Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Lubbock, TX

May 15, 202110 counties in Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 15, 2021, 9:31 PM CDT for 10 counties in Texas. It was in force for 17 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
May 15, 2021, 9:31 PM CDT (02:31 UTC)
Expired
May 15, 2021, 9:48 PM CDT
In force
17 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Kent County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 25 km from the middle of the area, began a volume at 02:34 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.

IssuedProductOfficeLasted
May 15, 3:49 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 2.5 hours before the alert went out and 185 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 2021-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1081 joules per kilogram.LCLEL10008507005003002001001 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 2021-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
1081 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2052 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

300 
WUUS54 KLUB 160231
SVRLUB
TXC107-125-153-169-189-263-303-305-345-445-160330-
/O.NEW.KLUB.SV.W.0063.210516T0231Z-210516T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
931 PM CDT Sat May 15 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Western Kent County in northwestern Texas...
  Lubbock County in northwestern Texas...
  Lynn County in northwestern Texas...
  Dickens County in northwestern Texas...
  Garza County in northwestern Texas...
  Southern Floyd County in northwestern Texas...
  East central Terry County in northwestern Texas...
  Crosby County in northwestern Texas...
  Southwestern Motley County in northwestern Texas...
  Southern Hale County in northwestern Texas...

* Until 1030 PM CDT.

* At 931 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles south of Cotton Center to near Downtown
  Lubbock to 8 miles north of New Moore, moving east at 55 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lubbock, Slaton, Post, Floydada, Abernathy, Tahoka, Crosbyton,
  Spur, Matador, Dickens, Lake Alan Henry, White River Lake,
  Wolfforth, Shallowater, Idalou, Ralls, Petersburg, Lorenzo, Ransom
  Canyon and Cotton Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3307 10218 3355 10199 3389 10209 3399 10209
      3409 10077 3358 10068 3300 10074
TIME...MOT...LOC 0231Z 267DEG 46KT 3393 10198 3355 10184 3315 10201 

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

WCI/GLK
1 follow-up statement
948 
WWUS54 KLUB 160248
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
948 PM CDT Sat May 15 2021

TXC107-125-153-169-189-263-303-305-345-445-160258-
/O.CAN.KLUB.SV.W.0063.000000T0000Z-210516T0330Z/
Kent TX-Lubbock TX-Lynn TX-Dickens TX-Garza TX-Floyd TX-Terry TX-
Crosby TX-Motley TX-Hale TX-
948 PM CDT Sat May 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KENT...LUBBOCK...
LYNN...DICKENS...GARZA...SOUTHERN FLOYD...EAST CENTRAL TERRY...
CROSBY...SOUTHWESTERN MOTLEY AND SOUTHERN HALE COUNTIES IS
CANCELLED...
            
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 has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northwestern Texas.

LAT...LON 3307 10218 3355 10199 3389 10209 3399 10209
      3409 10077 3358 10068 3300 10074
TIME...MOT...LOC 0245Z 267DEG 46KT 3394 10176 3356 10162 3316 10179 

$$

WCI/GLK

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:04 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran, Yoakum56 min
May 15, 7:38 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran, Hockley, Lamb, Lubbock, Lynn and 2 more52 min
May 15, 7:41 PM CDTFlash Flood WarningLUBCochran109 min
May 15, 8:24 PM CDTSevere Thunderstorm WarningLUBCochran, Hale, Hockley, Lamb, Lubbock, Lynn and 2 more66 min
May 15, 8:52 PM CDTAreal Flood AdvisoryLUBLubbock113 min
May 15, 9:06 PM CDTSevere Thunderstorm WarningLUBLynn24 min
May 15, 9:29 PM CDTSpecial Weather StatementLUBHale, Swisher61 min
May 15, 10:07 PM CDTSpecial Weather StatementLUBHale23 min
May 16, 4:55 PM CDTSevere Thunderstorm WarningLUBChildress, Hall65 min
May 16, 5:53 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall52 min
May 16, 5:59 PM CDTSevere Thunderstorm WarningLUBHall31 min
May 16, 6:43 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall, Motley47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.