Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 102, NWS Corpus Christi, TX

November 19, 2009Aransas County, Calhoun County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Nov 19, 2009, 8:36 PM CST for Aransas County, Calhoun County, Texas. It was in force for 54 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
Nov 19, 2009, 8:36 PM CST (02:36 UTC)
Expired
Nov 19, 2009, 9:30 PM CST
In force
54 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

Counties Aransas County, TX, Calhoun County, TX

The radar

The Corpus Christi radar (KCRP), 82 km from the middle of the area, began a volume at 02:36 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.

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 Nov 19, 5:26 PM CST, 3 hours 10 minutes earlier.

Area forecast discussion, Nov 19, 5:26 PM CST, 3 hours 10 minutes before
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Hazardous weather outlook, Nov 19, 5:33 AM CST, 15 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
533 AM CST THU NOV 19 2009

GMZ230-235-250-255-270-275-TXZ229>234-239>247-201145-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR-
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT
20 NM-WATERS FROM BAFFIN BAY TO PORT ARANSAS FROM 20 TO 60 NM-
WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
533 AM CST THU NOV 19 2009

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

.DAY ONE...TODAY AND TONIGHT

A VIGOROUS UPPER LEVEL STORM SYSTEM WILL APPROACH SOUTH TEXAS
FROM THE WEST TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS THIS
EVENING WILL BECOME WIDESPREAD AFTER MIDNIGHT AS THE SYSTEM APPROACHES
AND A SURFACE LOW DEVELOPS ACROSS THE COASTAL PLAINS. ISOLATED STRONG
TO SEVERE THUNDERSTORMS WILL BE POSSIBLE...HOWEVER THE MAIN THREAT
WITH THESE STORMS WILL BE FROM LOCALLY HEAVY RAINFALL. THE STRONGER
STORMS WILL HAVE THE POTENTIAL TO PRODUCE SEVERAL INCHES OF
RAINFALL IN A SHORT PERIOD OF TIME AND LOCALIZED FLOODING WILL BE
POSSIBLE. THE MAIN THREAT FOR HEAVY RAINFALL WILL BE EAST OF
HIGHWAY 281 ACROSS THE COASTAL PLAINS.

STRONG ONSHORE FLOW WILL DEVELOP TONIGHT ACROSS THE GULF WATERS
IN RESPONSE TO LOW PRESSURE DEVELOPING ACROSS THE COASTAL PLAINS.
WINDS ARE EXPECTED TO INCREASE TO 20 TO 25 KNOTS ACROSS THE OPEN
GULF WATERS AND SMALL CRAFT ADVISORIES WILL LIKELY BE REQUIRED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER SOUTH TEXAS THROUGH
FRIDAY AS A VIGOROUS LOW PRESSURE SYSTEM MOVES ACROSS THE REGION.
THE THREAT OF FLOODING WILL INCREASE THROUGH FRIDAY MORNING AS LOCALLY
HEAVY RAINFALL PERSISTS. RAINFALL TOTALS EAST OF INTERSTATE 37
FROM LATE TONIGHT THROUGH FRIDAY ARE EXPECTED TO REACH 3 TO 4
INCHES WITH ISOLATED AMOUNTS AROUND 6 INCHES POSSIBLE. RAINFALL AMOUNTS
WEST OF INTERSTATE 37 ARE FORECAST TO RANGE BETWEEN 1/4 INCH AND 2
INCHES WITH THE LOWER AMOUNTS OCCURRING NEAR THE RIO GRANDE.
ISOLATED 3 TO 4 INCH AMOUNTS WILL BE POSSIBLE ACROSS THE BRUSH
COUNTRY AND RIO GRANDE PLAINS. ISOLATED STRONG AND A VERY LOW
CHANCE OF SEVERE THUNDERSTORMS WILL ALSO CONTINUE FRIDAY MAINLY
ACROSS THE COASTAL PLAINS AND ADJACENT GULF WATERS. THUNDERSTORMS
AND THE THREAT FOR HEAVY RAINFALL WILL END FROM WEST TO EAST
FRIDAY AFTERNOON AND EVENING AS THE LOW PRESSURE SYSTEM MOVES
THROUGH SOUTH TEXAS.

SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH
FRIDAY NIGHT AS SURFACE LOW PRESSURE MOVES EAST OF THE REGION
CAUSING A STRONG OFFSHORE FLOW TO DEVELOP IN ITS WAKE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

MJG/TM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 19, 7:15 PM CSTSpecial Marine WarningCRP60 min
Nov 19, 8:08 PM CSTSpecial Marine WarningCRP67 min
Nov 19, 9:05 PM CSTSpecial Marine WarningCRP85 min
Nov 19, 9:08 PM CSTSevere Thunderstorm WarningCRPAransas, Calhoun, Refugio, Victoria67 min
Nov 19, 9:50 PM CSTSevere Thunderstorm WarningCRPAransas, Calhoun55 min
Nov 19, 10:19 PM CSTSpecial Marine WarningCRP56 min
Nov 19, 10:55 PM CSTSpecial Marine WarningCRP2 hr
Nov 20, 12:47 AM CSTSpecial Marine WarningCRP88 min
Nov 20, 2:02 AM CSTSpecial Marine WarningCRP88 min
Nov 20, 5:07 AM CSTFlash Flood WarningCRPAransas113 min
Nov 20, 7:01 AM CSTAreal Flood WarningCRPAransas3 hr
Nov 20, 8:17 AM CSTFlash Flood WarningCRPSan Patricio95 min
Nov 20, 8:31 AM CSTRiver Flood WarningCRPCalhoun, Victoria8 days
Nov 20, 12:55 PM CSTFlash Flood WarningCRPBee, Goliad3 hr
Nov 20, 2:51 PM CSTRiver Flood WarningCRPBee, Nueces, San Patricio5 hr
Nov 20, 2:51 PM CSTRiver Flood WarningCRPRefugio5 days
Nov 20, 2:54 PM CSTFlash Flood WarningCRPAransas, Calhoun, Refugio, Victoria3 hr
Nov 20, 3:10 PM CSTRiver Flood WarningCRPCalhoun, Victoria5 days
Nov 20, 3:24 PM CSTSmall Craft AdvisoryCRP3 hr

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; radar from the NEXRAD Level II archive.