Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 236, NWS Lubbock, TX

July 5, 2021Hockley County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jul 5, 2021, 3:53 AM CDT for Hockley County, Texas. It was in force for 39 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 5, 2021, 3:53 AM CDT (08:53 UTC)
Expired: Jul 5, 2021, 4:32 AM CDT
In force: 39 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Hockley County, TX

The radar

The Lubbock radar (KLBB), 54 km from the middle of the area, began a volume at 08:56 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 nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 8.9 hours before the alert went out and 188 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: 1060 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1726 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

523 
WUUS54 KLUB 050853
SVRLUB
TXC219-051000-
/O.NEW.KLUB.SV.W.0236.210705T0853Z-210705T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
353 AM CDT Mon Jul 5 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Central Hockley County in northwestern Texas...

* Until 500 AM CDT.

* At 352 AM CDT, a severe thunderstorm was located 5 miles southwest
  of Whitharral, or 7 miles north of Levelland, moving south at 15
  mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Levelland, Sundown, Whitharral, Smyer and Opdyke West. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3373 10255 3380 10228 3350 10210 3342 10252
TIME...MOT...LOC 0852Z 343DEG 14KT 3369 10240 

HAIL...0.75IN
WIND...60MPH
 
$$

WCI

3 follow-up statements

579 
WWUS54 KLUB 050908
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
408 AM CDT Mon Jul 5 2021

TXC219-051000-
/O.CON.KLUB.SV.W.0236.000000T0000Z-210705T1000Z/
Hockley TX-
408 AM CDT Mon Jul 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR CENTRAL HOCKLEY COUNTY...

At 408 AM CDT, a severe thunderstorm was located near Levelland,
moving south at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Levelland, Sundown, Whitharral, Smyer and Opdyke West. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3363 10254 3375 10244 3379 10233 3380 10229
      3350 10210 3342 10252
TIME...MOT...LOC 0908Z 343DEG 14KT 3363 10238 

HAIL...<.75IN
WIND...60MPH
 
$$

WCI

536 
WWUS54 KLUB 050921
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
421 AM CDT Mon Jul 5 2021

TXC219-051000-
/O.CON.KLUB.SV.W.0236.000000T0000Z-210705T1000Z/
Hockley TX-
421 AM CDT Mon Jul 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR SOUTHERN HOCKLEY COUNTY...

At 420 AM CDT, a severe thunderstorm was located over Levelland,
moving south at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Levelland, Sundown and Opdyke West. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3363 10254 3365 10236 3348 10218 3342 10252
TIME...MOT...LOC 0920Z 343DEG 14KT 3358 10236 

HAIL...<.75IN
WIND...60MPH
 
$$

WCI

937 
WWUS54 KLUB 050932
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
432 AM CDT Mon Jul 5 2021

TXC219-050942-
/O.CAN.KLUB.SV.W.0236.000000T0000Z-210705T1000Z/
Hockley TX-
432 AM CDT Mon Jul 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HOCKLEY COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3363 10254 3365 10236 3348 10218 3342 10252
TIME...MOT...LOC 0929Z 343DEG 14KT 3354 10235 

$$

WCI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 12:11 AM CDT	Special Weather Statement	LUB	Castro, Parmer	49 min
Jul 5, 12:36 AM CDT	Severe Thunderstorm Warning	LUB	Parmer	39 min
Jul 5, 12:50 AM CDT	Areal Flood Advisory	LUB	Parmer	106 min
Jul 5, 1:10 AM CDT	Special Weather Statement	LUB	Bailey, Parmer	50 min
Jul 5, 1:51 AM CDT	Special Weather Statement	LUB	Bailey, Cochran	39 min
Jul 5, 1:59 AM CDT	Special Weather Statement	LUB	Floyd	31 min
Jul 5, 2:28 AM CDT	Special Weather Statement	LUB	Cochran	47 min
Jul 5, 2:31 AM CDT	Areal Flood Advisory	LUB	Crosby, Dickens, Floyd, Motley	73 min
Jul 5, 2:48 AM CDT	Severe Thunderstorm Warning	LUB	Bailey, Cochran, Hockley, Lamb	23 min
Jul 5, 2:50 AM CDT	Areal Flood Advisory	LUB	Hall, Motley	2 hr
Jul 5, 3:15 AM CDT	Special Weather Statement	LUB	Cochran, Hockley, Yoakum	45 min
Jul 5, 4:02 AM CDT	Special Weather Statement	LUB	Terry	43 min
Jul 5, 4:49 AM CDT	Areal Flood Advisory	LUB	Briscoe, Floyd, Hall	100 min
Jul 5, 6:40 AM CDT	Areal Flood Advisory	LUB	Briscoe, Swisher	2 hr
Jul 5, 7:21 AM CDT	Areal Flood Advisory	LUB	Briscoe, Floyd, Swisher	2 hr
Jul 5, 7:40 AM CDT	Areal Flood Advisory	LUB	Childress	3 hr
Jul 5, 8:21 AM CDT	Areal Flood Advisory	LUB	Crosby, Dickens	2 hr
Jul 5, 8:38 AM CDT	Areal Flood Advisory	LUB	Childress, Cottle	2 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.