Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 12, NWS Corpus Christi, TX

May 5, 2001Calhoun County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 5, 2001, 10:41 PM CDT for Calhoun County, Texas. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 5, 2001, 10:41 PM CDT (03:41 UTC)
Expired
May 5, 2001, 11:00 PM CDT
In force
19 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Calhoun County, TX

The radar

The Corpus Christi radar (KCRP), 114 km from the middle of the area, began a volume at 03:41 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, 3.7 hours before the alert went out and 106 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 2001-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1834 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2001-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897Sfc1 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
1834 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 5, 10:15 PM CDT, 26 minutes earlier.

Area forecast discussion, May 5, 10:15 PM CDT, 26 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1015 PM CDT SAT MAY 5 2001

EXPECT ADDITIONAL WIDELY SCATTERED CONVECTION TO DEVELOP OVER THE
CWA ALONG A WEAK E-W ORIENTED SURFACE TROUGH...AS AN UPPER JET
STREAK DEVELOPS OVERNIGHT. WL MAKE SOME MINOR TEMPERATURE
ADJUSTMENTS FOR TONIGHT OWING THE RECENT/EXPECTED DEW POINTS.
MARINE...WL MAINTAIN THE SCA OVER THE OFFSHORE WATERS AND THE SCEC
OVER THE BAYS OWING TO CURRENT/EXPECTED CONDITIONS.

.CRP...SCA GMZ250-255-270-275.

87

In the hours before

Local storm report, May 5, 7:15 PM CDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
715 PM CDT SAT MAY 5 2001

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0505 PM    1 W CHARCO                TX   0.88 INCH HAIL
05/05/01   GOLIAD                         REPORTED BY SHERIFFS OFFICE

0625 PM    1 SW MC FADDIN                 1.75 INCH HAIL
05/05/01   VICTORIA                       REPORTED BY SHERIFFS OFFICE

0635 PM    4 S VICTORIA                   0.75 INCH HAIL
05/05/01   VICTORIA                       REPORTED BY LOCAL SPOTTER

COYNE

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 7:11 PM CDTSevere Thunderstorm WarningCRPCalhoun49 min
May 5, 7:44 PM CDTSevere Thunderstorm WarningCRPRefugio46 min
May 5, 11:21 PM CDTSevere Thunderstorm WarningCRPWebb39 min
May 5, 11:27 PM CDTSevere Thunderstorm WarningCRPLa Salle33 min
May 6, 5:52 PM CDTSevere Thunderstorm WarningCRPLa Salle53 min
May 6, 6:36 PM CDTSevere Thunderstorm WarningCRPWebb54 min
May 6, 6:45 PM CDTSevere Thunderstorm WarningCRPLa Salle60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

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.