Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 253, NWS Lubbock, TX

July 17, 20214 counties in Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jul 17, 2021, 9:13 PM CDT for 4 counties in Texas. It was in force for 62 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 17, 2021, 9:13 PM CDT (02:13 UTC)
Expired
Jul 17, 2021, 10:15 PM CDT
In force
62 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Bailey County, TX, Castro County, TX, Lamb County, TX, Parmer County, TX

The radar

The Lubbock radar (KLBB), 99 km from the middle of the area, began a volume at 02:14 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, 2.2 hours before the alert went out and 270 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, Midland Regional, TX at 00:00Z on 2021-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1227 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, Midland Regional, TX at 00:00Z on 2021-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
1227 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1935 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

349 
WUUS54 KLUB 180213
SVRLUB
TXC017-069-279-369-180315-
/O.NEW.KLUB.SV.W.0253.210718T0213Z-210718T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
913 PM CDT Sat Jul 17 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Northern Bailey County in northwestern Texas...
  Parmer County in the Panhandle of Texas...
  Castro County in the Panhandle of Texas...
  Northern Lamb County in northwestern Texas...

* Until 1015 PM CDT.

* At 913 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles east of Easter to 4 miles northwest of
  Lazbuddie to 5 miles north of Clovis, moving south at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Muleshoe, Dimmitt, Friona, Hart, Earth, Bovina, Farwell, Sudan,
  Summerfield, Needmore, Easter, Lazbuddie, Oklahoma Lane, Progress,
  Lariat, West Camp, Black, Rhea and Springlake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

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

&&

LAT...LON 3431 10208 3424 10209 3424 10210 3400 10249
      3407 10304 3469 10304 3474 10278 3475 10227
TIME...MOT...LOC 0213Z 342DEG 19KT 3463 10232 3445 10266 3451 10317 

HAIL...0.88IN
WIND...60MPH
 
$$

WCI/GKendrick
4 follow-up statements
591 
WWUS54 KLUB 180227
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
927 PM CDT Sat Jul 17 2021

TXC017-069-279-369-180315-
/O.CON.KLUB.SV.W.0253.000000T0000Z-210718T0315Z/
Bailey TX-Parmer TX-Castro TX-Lamb TX-
927 PM CDT Sat Jul 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHERN BAILEY...PARMER...WESTERN CASTRO AND NORTHERN LAMB
COUNTIES...

At 926 PM CDT, severe thunderstorms were located along a line
extending from near Dimmitt to Lazbuddie to near Clovis, moving south
at 20 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Muleshoe, Dimmitt, Friona, Hart, Earth, Bovina, Farwell, Sudan,
Summerfield, Needmore, Easter, Lazbuddie, Oklahoma Lane, Progress,
Lariat, West Camp, Black, Rhea and Springlake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

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

&&

LAT...LON 3431 10208 3424 10209 3424 10210 3400 10249
      3407 10304 3469 10304 3474 10278 3475 10244
      3458 10224 3434 10209
TIME...MOT...LOC 0226Z 342DEG 19KT 3458 10230 3440 10264 3446 10315 

HAIL...0.88IN
WIND...60MPH
 
$$

WCI/GKendrick
331 
WWUS54 KLUB 180239
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
939 PM CDT Sat Jul 17 2021

TXC017-069-279-369-180315-
/O.CON.KLUB.SV.W.0253.000000T0000Z-210718T0315Z/
Bailey TX-Parmer TX-Castro TX-Lamb TX-
939 PM CDT Sat Jul 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHERN BAILEY...PARMER...WESTERN CASTRO AND NORTHERN LAMB
COUNTIES...

At 939 PM CDT, severe thunderstorms were located along a line
extending from Dimmitt to near Lazbuddie to 3 miles southwest of
Texico, moving southeast at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Muleshoe, Dimmitt, Friona, Hart, Earth, Bovina, Farwell, Sudan,
Needmore, Easter, Lazbuddie, Oklahoma Lane, Progress, Lariat, West
Camp and Springlake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

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

&&

LAT...LON 3431 10208 3424 10209 3424 10210 3400 10249
      3407 10304 3454 10304 3463 10274 3471 10250
      3463 10229 3460 10226 3456 10223 3434 10209
TIME...MOT...LOC 0239Z 336DEG 11KT 3454 10229 3435 10262 3434 10309 

HAIL...0.88IN
WIND...60MPH
 
$$

WCI/GKendrick
928 
WWUS54 KLUB 180250
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
950 PM CDT Sat Jul 17 2021

TXC017-069-279-369-180315-
/O.CON.KLUB.SV.W.0253.000000T0000Z-210718T0315Z/
Bailey TX-Parmer TX-Castro TX-Lamb TX-
950 PM CDT Sat Jul 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHERN BAILEY...SOUTHERN PARMER...SOUTHWESTERN CASTRO AND
NORTHERN LAMB COUNTIES...

At 950 PM CDT, severe thunderstorms were located along a line
extending from 4 miles southeast of Dimmitt to 5 miles south of
Lazbuddie to 5 miles west of West Camp, moving south at 20 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Muleshoe, Dimmitt, Earth, Bovina, Sudan, Needmore, Lazbuddie,
Oklahoma Lane, Progress, Lariat, West Camp and Springlake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

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

&&

LAT...LON 3424 10209 3424 10210 3400 10249 3407 10304
      3449 10298 3457 10270 3468 10253 3460 10228
      3456 10223 3431 10209
TIME...MOT...LOC 0250Z 342DEG 19KT 3450 10227 3431 10260 3430 10307 

HAIL...0.88IN
WIND...60MPH
 
$$

WCI/GKendrick
323 
WWUS54 KLUB 180313
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
1013 PM CDT Sat Jul 17 2021

TXC017-069-279-369-180323-
/O.EXP.KLUB.SV.W.0253.000000T0000Z-210718T0315Z/
Bailey TX-Parmer TX-Castro TX-Lamb TX-
1013 PM CDT Sat Jul 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BAILEY...SOUTHERN
PARMER...SOUTHWESTERN CASTRO AND NORTHERN LAMB COUNTIES WILL EXPIRE
AT 1015 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

LAT...LON 3424 10209 3424 10210 3400 10249 3407 10304
      3449 10298 3457 10270 3468 10253 3460 10228
      3456 10223 3431 10209
TIME...MOT...LOC 0313Z 270DEG 19KT 3441 10221 3422 10254 3421 10301 

$$

WCI/GKendrick

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 8:18 PM CDTSevere Thunderstorm WarningLUBCastro, Parmer, Swisher57 min
Jul 17, 9:47 PM CDTSpecial Weather StatementLUBKing28 min
Jul 17, 10:01 PM CDTSpecial Weather StatementLUBBailey, Lamb44 min
Jul 17, 11:47 PM CDTSpecial Weather StatementLUBHale28 min
Jul 18, 12:10 AM CDTAreal Flood AdvisoryLUBHale77 min
Jul 18, 1:05 AM CDTAreal Flood AdvisoryLUBHale, Hockley, Lamb, Lubbock2 hr
Jul 18, 5:28 PM CDTSpecial Weather StatementLUBLubbock17 min
Jul 18, 5:28 PM CDTSpecial Weather StatementLUBLubbock17 min
Jul 18, 6:41 PM CDTAreal Flood AdvisoryLUBMotley2 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.