIN COUNTIES...

At 706 PM CDT, a severe thunderstorm was located over Stanton, or 11 
miles northeast of Greenwood, moving northeast at 35 mph. Another 
storm within the warning is currently near Lomax with very large 
hail as well. 

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...
Stanton, Lomax, Courtney and Stanton Municipal Aiport. 

This includes Interstate 20 between mile markers 148 and 173.
 
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 3192 10178 3218 10203 3244 10155 3195 10153
TIME...MOT...LOC 0006Z 245DEG 40KT 3214 10176 

HAIL...2.75IN
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, 6:12 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, 6:35 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.