Alert archive / Texas / Red Flag Warnings in 2007

Red Flag Warning 6, NWS Austin/San Antonio, TX

March 2, 200733 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at Mar 2, 2007, 3:28 PM CST for 33 counties in Texas. It took effect at Mar 3, 2007, 9:00 AM CST. It was in force for 11 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 2, 2007, 3:28 PM CST (21:28 UTC)
In effect from
Mar 3, 2007, 9:00 AM CST
Expired
Mar 3, 2007, 8:00 PM CST
In force
11 hr
Issued by
NWS Austin/San Antonio, TX
All 33 counties

Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 57 km from the middle of the area, began a volume at 21:30 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

Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 218 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, Del Rio, TX at 12:00Z on 2007-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2007-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3423 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS84 KEWX 022128
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
328 PM CST FRI MAR 2 2007

...RED FLAG WARNING IN EFFECT FOR SATURDAY FOR SOUTH CENTRAL TEXAS
AND THE HILL COUNTRY...

.FIRE DANGERS WILL INCREASE ON SATURDAY AS A COLD FRONT PUSHES
THROUGH SOUTH CENTRAL TEXAS. THE COLD FRONT WILL BRING STRONG
NORTHERLY WINDS AND REINFORCED DRY AIR.

TXZ171>173-183>194-202>209-217>225-228-031000-
/O.UPG.KEWX.FW.A.0004.070303T1500Z-070304T0100Z/
/O.NEW.KEWX.FW.W.0006.070303T1500Z-070304T0200Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
328 PM CST FRI MAR 2 2007

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

A COLD FRONT WILL MOVE THROUGH THE REGION BEGINNING ON SATURDAY
MORNING INCREASING WINDS OUT OF THE NORTH AT 15 TO 25 MPH WITH
WIND GUSTS UP TO 30 MPH. CONDITIONS ARE ALREADY VERY DRY ACROSS
THE REGION...AND THE FRONT WILL SIMPLY REINFORCE THESE DRY
CONDITIONS. THE WINDS WILL BEGIN TO DECREASE AFTER SUNSET...DECREASING
THE CRITICAL FIRE WEATHER LEVELS.

A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES
THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG
WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS
ISSUED BY LOCAL OFFICIALS.

$$
2 follow-up statements
000 
WWUS84 KEWX 031152
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
552 AM CST SAT MAR 3 2007

...RED FLAG WARNING IN EFFECT TODAY FOR SOUTH CENTRAL TEXAS AND
THE HILL COUNTRY...

.FIRE DANGERS HIGH TODAY AS A COLD FRONT PUSHES THROUGH SOUTH
CENTRAL TEXAS. THE COLD FRONT WILL BRING STRONG NORTHERLY WINDS
AND REINFORCING DRY AIR.

TXZ171>173-183>194-202>209-217>225-228-032000-
/O.CON.KEWX.FW.W.0006.070303T1500Z-070304T0200Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
552 AM CST SAT MAR 3 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
8 PM CST THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
8 PM CST THIS EVENING. 

NORTH WINDS OF 15 TO 25 MPH WILL SPREAD ACROSS THE HILL COUNTRY
AND SOUTH CENTRAL TEXAS THIS MORNING...AND PERSIST THROUGH THE
EARLY EVENING HOURS...AS A NEW DRIER AIRMASS MOVES INTO TEXAS. THE
RELATIVE HUMIDITIES WILL FALL BELOW 25 PERCENT THIS MORNING OVER
THE EDWARDS PLATEAU...AND CONTINUE TO FALL THROUGHOUT THE DAY WITH
ALL AREAS AT OR BELOW 25 PERCENT AROUND MID AFTERNOON. CONDITIONS
ARE ALREADY VERY DRY ACROSS THE REGION...AND THE NEW AIRMASS WILL
SIMPLY REINFORCE THESE DRY CONDITIONS. THE WINDS WILL BEGIN TO
DECREASE AFTER SUNSET... DECREASING THE CRITICAL FIRE WEATHER
LEVELS.

A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES
THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG
WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS
ISSUED BY LOCAL OFFICIALS.

$$
000 
WWUS84 KEWX 032133
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
333 PM CST SAT MAR 3 2007

...RED FLAG WARNING IN EFFECT EARLY THIS EVENING FOR SOUTH CENTRAL
TEXAS AND THE HILL COUNTRY...

.FIRE WEATHER CONDITIONS WILL CONTINUE INTO EARLY THIS EVENING DUE
TO VERY LOW RELATIVE HUMIDITIES AND BREEZY NORTHERLY WINDS.

TXZ171>173-183>194-202>209-217>225-228-040200-
/O.CON.KEWX.FW.W.0006.000000T0000Z-070304T0200Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
333 PM CST SAT MAR 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING.

RELATIVE HUMIDITIES IN THE 10 TO 20 PERCENT RANGE AND NORTHERLY
WINDS OF 15 TO 25 MPH WILL PERSIST THE REMAINDER OF THIS AFTERNOON
INTO THE EARLY EVENING HOURS. THESE WILL CONTINUE THE CRITICAL
FIRE WEATHER CONDITIONS ACROSS SOUTH CENTRAL TEXAS AND THE HILL
COUNTRY.

WINDS WILL RAPIDLY DECREASE AFTER SUNSET WHILE RELATIVE HUMIDITIES
SLOWLY RECOVER ENDING THE CRITICAL FIRE WEATHER CONDITIONS.

A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES
THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG
WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS
ISSUED BY LOCAL OFFICIALS.

$$

Nearby

Red Flag Warnings in Texas, 2007Every red flag warning in 2007

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.