Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 243, NWS Lubbock, TX

July 15, 2021Briscoe County, Hall County, Motley County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jul 15, 2021, 6:14 PM CDT for Briscoe County, Hall County, Motley County, Texas. It was in force for 46 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
Jul 15, 2021, 6:14 PM CDT (23:14 UTC)
Expired
Jul 15, 2021, 7:00 PM CDT
In force
46 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Briscoe County, TX, Hall County, TX, Motley County, TX

The radar

The Lubbock radar (KLBB), 112 km from the middle of the area, began a volume at 23:15 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

TimeReportWhereRemark
Jul 15, 7:05 PM CDTTSTM WND GST 57Caprock Canyon Sp, TXWEST TEXAS MESONET
Jul 15, 7:09 PM CDTTSTM WND GST 70Caprock Canyon Sp, TXWEST TEXAS MESONET

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

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.2 hours before the alert went out and 116 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, Amarillo Airport, TX at 12:00Z on 2021-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 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
131 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1440 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

599 
WUUS54 KLUB 152314
SVRLUB
TXC045-191-345-160000-
/O.NEW.KLUB.SV.W.0243.210715T2314Z-210716T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
614 PM CDT Thu Jul 15 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Northwestern Motley County in northwestern Texas...
  Southwestern Hall County in the Panhandle of Texas...
  Southeastern Briscoe County in the Panhandle of Texas...

* Until 700 PM CDT.

* At 613 PM CDT, a severe thunderstorm was located 4 miles west of
  Caprock Canyon State Park, moving east at 10 mph.

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

  SOURCE...West Texas Mesonet site at Silverton reported a wind gust 
           to 59 mph at 6:04 pm.

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

* Locations impacted include...
  Turkey, Caprock Canyon State Park, Quitaque and Valley Schools. 

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 3453 10065 3414 10075 3427 10104 3431 10104
      3431 10113 3436 10124 3456 10121
TIME...MOT...LOC 2313Z 276DEG 10KT 3445 10114 

HAIL...1.00IN
WIND...60MPH
 
$$

WCI / DWK
2 follow-up statements
028 
WWUS54 KLUB 152329
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
629 PM CDT Thu Jul 15 2021

TXC045-191-345-160000-
/O.CON.KLUB.SV.W.0243.000000T0000Z-210716T0000Z/
Motley TX-Hall TX-Briscoe TX-
629 PM CDT Thu Jul 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN MOTLEY...SOUTHWESTERN HALL AND SOUTHEASTERN BRISCOE
COUNTIES...

At 628 PM CDT, a severe thunderstorm was located near Quitaque, or 4
miles southwest of Caprock Canyon State Park, moving southeast at 15
mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Turkey, Caprock Canyon State Park, Quitaque and Valley Schools. 

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 3449 10069 3414 10075 3427 10104 3431 10104
      3431 10113 3436 10124 3454 10121
TIME...MOT...LOC 2328Z 311DEG 11KT 3440 10111 

HAIL...1.00IN
WIND...60MPH
 
$$

WCI/GKendrick
943 
WWUS54 KLUB 152347
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
647 PM CDT Thu Jul 15 2021

TXC045-191-345-160000-
/O.CON.KLUB.SV.W.0243.000000T0000Z-210716T0000Z/
Motley TX-Hall TX-Briscoe TX-
647 PM CDT Thu Jul 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN MOTLEY...SOUTHWESTERN HALL AND SOUTHEASTERN BRISCOE
COUNTIES...

At 646 PM CDT, a severe thunderstorm was located over Quitaque, or 4
miles southwest of Caprock Canyon State Park, moving southeast at 10
mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Turkey, Caprock Canyon State Park, Quitaque and Valley Schools. 

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 3449 10069 3414 10075 3427 10104 3431 10104
      3431 10113 3435 10120 3451 10115
TIME...MOT...LOC 2346Z 307DEG 10KT 3438 10109 

HAIL...1.00IN
WIND...60MPH
 
$$

WCI/GKendrick

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 5:57 PM CDTSpecial Weather StatementLUBBriscoe33 min
Jul 15, 6:36 PM CDTAreal Flood AdvisoryLUBBriscoe, Hall, Motley70 min
Jul 15, 6:45 PM CDTSpecial Weather StatementLUBBailey30 min
Jul 15, 6:56 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hall, Motley40 min

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; radar from the NEXRAD Level II archive.