Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 239, NWS Lubbock, TX

July 11, 2021Hockley County, Terry County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jul 11, 2021, 2:49 PM CDT for Hockley County, Terry County, Texas. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 11, 2021, 2:49 PM CDT (19:49 UTC)
Expired: Jul 11, 2021, 3:45 PM CDT
In force: 56 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Hockley County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 72 km from the middle of the area, began a volume at 19:52 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 11, 12:16 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 7.8 hours before the alert went out and 154 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: 964 J/kg
Mixed-layer CIN: -244 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

706 
WUUS54 KLUB 111949
SVRLUB
TXC219-445-112045-
/O.NEW.KLUB.SV.W.0239.210711T1949Z-210711T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
249 PM CDT Sun Jul 11 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Northwestern Terry County in northwestern Texas...
  South central Hockley County in northwestern Texas...

* Until 345 PM CDT.

* At 249 PM CDT, a severe thunderstorm was located 7 miles south of
  Sundown, or 17 miles southwest of Levelland, moving east at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Sundown and Locketville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3329 10258 3333 10259 3345 10249 3341 10221
      3315 10240
TIME...MOT...LOC 1949Z 278DEG 26KT 3335 10251 

HAIL...1.00IN
WIND...70MPH
 
$$

PAZOS

3 follow-up statements

301 
WWUS54 KLUB 112009 RRA
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
309 PM CDT Sun Jul 11 2021

TXC219-445-112045-
/O.CON.KLUB.SV.W.0239.000000T0000Z-210711T2045Z/
Terry TX-Hockley TX-
309 PM CDT Sun Jul 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR NORTHWESTERN TERRY AND SOUTH CENTRAL HOCKLEY COUNTIES...

At 309 PM CDT, a severe thunderstorm was located 4 miles south of
Locketville, or 11 miles north of Brownfield, moving east at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Sundown and Locketville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3329 10255 3334 10257 3345 10249 3341 10221
      3315 10240
TIME...MOT...LOC 2009Z 278DEG 26KT 3333 10233 

HAIL...1.00IN
WIND...70MPH
 
$$

PAZOS

800 
WWUS54 KLUB 112027
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
327 PM CDT Sun Jul 11 2021

TXC219-112037-
/O.CAN.KLUB.SV.W.0239.000000T0000Z-210711T2045Z/
Hockley TX-
327 PM CDT Sun Jul 11 2021

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

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
northwestern Texas.

LAT...LON 3326 10252 3339 10244 3339 10240 3334 10226
      3315 10240
TIME...MOT...LOC 2027Z 278DEG 26KT 3331 10217 

$$

TXC445-112045-
/O.CON.KLUB.SV.W.0239.000000T0000Z-210711T2045Z/
Terry TX-
327 PM CDT Sun Jul 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR NORTHWESTERN TERRY COUNTY...

At 327 PM CDT, a severe thunderstorm was located 9 miles southeast of
Locketville, or 10 miles northeast of Brownfield, moving east at 30
mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

This severe thunderstorm will remain over mainly rural areas of
northwestern Terry County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3326 10252 3339 10244 3339 10240 3334 10226
      3315 10240
TIME...MOT...LOC 2027Z 278DEG 26KT 3331 10217 

HAIL...1.00IN
WIND...70MPH
 
$$

PAZOS

520 
WWUS54 KLUB 112036
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
336 PM CDT Sun Jul 11 2021

TXC445-112045-
/O.EXP.KLUB.SV.W.0239.000000T0000Z-210711T2045Z/
Terry TX-
336 PM CDT Sun Jul 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TERRY COUNTY WILL
EXPIRE AT 345 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
northwestern Texas.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lubbock Texas.

LAT...LON 3326 10252 3339 10244 3339 10240 3334 10226
      3315 10240
TIME...MOT...LOC 2035Z 278DEG 26KT 3330 10213 

$$

PAZOS

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 11, 6:07 AM CDT	Special Weather Statement	LUB	King	23 min
Jul 11, 1:14 PM CDT	Severe Thunderstorm Warning	LUB	Cochran, Yoakum	47 min
Jul 11, 1:54 PM CDT	Severe Thunderstorm Warning	LUB	Cochran, Hockley, Terry, Yoakum	66 min
Jul 11, 2:20 PM CDT	Areal Flood Advisory	LUB	Cochran, Hockley, Terry, Yoakum	112 min
Jul 11, 2:56 PM CDT	Severe Thunderstorm Warning	LUB	Bailey, Cochran, Hockley, Lamb	20 min
Jul 11, 2:58 PM CDT	Areal Flood Advisory	LUB	Kent	2 hr
Jul 11, 3:06 PM CDT	Flash Flood Warning	LUB	Cochran, Hockley, Terry, Yoakum	81 min
Jul 11, 3:12 PM CDT	Severe Thunderstorm Warning	LUB	Garza, Kent	31 min
Jul 11, 3:25 PM CDT	Severe Thunderstorm Warning	LUB	Lynn, Terry	25 min
Jul 11, 3:30 PM CDT	Areal Flood Advisory	LUB	Lynn, Terry	96 min
Jul 11, 3:54 PM CDT	Areal Flood Advisory	LUB	Garza, Lynn	2 hr
Jul 11, 3:58 PM CDT	Areal Flood Advisory	LUB	Crosby, Garza, Kent	67 min
Jul 11, 4:29 PM CDT	Areal Flood Advisory	LUB	Crosby, Floyd	93 min
Jul 11, 4:32 PM CDT	Special Weather Statement	LUB	Lubbock	28 min
Jul 11, 4:45 PM CDT	Areal Flood Advisory	LUB	Dickens, Floyd, Kent, King, Motley, Stonewall	2 hr
Jul 11, 5:03 PM CDT	Areal Flood Advisory	LUB	Crosby, Garza, Lubbock, Lynn	2 hr
Jul 11, 5:04 PM CDT	Special Weather Statement	LUB	Lubbock	26 min
Jul 11, 5:24 PM CDT	Areal Flood Advisory	LUB	Hale, Lubbock	2 hr
Jul 11, 5:25 PM CDT	Special Weather Statement	LUB	Lubbock	35 min
Jul 11, 5:52 PM CDT	Special Weather Statement	LUB	Lubbock	23 min
Jul 11, 6:09 PM CDT	Special Weather Statement	LUB	Stonewall	36 min
Jul 11, 6:53 PM CDT	Special Weather Statement	LUB	Lubbock	22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.