Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 48, NWS Corpus Christi, TX

May 27, 2009Kleberg County, Nueces County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 27, 2009, 2:28 PM CDT for Kleberg County, Nueces County, Texas. It was in force for 32 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 27, 2009, 2:28 PM CDT (19:28 UTC)
Expired
May 27, 2009, 3:00 PM CDT
In force
32 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

Counties Kleberg County, TX, Nueces County, TX

The radar

The Corpus Christi radar (KCRP), 24 km from the middle of the area, began a volume at 19:30 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 12:00Z, 7.5 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 12:00Z on 2009-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3147 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 12:00Z on 2009-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
3147 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.1

Open this sounding in Storm Lab

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 27, 1:05 PM CDT, 1 hour 23 minutes earlier.

Area forecast discussion, May 27, 1:05 PM CDT, 1 hour 23 minutes before
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Hazardous weather outlook, May 27, 10:10 AM CDT, 4 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1010 AM CDT WED MAY 27 2009

GMZ230-235-250-255-270-275-TXZ229>234-239>247-281515-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR-
COASTAL WATERS BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS BAFFIN BAY TO PORT ARANSAS 20 TO 60 NM-
WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL 20 TO 60 NM-
LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
1010 AM CDT WED MAY 27 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT AS A
FRONTAL BOUNDARY INTERACTS WITH THE SEA BREEZE DURING DAYTIME
HEATING. SOME OF THE STORMS WILL POSSIBLY BECOME SEVERE...WITH
THE MAIN THREAT EXPECTED TO BE STRONG WINDS AND LARGE HAIL. ALSO
LOCALLY HEAVY RAINFALL...IN EXCESS OF 3 INCHES...IS EXPECTED WITH
THE STRONGER STORMS. SOME STORMS THIS MORNING HAVE ALREADY
PRODUCED ISOLATED AREAS OF 3 TO 6 INCHES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE WILL BE A SLIGHT CHANCE TO A CHANCE OF SHOWERS AND
THUNDERSTORMS THURSDAY DURING THE AFTERNOON AND EVENING HOURS.
HOWEVER...NO ORGANIZED SEVERE WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

MJG/KRR

In the hours before

Special weather statement, May 27, 10:14 AM CDT, 4 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1014 AM CDT WED MAY 27 2009

TXZ231>234-246-247-271615-
BEE-CALHOUN-GOLIAD-LIVE OAK-REFUGIO-VICTORIA-
1014 AM CDT WED MAY 27 2009

...A STRONG THUNDERSTORM COMPLEX WAS AFFECTING
BEE...CALHOUN...GOLIAD...LIVE OAK...REFUGIO AND VICTORIA COUNTIES...

AT 1012 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A CLUSTER OF STRONG THUNDERSTORMS FROM 6 MILES SOUTH OF CHARCO...OR
14 MILES WEST OF GOLIAD...MOVING EAST AT 20 MPH.

MOTHBALL SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM. THIS LINE OF STRONG STORMS WILL MOVE THROUGH BEEVILLE TO
GOLIAD THROUGH 11 AM. THE THUNDERSTORMS WILL ALSO PRODUCE VERY HEAVY
RAIN WITH 1 TO 2 INCHES IN ONE HOUR.

TARDY
Local storm report, May 27, 10:37 AM CDT, 3 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1037 AM CDT WED MAY 27 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0904 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  E2.00 INCH       CALHOUN            TX   CO-OP OBSERVER

            CO-OP OBSERVER REPORTED 2 INCHES OF RAIN WITHIN 30
            MINUTES

0918 AM     FLASH FLOOD      PORT LAVACA             28.61N 96.62W
05/27/2009                   CALHOUN            TX   COUNTY OFFICIAL

            STALLED VEHICLE ON GEORGE/SEA DRIFT. WATER UP TO DOOR.

0918 AM     HAIL             8 E POINT COMFORT       28.66N 96.43W
05/27/2009  E0.25 INCH       CALHOUN            TX   COUNTY OFFICIAL

            REPORTED IN PORT ALTO

1000 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  M4.50 INCH       CALHOUN            TX   CO-OP OBSERVER

            HEAVY RAIN AND FLASH FLOODING.

