Alert archive / Texas / Red Flag Warnings in 2007

Red Flag Warning 5, NWS Austin/San Antonio, TX

February 28, 200733 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at Feb 28, 2007, 2:57 PM CST for 33 counties in Texas. It took effect at Mar 1, 2007, 6:00 AM CST. It was in force for 13 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 28, 2007, 2:57 PM CST (20:57 UTC)
In effect from
Mar 1, 2007, 6:00 AM CST
Expired
Mar 1, 2007, 7:00 PM CST
In force
13 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 21:02 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, 9.0 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 2007-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.1939587897117Sfc1 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
4 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
325 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 282057
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
257 PM CST WED FEB 28 2007

...RED FLAG WARNING IN EFFECT FOR THURSDAY FOR ALL OF SOUTH
CENTRAL TEXAS DUE TO GUSTY WINDS AND EXTREMELY LOW RELATIVE
HUMIDITIES...

.A DRY PACIFIC FRONT WILL PUSH ACROSS SOUTH CENTRAL TEXAS EARLY
THURSDAY MORNING. BEHIND THE FRONT...GUSTY WINDS AND EXTREMELY
LOW RELATIVE HUMIDITIES WILL CONTRIBUTE TO THE POTENTIAL FOR
DANGEROUS AND FAST-SPREADING FIRES.

TXZ171>173-183>194-202>209-217>225-228-010500-
/O.UPG.KEWX.FW.A.0003.070301T1500Z-070302T0400Z/
/O.NEW.KEWX.FW.W.0005.070301T1200Z-070302T0100Z/
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-
257 PM CST WED FEB 28 2007

...RED FLAG WARNING IN EFFECT FROM 6 AM TO 7 PM CST THURSDAY DUE 
TO GUSTY WINDS AND EXTREMELY LOW RELATIVE HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 AM TO 7 PM CST
THURSDAY. THE RED FLAG WARNING IS AN UPGRADE FROM THE EARLIER 
FIRE WEATHER WATCH.

NORTHWEST WINDS OF 15 TO 25 MPH WITH SOME GUSTS UP TO 30
MPH WILL COMBINE WITH RELATIVE HUMIDITIES IN THE SINGLE DIGITS AND
TEENS...AND CONTRIBUTE TO THE POTENTIAL FOR DANGEROUS AND FAST-
SPREADING FIRES.

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.

$$
3 follow-up statements
000 
WWUS84 KEWX 011010
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
410 AM CST THU MAR 1 2007

...RED FLAG WARNING IN EFFECT FOR THURSDAY FOR ALL OF SOUTH
CENTRAL TEXAS DUE TO STRONG WINDS AND EXTREMELY LOW RELATIVE
HUMIDITIES...

.A DRY PACIFIC FRONT WILL PUSH ACROSS SOUTH CENTRAL TEXAS EARLY
THIS MORNING. BEHIND THE FRONT...STRONG...GUSTY WINDS AND EXTREMELY
LOW RELATIVE HUMIDITIES WILL CONTRIBUTE TO THE POTENTIAL FOR
DANGEROUS AND FAST-SPREADING FIRES.

TXZ171>173-183>194-202>209-217>225-228-011815-
/O.CON.KEWX.FW.W.0005.070301T1200Z-070302T0100Z/
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-
410 AM CST THU MAR 1 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING.

NORTHWEST WINDS OF 15 TO 25 MPH WITH SOME GUSTS UP TO 30 MPH WILL
COMBINE WITH RELATIVE HUMIDITIES IN THE SINGLE DIGITS AND TEENS...
AND CONTRIBUTE TO THE POTENTIAL FOR DANGEROUS AND FAST SPREADING
FIRES.

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 012135
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
335 PM CST THU MAR 1 2007

...A CRITICAL FIRE WEATHER PATTERN REMAINS IN PLACE WITH EXTREMELY
DRY CONDITIONS FORECAST THROUGH THE WEEKEND...

.A DRY PACIFIC FRONT PUSHED ACROSS SOUTH CENTRAL TEXAS THIS MORNING.
BEHIND THE FRONT...STRONG...GUSTY WINDS AND EXTREMELY LOW RELATIVE
HUMIDITIES PREVAILED. ANOTHER COLD FRONT WILL PUSH THROUGH ON 
SATURDAY WITH SIMILAR CONDITIONS EXPECTED.

TXZ171>173-183>194-202>209-217>225-228-020100-
/O.NEW.KEWX.FW.A.0004.070303T1500Z-070304T0100Z/
/O.CON.KEWX.FW.W.0005.000000T0000Z-070302T0100Z/
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-
335 PM CST THU MAR 1 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS
EVENING DUE TO GUSTY WINDS AND EXTREMELY LOW RELATIVE HUMIDITIES...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT
UNTIL 7 PM CST THIS EVENING. 

NORTHWEST WINDS OF 15 TO 25 MPH WITH SOME GUSTS UP TO 30 MPH WILL
CONTINUE THROUGH 7 PM CST WITH RELATIVE HUMIDITIES IN THE SINGLE
DIGITS AND TEENS...CONTRIBUTING TO THE POTENTIAL FOR DANGEROUS AND
FAST SPREADING FIRES. SIMILAR CONDITIONS...ALTHOUGH NOT QUITE AS
DRY OR WINDY...ARE EXPECTED ON SATURDAY.

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.

A FIRE WEATHER WATCH MEANS WEATHER CONDITIONS ARE EXPECTED TO
PROMOTE FIRES THAT WILL BE DIFFICULT TO CONTROL ACROSS THE WATCH
AREA. A FIRE WEATHER WATCH IS COMPLETELY SEPARATE FROM A LOCAL
BURN BAN WHICH IS ISSUED BY LOCAL OFFICIALS.

$$
000 
WWUS84 KEWX 020115
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
715 PM CST THU MAR 1 2007

...A CRITICAL FIRE WEATHER PATTERN REMAINS IN PLACE WITH
EXTREMELY DRY CONDITIONS FORECAST THROUGH THE WEEKEND...

.VERY DRY AIR WILL CONTINUE THROUGH THIS WEEKEND. ANOTHER COLD
FRONT WILL PUSH THROUGH ON SATURDAY WITH WEATHER CONDITIONS
REACHING CRITICAL LEVELS.

TXZ171>173-183>194-202>209-217>225-228-022230-
/O.EXP.KEWX.FW.W.0005.000000T0000Z-070302T0100Z/
/O.CON.KEWX.FW.A.0004.070303T1500Z-070304T0100Z/
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-
715 PM CST THU MAR 1 2007

...RED FLAG WARNING HAS EXPIRED...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. A FIRE WEATHER WATCH
REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING.

ALTHOUGH THE STRONG WINDS RECEIVED EARLIER TODAY HAVE DECREASED...
VERY DRY CONDITIONS WILL CONTINUE THROUGH THIS WEEKEND. BREEZY
CONDITIONS AND DRY CONDITIONS ARE EXPECTED AGAIN WITH ANOTHER DRY
FRONT SATURDAY...ALTHOUGH NOT QUITE AS SEVERE AS THOSE SEEN THIS
AFTERNOON.

A FIRE WEATHER WATCH MEANS WEATHER CONDITIONS ARE EXPECTED TO
PROMOTE FIRES THAT WILL BE DIFFICULT TO CONTROL ACROSS THE WATCH
AREA. A FIRE WEATHER WATCH 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.