Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 85, NWS Corpus Christi, TX

September 19, 2010Nueces County, San Patricio County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Sep 19, 2010, 11:52 AM CDT for Nueces County, San Patricio County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 19, 2010, 11:52 AM CDT (16:52 UTC)
Expired
Sep 19, 2010, 3:45 PM CDT
In force
4 hr
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Flood severity
None

Counties Nueces County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 10 km from the middle of the area, began a volume at 16:53 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, 4.9 hours before the alert went out and 24 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 2010-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1929 joules per kilogram.LCLEL10008507005003002001001 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 2010-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1929 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Sep 19, 10:21 AM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Sep 19, 10:21 AM CDT, 1 hour 31 minutes before
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Hazardous weather outlook, Sep 19, 5:11 AM CDT, 6 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
511 AM CDT SUN SEP 19 2010

GMZ230-235-250-255-270-275-TXZ229>234-239>247-201015-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O'CONNOR-
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-
511 AM CDT SUN SEP 19 2010

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

.DAY ONE...TODAY AND TONIGHT

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE COASTAL COUNTIES
TODAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL EARLY THIS
AFTERNOON FOR THE OFFSHORE WATERS. A COASTAL FLOOD ADVISORY IS IN
EFFECT BETWEEN BAFFIN BAY AND THE MATAGORDA SHIP CHANNEL.
OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS...ALONG WITH LOCALLY
HEAVY RAINFALL...ARE EXPECTED TODAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

HEAVY RAIN IS POSSIBLE MONDAY DUE TO DEEP TROPICAL MOISTURE
LINGERING ACROSS SOUTH TEXAS. THERE IS ALSO A LOW POTENTIAL FOR
ISOLATED WATERSPOUTS AND WEAK TORNADOES THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY NEED TO BE ACTIVATED TODAY DUE TO THE POTENTIAL FOR
FLOODING...ESPECIALLY OVER THE FLASH FLOOD ADVISORY AREA.

87/84

In the hours before

Local storm report, Sep 19, 10:37 AM CDT, 1 hour 15 minutes before
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Local storm report, Sep 19, 10:46 AM CDT, 1 hour 6 minutes before
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Local storm report, Sep 19, 10:54 AM CDT, 58 minutes before
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Local storm report, Sep 19, 10:59 AM CDT, 53 minutes before
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Local storm report, Sep 19, 11:34 AM CDT, 18 minutes before
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Local storm report, Sep 19, 11:45 AM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1145 AM CDT SUN SEP 19 2010

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

1135 AM     FLASH FLOOD      4 NNE ROBSTOWN          27.85N 97.64W
09/19/2010                   NUECES             TX   NWS EMPLOYEE

            COUNTY ROAD 69 BETWEEN ROBSTOWN AND CALALLEN HAS OVER 1
            FOOT OF WATER OVER THE ROAD.

&&

TM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 8:14 PM CDTAreal Flood AdvisoryCRPNueces, San Patricio3 hr
Sep 18, 9:09 PM CDTAreal Flood AdvisoryCRPJim Wells3 hr
Sep 18, 9:34 PM CDTAreal Flood AdvisoryCRPAransas, Refugio3 hr
Sep 18, 10:08 PM CDTSpecial Marine WarningCRP3 hr
Sep 19, 5:53 AM CDTRiver Flood WarningCRPNueces5 days
Sep 19, 6:23 AM CDTAreal Flood AdvisoryCRPCalhoun82 min
Sep 19, 7:34 AM CDTAreal Flood AdvisoryCRPDuval, Jim Wells, Kleberg86 min
Sep 19, 8:13 AM CDTSpecial Marine WarningCRP62 min
Sep 19, 8:53 AM CDTFlash Flood WarningCRPKleberg, Nueces3 hr
Sep 19, 9:15 AM CDTSpecial Marine WarningCRP2 hr
Sep 19, 9:26 AM CDTFlash Flood WarningCRPSan Patricio3 hr
Sep 19, 12:00 PM CDTAreal Flood WarningCRPKleberg3 hr
Sep 19, 12:02 PM CDTSpecial Marine WarningCRP118 min
Sep 19, 1:02 PM CDTSpecial Marine WarningCRP28 min
Sep 19, 1:02 PM CDTTornado WarningCRPAransas, Nueces, San Patricio28 min
Sep 19, 1:05 PM CDTRiver Flood WarningCRPRefugio5 days
Sep 19, 1:31 PM CDTSpecial Marine WarningCRP119 min
Sep 19, 2:00 PM CDTTornado WarningCRPAransas, Nueces30 min
Sep 19, 2:14 PM CDTFlash Flood WarningCRPAransas, Nueces, Refugio, San Patricio3 hr
Sep 19, 2:36 PM CDTRiver Flood WarningCRPNueces, San Patricio54 hr
Sep 19, 2:36 PM CDTRiver Flood WarningCRPNueces, San Patricio70 hr
Sep 19, 3:22 PM CDTFlash Flood WarningCRPBee4 hr
Sep 19, 3:39 PM CDTAreal Flood WarningCRPNueces, San Patricio3 hr
Sep 19, 5:08 PM CDTAreal Flood WarningCRPAransas, Refugio4 hr
Sep 19, 5:39 PM CDTRiver Flood WarningCRPBee, Nueces, San Patricio40 hr
Sep 19, 6:21 PM CDTFlash Flood WarningCRPGoliad3 hr

Nearby

Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010

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.