Alert archive / Texas / Red Flag Warnings in 2010

Red Flag Warning 6, NWS Corpus Christi, TX

March 19, 20106 counties in Texas

NWS Corpus Christi, TX issued this red flag warning at Mar 19, 2010, 9:08 PM CDT for 6 counties in Texas. It took effect at Mar 20, 2010, 1:00 PM CDT. It was in force for 8 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
Mar 19, 2010, 9:08 PM CDT (02:08 UTC)
In effect from
Mar 20, 2010, 1:00 PM CDT
Expired
Mar 20, 2010, 9:00 PM CDT
In force
8 hr
Issued by
NWS Corpus Christi, TX

Counties Duval County, TX, Jim Wells County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Webb County, TX

The radar

The Corpus Christi radar (KCRP), 113 km from the middle of the area, began a volume at 02:11 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, 2.1 hours before the alert went out and 130 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 2010-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 2010-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897117136Sfc1 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
25 J/kg
Mixed-layer CIN
-223 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
206 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 red flag 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 red flag warning went out at Mar 19, 6:47 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Mar 19, 6:47 PM CDT, 2 hours 21 minutes before
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Hazardous weather outlook, Mar 19, 5:06 AM CDT, 16 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
506 AM CDT FRI MAR 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-
506 AM CDT FRI MAR 19 2010

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

.DAY ONE...TODAY AND TONIGHT

WIND ADVISORY CONDITIONS EXPECTED TODAY ACROSS THE SOUTHERN
COASTAL BEND. SMALL CRAFT ADVISORY CONDITIONS EXPECTED FOR THE
MIDDLE TEXAS COASTAL WATERS BY LATE THIS MORNING. OTHERWISE...NO
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

GALE CONDITIONS ARE POSSIBLE OVER THE OFFSHORE WATERS SATURDAY
EVENING THROUGH SUNDAY MORNING. SMALL CRAFT ADVISORY CONDITIONS ARE
EXPECTED SATURDAY EVENING THROUGH SUNDAY MORNING OVER THE REST OF
THE COASTAL WATERS. THERE IS AN ELEVATED FIRE DANGER...WITH POSSIBLE
RED FLAG CONDITIONS...FOR PORTIONS OF WESTERN SOUTH TEXAS SATURDAY
AFTERNOON AND EVENING BEHIND THE COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

RG/AK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 9:40 PM CDTGale WarningCRP31 hr
Mar 20, 4:00 AM CDTWind AdvisoryCRPAransas, Bee, Calhoun, Duval, Goliad, Jim Wells and 9 more17 hr
Mar 20, 5:09 AM CDTFire Weather WatchCRPAransas, Bee, Calhoun, Duval, Goliad, Jim Wells and 9 more23 hr
Mar 20, 9:02 AM CDTSevere Thunderstorm WarningCRPVictoria58 min
Mar 20, 9:45 AM CDTSpecial Marine WarningCRP3 hr
Mar 20, 9:46 AM CDTSevere Thunderstorm WarningCRPCalhoun, Victoria59 min
Mar 20, 10:36 AM CDTSpecial Marine WarningCRP3 hr
Mar 20, 10:36 AM CDTSevere Thunderstorm WarningCRPNueces, San Patricio39 min

Nearby

Red Flag Warnings in Texas, 2010Every red flag 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.