Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Corpus Christi, TX

May 10, 2021La Salle County, Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 10, 2021, 6:23 PM CDT for La Salle County, Webb County, Texas. It was in force for 52 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 10, 2021, 6:23 PM CDT (23:23 UTC)
Expired
May 10, 2021, 7:15 PM CDT
In force
52 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties La Salle County, TX, Webb County, TX

The radar

The Laughlin AFB radar (KDFX), 143 km from the middle of the area, began a volume at 23:26 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

Del Rio, TX (KDRT), launched 12:00Z, 11.4 hours before the alert went out and 179 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, Del Rio, TX at 12:00Z on 2021-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2989 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, Del Rio, TX at 12:00Z on 2021-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.19395878Sfc1 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
2989 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

809 
WUUS54 KCRP 102323
SVRCRP
TXC283-479-110015-
/O.NEW.KCRP.SV.W.0006.210510T2323Z-210511T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Corpus Christi TX
623 PM CDT Mon May 10 2021

The National Weather Service in Corpus Christi has issued a

* Severe Thunderstorm Warning for...
  Northern Webb County in south central Texas...
  Southwestern La Salle County in south central Texas...

* Until 715 PM CDT.

* At 623 PM CDT, a severe thunderstorm was located 16 miles southeast
  of Chupadera Ranch Airport, or 35 miles west of Encinal, moving
  east at 60 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Encinal, Las Tiendas, Chupadera Ranch Airport, Artesia Wells, La
  Esperanza Ranch Airport and Chaparral Wildlife Management Area.

This includes the following highways...
 Interstate 35 between mile markers 30 and 65.
 US Highway 83 between mile markers 668 and 688.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2820 9940 2839 9939 2842 9923 2797 9904
      2782 9988 2784 9988 2788 9991 2791 9990
      2794 9994 2798 9993 2800 9999 2807 10002
      2809 10005 2815 10009 2820 10021
TIME...MOT...LOC 2323Z 258DEG 51KT 2799 9993 

HAIL...1.25IN
WIND...<50MPH
 
$$

JCP
1 follow-up statement
179 
WWUS54 KCRP 102358
SVSCRP

Severe Weather Statement
National Weather Service Corpus Christi TX
658 PM CDT Mon May 10 2021

TXC283-479-110015-
/O.CON.KCRP.SV.W.0006.000000T0000Z-210511T0015Z/
Webb TX-La Salle TX-
658 PM CDT Mon May 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHERN WEBB AND SOUTHWESTERN LA SALLE COUNTIES...

At 657 PM CDT, a severe thunderstorm was located 8 miles south of
Gilson Groves, or 25 miles west of Encinal, moving east at 25 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of
northern Webb and southwestern La Salle Counties.

This includes the following highways...
 Interstate 35 between mile markers 30 and 65.
 US Highway 83 between mile markers 668 and 688.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2820 9940 2839 9939 2842 9923 2797 9904
      2782 9988 2784 9988 2788 9991 2791 9990
      2794 9994 2798 9993 2800 9999 2807 10002
      2809 10005 2815 10009 2820 10021
TIME...MOT...LOC 2357Z 248DEG 20KT 2814 9976 

HAIL...1.00IN
WIND...<50MPH
 
$$

HAA/LS

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 9:38 PM CDTSmall Craft AdvisoryCRP3 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.