&&

ATARDY
Local storm report, May 27, 11:11 AM CDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1111 AM CDT WED MAY 27 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0904 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  E2.00 INCH       CALHOUN            TX   CO-OP OBSERVER

            CO-OP OBSERVER REPORTED 2 INCHES OF RAIN WITHIN 30
            MINUTES

0918 AM     FLASH FLOOD      PORT LAVACA             28.61N 96.62W
05/27/2009                   CALHOUN            TX   COUNTY OFFICIAL

            STALLED VEHICLE ON GEORGE/SEA DRIFT. WATER UP TO DOOR.

0918 AM     HAIL             8 E POINT COMFORT       28.66N 96.43W
05/27/2009  E0.25 INCH       CALHOUN            TX   COUNTY OFFICIAL

            REPORTED IN PORT ALTO

1000 AM     HEAVY RAIN       PORT LAVACA             28.61N 96.62W
05/27/2009  M4.50 INCH       CALHOUN            TX   CO-OP OBSERVER

            HEAVY RAIN AND FLASH FLOODING.

1100 AM     HAIL             GOLIAD                  28.67N 97.39W
05/27/2009  M1.75 INCH       GOLIAD             TX   LAW ENFORCEMENT

&&

ATARDY
Special weather statement, May 27, 11:57 AM CDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1157 AM CDT WED MAY 27 2009

TXZ241>244-271745-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-
1157 AM CDT WED MAY 27 2009

...STRONG AND POSSIBLY SEVERE THUNDERSTORMS EXPECTED TO DEVELOP
ACROSS JIM WELLS...KLEBERG...NUECES AND SAN PATRICIO COUNTIES
THROUGH MID AFTERNOON...

AT 1149 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM WOODSBORO TO 12
MILES NORTH OF ALICE...MOVING SOUTHEAST AT 10 MPH.

TORRENTIAL RAINFALL...DIME SIZE HAIL...AND WINDS 40 TO 50 MPH ARE
EXPECTED WITH THESE STORMS. SOME STORMS MAY BECOME SEVERE PRODUCING
LARGE HAIL AND DAMAGING WINDS THROUGH MID AFTERNOON.

PEOPLE IN JIM WELLS...KLEBERG AND NUECES COUNTIES...INCLUDING THE
CITIES OF SANDIA...ORANGE GROVE AND EDROY...SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

MJG
Local storm report, May 27, 1:23 PM CDT, 1 hour 5 minutes before
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Local storm report, May 27, 1:59 PM CDT, 29 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 8:38 AM CDTFlash Flood WarningCRPCalhoun, Victoria112 min
May 27, 9:52 AM CDTSpecial Marine WarningCRP113 min
May 27, 10:23 AM CDTSevere Thunderstorm WarningCRPBee, Calhoun, Goliad, Refugio, Victoria52 min
May 27, 10:30 AM CDTFlash Flood WarningCRPCalhoun, Victoria2 hr
May 27, 11:07 AM CDTSevere Thunderstorm WarningCRPAransas, Bee, Calhoun, Goliad, Live Oak, Refugio and 2 more53 min
May 27, 11:26 AM CDTFlash Flood WarningCRPAransas, Bee, Calhoun, Goliad, Refugio, San Patricio and 1 more2 hr
May 27, 11:40 AM CDTSpecial Marine WarningCRP110 min
May 27, 11:44 AM CDTSevere Thunderstorm WarningCRPAransas, Bee, Calhoun, Goliad, Refugio, San Patricio and 1 more61 min
May 27, 12:15 PM CDTMarine Weather StatementCRP105 min
May 27, 12:25 PM CDTFlash Flood WarningCRPCalhoun, Victoria50 min
May 27, 12:55 PM CDTSevere Thunderstorm WarningCRPNueces65 min
May 27, 1:21 PM CDTSpecial Marine WarningCRP114 min
May 27, 1:35 PM CDTSevere Thunderstorm WarningCRPKleberg, Nueces55 min
May 27, 1:56 PM CDTAreal Flood AdvisoryCRPKleberg, Nueces, San Patricio152 days
May 27, 3:09 PM CDTSpecial Marine WarningCRP111 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009Every severe thunderstorm warning in 2009

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.