Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Corpus Christi, TX

August 2, 2021Duval County, Jim Wells County, Texas

NWS Corpus Christi, TX issued this special weather statement at Aug 2, 2021, 11:03 PM CDT for Duval County, Jim Wells County, Texas. It was in force for 42 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
Aug 2, 2021, 11:03 PM CDT (04:03 UTC)
Expired
Aug 2, 2021, 11:45 PM CDT
In force
42 min
Issued by
NWS Corpus Christi, TX

Counties Duval County, TX, Jim Wells County, TX

The radar

The Corpus Christi radar (KCRP), 107 km from the middle of the area, began a volume at 04:05 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

Corpus Christi, TX (KCRP), launched 00:00Z, 4.1 hours before the alert went out and 121 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, Corpus Christi, TX at 00:00Z on 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2590 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, Corpus Christi, TX at 00:00Z on 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
2590 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

133 
WWUS84 KCRP 030403
SPSCRP

Special Weather Statement
National Weather Service Corpus Christi TX
1103 PM CDT Mon Aug 2 2021

TXZ240-241-030445-
Jim Wells-Duval-
1103 PM CDT Mon Aug 2 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN DUVAL AND
SOUTHWESTERN JIM WELLS COUNTIES...

At 1102 PM CDT, radar indicated strong thunderstorms were located
along a line extending from near Rosita to 6 miles south of Ramirez.
Movement was east at 20 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Alice, San Diego, Premont, Benavides, Ramirez, San Jose, Ben Bolt,
Concepcion, Palito Blanco, Realitos, La Gloria, Cruz Calle, Alice
Acres and Rios.

This includes US Highway 281 between mile markers 672 and 708.
 
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 2727 9852 2734 9852 2734 9855 2736 9856
      2736 9859 2734 9859 2734 9862 2736 9863
      2736 9868 2770 9868 2779 9806 2726 9806
TIME...MOT...LOC 0402Z 258DEG 19KT 2771 9842 2726 9839 

$$

CB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 9:24 PM CDTSpecial Weather StatementCRPLive Oak51 min
Aug 2, 10:24 PM CDTAreal Flood AdvisoryCRPDuval2 hr
Aug 2, 11:23 PM CDTSpecial Weather StatementCRPJim Wells37 min
Aug 3, 1:33 AM CDTSpecial Weather StatementCRPWebb42 min
Aug 3, 2:04 AM CDTAreal Flood AdvisoryCRPDuval, Webb3 hr
Aug 3, 2:16 AM CDTSpecial Weather StatementCRPDuval44 min
Aug 3, 3:34 AM CDTSpecial Weather StatementCRPDuval, Jim Wells41 min
Aug 3, 3:46 AM CDTAreal Flood AdvisoryCRPDuval, Jim Wells3 hr

Nearby

Special Weather Statements in Texas, 2021Every special weather statement 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.