Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 38, NWS Corpus Christi, TX

May 21, 2001Kleberg County, Nueces County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 21, 2001, 8:39 PM CDT for Kleberg County, Nueces County, Texas. It was in force for 66 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 21, 2001, 8:39 PM CDT (01:39 UTC)
Expired
May 21, 2001, 9:45 PM CDT
In force
66 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties Kleberg County, TX, Nueces County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 21, 3:45 PM CDTSevere Thunderstorm WatchSPC5 hr
May 21, 5:15 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.7 hours before the alert went out and 30 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 2001-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3375 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 2001-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 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
3375 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
-31 m²/s²
Significant tornado parameter
-0.4
Supercell composite
-2.1

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 21, 8:30 PM CDT, 9 minutes earlier.

Area forecast discussion, May 21, 8:30 PM CDT, 9 minutes before
COASTAL BEND FORECAST DISCUSSION...UPDATED.
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
830 PM CDT MON MAY 21 2001

DISCUSSION...PROLIFIC LTG PRODUCING CELL PASSING OVER CRP ATTM WITH
TORRENTIAL DOWNPOURS AND GUSTY WIND.  CELLS TO THE NE ARE CONTINUING
TO WEAKEN WITH THE STRONGEST EXTENDING FROM DUVAL TO CRP TO NEAR RKP
ALONG THE FRONT.  TEMP HAS DROPPED INTO THE UPPER 60S TO AROUND 70
IN THE POST-FRONTAL AIRMASS.  HAVE REMOVED SVR WATCH A3CROSS THE NRN
CWA..AND WILL UPDATE PACKAGE TO REMOVE WATCH ACROSS THE SRN PORTION
BEFORE 10PM.

.CRP...SCA GMZ230-235-250-255-270-275.

In the hours before

Special weather statement, May 21, 3:40 PM CDT, 4 hours 59 minutes before
TXZ231>234-241-243>247-220200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
340 PM CDT MON MAY 21 2001

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM CDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
VALID UNTIL 9 PM CDT MONDAY EVENING. THE WATCH INCLUDES THE
COUNTIES OF ARANSAS...BEE...CALHOUN...GOLIAD...JIM WELLS...KLEBERG...
LIVE OAK...NUECES...REFUGIO...SAN PATRICIO AND VICTORIA.

SOME CITIES INCLUDED IN THE WATCH ARE ALICE...ARANSAS PASS...
BEEVILLE...CHOKE CANYON...CORPUS CHRISTI...HOLIDAY BEACH...
INGLESIDE...LAKE CORPUS CHRISTI...LONG MOTT...MATHIS...PLACEDO...
PORT LAVACA...PORT OCONNOR...PORTLAND... PREMONT...ROBSTOWN...
ROCKPORT...SEADRIFT...SINTON...SKIDMORE...VICTORIA AND WOODSBORO.

THIS SEVERE THUNDERSTORM WATCH INCLUDES THE BAYS AND INLAND
WATERWAYS...FROM PORT OCONNOR TO BAFFIN BAY...AS WELL AS THE NEAR
SHORE WATERS FROM BAFFIN BAY TO THE MATAGORDA SHIP CHANNEL OUT TO 20
NAUTICAL MILES.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS TO OCCUR IN OR NEAR THE WATCH AREA. SEVERE
THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF A DIME
OR LARGER...STRONG WINDS OF 58 MPH OR GREATER AND EVEN TORNADOES.

EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE
ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE
READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA. IF
SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM
AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN
SEVERE WEATHER.

GW
Special weather statement, May 21, 5:00 PM CDT, 3 hours 39 minutes before
TXZ231>234-240-243>247-220300-

SPECIAL WEATHER STATEMENT...UPDATED.
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
500 PM CDT MON MAY 21 2001

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM CDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
VALID UNTIL 9 PM CDT MONDAY EVENING. THE WATCH INCLUDES THE
COUNTIES OF ARANSAS...BEE...CALHOUN...GOLIAD...JIM WELLS...KLEBERG...
DUVAL...LIVE OAK...NUECES...REFUGIO...SAN PATRICIO AND VICTORIA.

SOME CITIES INCLUDED IN THE WATCH ARE ALICE...ARANSAS PASS...
BEEVILLE...CHOKE CANYON...CORPUS CHRISTI...HOLIDAY BEACH...
INGLESIDE...LAKE CORPUS CHRISTI...LONG MOTT...MATHIS...PLACEDO...
PORT LAVACA...PORT OCONNOR...PORTLAND... PREMONT...ROBSTOWN...
ROCKPORT...SEADRIFT...SINTON...FREER...SKIDMORE...VICTORIA AND
WOODSBORO.

THIS SEVERE THUNDERSTORM WATCH INCLUDES THE BAYS AND INLAND
WATERWAYS...FROM PORT OCONNOR TO BAFFIN BAY...AS WELL AS THE NEAR
SHORE WATERS FROM BAFFIN BAY TO THE MATAGORDA SHIP CHANNEL OUT TO 20
NAUTICAL MILES.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS TO OCCUR IN OR NEAR THE WATCH AREA. SEVERE
THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF A DIME
OR LARGER...STRONG WINDS OF 58 MPH OR GREATER AND EVEN TORNADOES.

EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE
ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE
READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA. IF
SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM
AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN
SEVERE WEATHER.

BL
Special weather statement, May 21, 6:48 PM CDT, 1 hour 51 minutes before
TXZ231>234-220545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
648 PM CDT MON MAY 21 2001

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED...

THE SEVERE THUNDERSTORM WATCH VALID UNTIL 9 PM CDT HAS BEEN
CANCELLED FOR THE FOLLOWING COUNTIES...BEE...GOLIAD...LIVE OAK AND
VICTORIA. CITIES NO LONGER IN THE WATCH INCLUDE BEEVILLE...CHOKE
CANYON...LAKE CORPUS CHRISTI...PLACEDO...SKIDMORE AND VICTORIA.

A COLD wFRONT HAS PUSHED THROUGH THE AREA...CREATING A DRIER AND MORE
STABLE ATMOSPHERE.  AS A RESULT...SEVERE WEATHER IS NO LONGER
EXPECTED IN THE AFOREMENTIONED COUNTIES.

GW

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 7:08 PM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells67 min
May 21, 8:51 PM CDTSevere Thunderstorm WarningCRPJim Wells54 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.