Alert archive / Texas / Red Flag Warnings in 2008

Red Flag Warning 9, NWS Austin/San Antonio, TX

February 6, 200828 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at Feb 6, 2008, 3:45 PM CST for 28 counties in Texas. It took effect at Feb 7, 2008, 11:00 AM CST. It was in force for 5 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 6, 2008, 3:45 PM CST (21:45 UTC)
In effect from
Feb 7, 2008, 11:00 AM CST
Expired
Feb 7, 2008, 4:08 PM CST
In force
5 hr
Issued by
NWS Austin/San Antonio, TX
All 28 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, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kinney 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), 79 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 197 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 2008-02-06Temperature 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 2008-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -153 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2012 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-153 m²/s²
0-3 km storm-relative helicity
-146 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 062145
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
345 PM CST WED FEB 6 2008

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 3 PM CST THURSDAY FOR
THE HILL COUNTRY AND PORTIONS OF SOUTH CENTRAL TEXAS...

.A PACIFIC FRONT WILL MOVE INTO SOUTH CENTRAL TEXAS ON THURSDAY.
THIS WILL BRING BREEZY WEST AND NORTHWEST WINDS TO ALREADY DRY
CONDITIONS. AS SOON AS THE WINDS SHIFT IN THE MORNING...IT IS
LIKELY RED FLAG CRITERIA WILL BE MET...AS RELATIVE HUMIDITIES WILL
LOWER TO LESS THAN 25 PERCENT QUICKLY. THIS WILL CREATE CRITICAL
FIRE WEATHER CONDITIONS.

TXZ171>173-183>194-202>208-217>221-228-071300-
/O.NEW.KEWX.FW.W.0009.080207T1400Z-080207T2100Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-
ATASCOSA-WILSON-DIMMIT-
345 PM CST WED FEB 6 2008

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 3 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 AM TO 3 PM CST
THURSDAY. 

A PACIFIC FRONT WILL MOVE INTO SOUTH CENTRAL TEXAS ON THURSDAY.
THIS WILL BRING WEST AND NORTHWEST WINDS OF 15 TO 20 MPH WITH
POSSIBLE GUSTS TO 25 MPH TO THE REGION. RELATIVE HUMIDITIES WILL
DROP BELOW 25 PERCENT AFTER THE WIND SHIFT. THIS WILL CREATE
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.

$$
2 follow-up statements
000 
WWUS84 KEWX 070932
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
332 AM CST THU FEB 7 2008

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 4 PM CST TODAY FOR THE
HILL COUNTRY AND MUCH OF SOUTH CENTRAL TEXAS...

.A PACIFIC COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS TODAY. 
THIS WILL RESULT IN WEST AND NORTHWEST WINDS OF 10 TO 20 MPH WITH
RELATIVE HUMIDITIES FALLING BELOW 25 PERCENT IN THE AFTERNOON. 

TXZ171>173-183>194-202>208-217>221-228-072200-
/O.EXT.KEWX.FW.W.0009.080207T1700Z-080207T2200Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-
ATASCOSA-WILSON-DIMMIT-
332 AM CST THU FEB 7 2008

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 4 PM
CST THIS AFTERNOON...

A PACIFIC COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS TODAY. 
THIS WILL RESULT IN WEST AND NORTHWEST WINDS OF 10 TO 20 MPH WITH
RELATIVE HUMIDITIES FALLING BELOW 25 PERCENT IN THE AFTERNOON. 

CONDITIONS WILL ALSO APPROACH RED FLAG WARNING CRITERIA ON FRIDAY
AFTERNOON ACROSS THE EDWARDS PLATEAU.

EXTREME FIRE DANGER WILL CONTINUE THROUGH THE WEEKEND MAINLY ALONG
AND WEST OF THE I-35 CORRIDOR. VERY DRY CONDITIONS PERSIST ACROSS
SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. GRASSES ARE CURED AND
PLENTIFUL RESULTING AMPLE FUEL FOR GRASS AND WILDLAND FIRES.
CONDITIONS ARE NOT EXPECTED TO IMPROVE UNTIL THE SPRING RAINS
RETURN RESULTING IN THE GREEN-UP OF VEGETATION.

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 072208
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
408 PM CST THU FEB 7 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 4 PM CST FRIDAY FOR
PORTIONS OF SOUTH CENTRAL TEXAS...
...RED FLAG WARNING IS CANCELLED FOR TODAY...

.WINDS WILL BE BREEZY ONCE AGAIN FRIDAY AS A TROUGH SWEEPS THROUGH
THE SOUTHERN PLAINS. WINDS WILL BECOME WESTERLY AT 10 TO 15 MPH WITH
GUSTS OF 20 TO 25 MPH. RELATIVE HUMIDITIES WILL LOWER TO LESS THAN
25 PERCENT. THIS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS
DURING THE DAY ON FRIDAY.

TXZ171>173-184>194-203>208-219>221-081300-
/O.CAN.KEWX.FW.W.0009.000000T0000Z-080207T2200Z/
/O.NEW.KEWX.FW.W.0010.080208T1600Z-080208T2200Z/
LLANO-BURNET-WILLIAMSON-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-
KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-UVALDE-MEDINA-BEXAR-COMAL-
GUADALUPE-CALDWELL-FRIO-ATASCOSA-WILSON-
408 PM CST THU FEB 7 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 4 PM CST FRIDAY...
...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 4 PM CST
FRIDAY. THE RED FLAG WARNING HAS BEEN CANCELLED. 

EXTREME FIRE DANGER WILL CONTINUE THROUGH FRIDAY. VERY DRY
CONDITIONS WILL PERSIST ACROSS SOUTH CENTRAL TEXAS AND THE HILL
COUNTRY. WINDS WILL INCREASE IN THE LATE MORNING OUT OF THE WEST
AT 10 TO 15 MPH WITH GUSTS OF 20 TO 25 MPH.

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.

$$

TXZ183-202-217-218-228-072315-
/O.CAN.KEWX.FW.W.0009.000000T0000Z-080207T2200Z/
VAL VERDE-KINNEY-MAVERICK-ZAVALA-DIMMIT-
408 PM CST THU FEB 7 2008

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELLED
THE RED FLAG WARNING. 

THE WINDS WILL BEGIN TO DIMINISH LATE THIS AFTERNOON RESULTING IN LESS
MIXING OCCURRING. THUS...THE RED FLAG WARNING HAS BEEN CANCELLED
AS OF 4 PM. THE RELATIVE HUMIDITIES WILL RECOVER SLOWLY THIS
EVENING.

$$

TXZ209-222>225-081300-
/O.NEW.KEWX.FW.W.0010.080208T1600Z-080208T2200Z/
FAYETTE-KARNES-GONZALES-DE WITT-LAVACA-
408 PM CST THU FEB 7 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 4 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 4 PM CST
FRIDAY. 

EXTREME FIRE DANGER WILL CONTINUE THROUGH FRIDAY. VERY DRY
CONDITIONS WILL PERSIST ACROSS SOUTH CENTRAL TEXAS AND THE HILL
COUNTRY. WINDS WILL INCREASE IN THE LATE MORNING OUT OF THE WEST
AT 10 TO 15 MPH WITH GUSTS OF 20 TO 25 MPH.

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.

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 5, 6:04 PM CSTSevere Thunderstorm WarningEWXLavaca14 min

Nearby

Red Flag Warnings in Texas, 2008Every red flag warning in 2008

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.