Alert archive / Texas / Red Flag Warnings in 2009

Red Flag Warning 6, NWS Corpus Christi, TX

February 10, 200915 counties in Texas

NWS Corpus Christi, TX issued this red flag warning at Feb 10, 2009, 6:01 AM CST for 15 counties in Texas. It took effect at Feb 11, 2009, 12:00 AM CST. It was in force for 16 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
Feb 10, 2009, 6:01 AM CST (12:01 UTC)
In effect from
Feb 11, 2009, 12:00 AM CST
Expired
Feb 11, 2009, 4:00 PM CST
In force
16 hr
Issued by
NWS Corpus Christi, TX

Counties Aransas County, TX, Bee County, TX, Calhoun County, TX, Duval County, TX, Goliad County, TX, Jim Wells County, TX, Kleberg County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Webb County, TX

The radar

The Corpus Christi radar (KCRP), 50 km from the middle of the area, began a volume at 12:05 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, 0.0 hours before the alert went out and 66 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 2009-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 2009-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
14 J/kg
Mixed-layer CIN
-294 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Feb 10, 5:22 AM CST, 39 minutes earlier.

Area forecast discussion, Feb 10, 5:22 AM CST, 39 minutes before
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Hazardous weather outlook, Feb 9, 12:19 PM CST, 17 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1219 PM CST MON FEB 9 2009

GMZ230-235-250-255-270-275-TXZ229>234-239>247-101830-
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-
1219 PM CST MON FEB 9 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SMALL CRAFT ADVISORIES WILL CONTINUE DUE TO LARGE SEAS FOR THE
NEARSHORE AND OFFSHORE WATERS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SMALL CRAFT ADVISORIES WILL CONTINUE THROUGH MUCH OF THE PERIOD
FOR THE COASTAL WATERS.

A FIRE WEATHER WATCH WILL BE ISSUED FOR WEDNESDAY. CRITICALLY LOW
HUMIDITIES BELOW 10 PERCENT ALONG WITH NORTHWEST WINDS GUSTING TO
25 MPH OR MORE WILL PRODUCE WIDESPREAD RED FLAG WARNING
CONDITIONS. THIS WILL BE A VERY DANGEROUS FIRE THREAT.

THERE WILL BE A SLIGHT RISK OF A SEVERE STORM OR TWO ACROSS THE
NORTHEAST COASTAL BEND FROM LATE TUESDAY EVENING INTO TO EARLY
WEDNESDAY MORNING. STRONG WINDS AND LARGE HAIL WOULD BE THE MAIN
THREATS IF SEVERE STORMS DO IN FACT DEVELOP ALONG AND AHEAD OF A
RAPIDLY APPROACHING COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY TUESDAY EVENING.

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 9, 6:26 PM CSTMarine Weather StatementCRP17 hr
Feb 10, 3:40 AM CSTWind AdvisoryCRPBee, Goliad, Kleberg, Nueces, Refugio, San Patricio and 1 more15 hr

Nearby

Red Flag Warnings in Texas, 2009Every red flag 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.