Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Midland/Odessa, TX

May 11, 2021Terrell County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 11, 2021, 7:10 PM CDT for Terrell County, Texas. It was in force for 65 min. 1 report 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 11, 2021, 7:10 PM CDT (00:10 UTC)
Expired: May 11, 2021, 8:15 PM CDT
In force: 65 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 2.0 in
Wind: 70.0 mph

County Terrell County, TX

The radar

The Laughlin AFB radar (KDFX), 173 km from the middle of the area, began a volume at 00:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 11, 7:23 PM CDT	HAIL 1.75	6 W Dryden, TX	MEASURED BY IBHS HAIL STUDY RESEARCHERS. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 119 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: 1860 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted.

376 
WUUS54 KMAF 120010
SVRMAF
TXC443-120115-
/O.NEW.KMAF.SV.W.0050.210512T0010Z-210512T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
710 PM CDT Tue May 11 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Southern Terrell County in southwestern Texas...

* Until 815 PM CDT.

* At 710 PM CDT, a severe thunderstorm was located 7 miles east of
  Sanderson, moving east at 25 mph.

  HAZARD...Two inch hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Sanderson, Dryden and Terrell County Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2981 10181 2979 10182 2981 10185 2980 10187
      2980 10191 2978 10193 2980 10194 2980 10196
      2982 10197 2980 10199 2980 10204 2999 10247
      3023 10238 3019 10176 2978 10176 2979 10178
      2978 10181
TIME...MOT...LOC 0010Z 283DEG 23KT 3011 10229 

HAIL...2.00IN
WIND...70MPH
 
$$

80

3 follow-up statements

048 
WWUS54 KMAF 120019
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
719 PM CDT Tue May 11 2021

TXC443-120115-
/O.CON.KMAF.SV.W.0050.000000T0000Z-210512T0115Z/
Terrell TX-
719 PM CDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHERN TERRELL COUNTY...

At 719 PM CDT, a severe thunderstorm was located 7 miles west of
Dryden, moving east at 25 mph.

This is a very dangerous storm.

HAZARD...Baseball size hail and 70 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...
Sanderson, Dryden and Terrell County Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2981 10181 2979 10182 2981 10185 2980 10187
      2980 10191 2978 10193 2980 10194 2980 10196
      2982 10197 2980 10199 2980 10204 2999 10247
      3023 10238 3019 10176 2978 10176 2979 10178
      2978 10181
TIME...MOT...LOC 0019Z 285DEG 23KT 3008 10223 

HAIL...2.75IN
WIND...70MPH
 
$$

80

400 
WWUS54 KMAF 120036
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
736 PM CDT Tue May 11 2021

TXC443-120115-
/O.CON.KMAF.SV.W.0050.000000T0000Z-210512T0115Z/
Terrell TX-
736 PM CDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN TERRELL COUNTY...

At 735 PM CDT, a severe thunderstorm was located over Dryden, moving
east at 25 mph.

HAZARD...Ping pong 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...
Dryden and Terrell County Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2981 10181 2979 10182 2981 10185 2980 10187
      2980 10191 2978 10193 2980 10194 2980 10196
      2982 10197 2980 10199 2980 10204 2994 10236
      3022 10228 3019 10176 2978 10176 2979 10178
      2978 10181
TIME...MOT...LOC 0035Z 288DEG 23KT 3002 10212 

HAIL...1.50IN
WIND...60MPH
 
$$

80

477 
WWUS54 KMAF 120103
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
803 PM CDT Tue May 11 2021

TXC443-120115-
/O.CON.KMAF.SV.W.0050.000000T0000Z-210512T0115Z/
Terrell TX-
803 PM CDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN TERRELL COUNTY...

At 803 PM CDT, a severe thunderstorm was located 13 miles southeast
of Dryden, moving southeast at 25 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.

This severe thunderstorm will remain over mainly rural areas of
southeastern Terrell County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2981 10181 2979 10182 2981 10185 2980 10187
      2980 10191 2978 10193 2980 10194 2980 10196
      2982 10197 2980 10199 2980 10204 2994 10236
      3008 10176 2978 10176 2979 10178 2978 10181
TIME...MOT...LOC 0103Z 297DEG 22KT 2990 10196 

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

80

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 8:15 PM CDT	Special Weather Statement	MAF	Terrell	45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.