Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS Midland/Odessa, TX

May 11, 2021Brewster County, Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 11, 2021, 6:21 PM CDT for Brewster County, Pecos County, Terrell County, Texas. It was in force for 54 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 11, 2021, 6:21 PM CDT (23:21 UTC)
Expired: May 11, 2021, 7:15 PM CDT
In force: 54 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Hail: 1.75 in
Wind: 70.0 mph

Counties Brewster County, TX, Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 206 km from the middle of the area, began a volume at 23:21 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, 6:59 PM CDT	HAIL 1.25	1 Nw Sanderson, TX
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 12:00Z, 11.4 hours before the alert went out and 187 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: 1783 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 622 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 12.9

Open this sounding in Storm Lab

The text

As transmitted.

984 
WUUS54 KMAF 112321
SVRMAF
TXC043-371-443-120015-
/O.NEW.KMAF.SV.W.0049.210511T2321Z-210512T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
621 PM CDT Tue May 11 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  South central Pecos County in southwestern Texas...
  East central Brewster County in southwestern Texas...
  Southwestern Terrell County in southwestern Texas...

* Until 715 PM CDT.

* At 620 PM CDT, a severe thunderstorm was located 13 miles west of
  Sanderson, moving southeast at 25 mph.

  HAZARD...Golf ball size 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 and Terrell County Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3024 10276 3037 10248 3002 10213 2973 10273
TIME...MOT...LOC 2320Z 330DEG 20KT 3021 10262 

HAIL...1.75IN
WIND...70MPH
 
$$

80

2 follow-up statements

388 
WWUS54 KMAF 112332
SVSMAF

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

TXC043-371-443-120015-
/O.CON.KMAF.SV.W.0049.000000T0000Z-210512T0015Z/
Pecos TX-Brewster TX-Terrell TX-
632 PM CDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTH CENTRAL PECOS...EAST CENTRAL BREWSTER AND SOUTHWESTERN
TERRELL COUNTIES...

At 632 PM CDT, a severe thunderstorm was located 11 miles northwest
of Sanderson, moving southeast at 15 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 and Terrell County Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3024 10276 3037 10248 3002 10213 2973 10273
TIME...MOT...LOC 2332Z 325DEG 12KT 3021 10258 

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

80

509 
WWUS54 KMAF 120004
SVSMAF

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

TXC371-120013-
/O.CAN.KMAF.SV.W.0049.000000T0000Z-210512T0015Z/
Pecos TX-
704 PM CDT Tue May 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PECOS COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3020 10257 3027 10238 3002 10213 2985 10248
TIME...MOT...LOC 0003Z 330DEG 20KT 3006 10248 

$$

TXC043-443-120015-
/O.CON.KMAF.SV.W.0049.000000T0000Z-210512T0015Z/
Brewster TX-Terrell TX-
704 PM CDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR EASTERN BREWSTER AND SOUTHWESTERN TERRELL COUNTIES...

At 703 PM CDT, a severe thunderstorm was located 7 miles southwest of
Sanderson, moving southeast 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 and Terrell County Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3020 10257 3027 10238 3002 10213 2985 10248
TIME...MOT...LOC 0003Z 330DEG 20KT 3006 10248 

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

80

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 3:36 AM CDT	High Wind Watch	MAF	Culberson	11 hr
May 11, 4:22 AM CDT	Severe Thunderstorm Warning	MAF	Gaines	53 min
May 11, 5:14 AM CDT	Special Weather Statement	MAF	Gaines	46 min
May 11, 5:19 AM CDT	Areal Flood Advisory	MAF	Gaines	3 hr
May 11, 5:44 AM CDT	Areal Flood Advisory	MAF	Gaines	3 hr
May 11, 5:58 AM CDT	Special Weather Statement	MAF	Dawson	47 min
May 11, 7:52 AM CDT	Special Weather Statement	MAF	Borden	38 min
May 11, 8:49 AM CDT	Special Weather Statement	MAF	Glasscock	41 min
May 11, 2:43 PM CDT	High Wind Warning	MAF	Culberson	19 hr
May 11, 4:08 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos, Terrell	67 min
May 11, 4:40 PM CDT	Areal Flood Advisory	MAF	Brewster, Terrell	3 hr
May 11, 5:15 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos, Terrell	60 min
May 11, 5:17 PM CDT	Special Weather Statement	MAF	Terrell	43 min
May 11, 5:39 PM CDT	Special Weather Statement	MAF	Pecos	51 min
May 11, 5:50 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos, Terrell	55 min
May 11, 6:16 PM CDT	Areal Flood Advisory	MAF	Pecos, Terrell	3 hr

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.