Alert archive / Texas / Red Flag Warnings in 2009

Red Flag Warning 2, NWS Austin/San Antonio, TX

January 19, 200933 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at Jan 19, 2009, 3:06 PM CST for 33 counties in Texas. It took effect at Jan 20, 2009, 9:00 AM CST. It was in force for 9 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
Jan 19, 2009, 3:06 PM CST (21:06 UTC)
In effect from
Jan 20, 2009, 9:00 AM CST
Expired
Jan 20, 2009, 6:00 PM CST
In force
9 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 21:04 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, 9.1 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 2009-01-19Temperature 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 2009-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4797 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
124 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 192106
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
306 PM CST MON JAN 19 2009

...A RED FLAG WARNING WILL CONTINUE FOR ALL OF SOUTH CENTRAL TEXAS
AND THE HILL COUNTRY THROUGH THE REMAINDER OF THIS AFTERNOON...

...A RED FLAG WARNING IS NOW IN EFFECT FOR ALL OF SOUTH CENTRAL
TEXAS AND THE HILL COUNTRY TUESDAY...

.A VERY DRY AIRMASS WILL PERSIST ACROSS SOUTH CENTRAL TEXAS THIS
AFTERNOON THROUGH TUESDAY. RELATIVE HUMIDITIES HAVE FALLEN INTO
THE TEENS THIS AFTERNOON AND WILL FALL INTO THE TEENS AGAIN ON
TUESDAY. MODERATE NORTHWESTERLY WINDS ALOFT HAVE MIXED TO THE
SURFACE TODAY AND WILL DO SO AGAIN ON TUESDAY IN THE WAKE OF A
WEAK COLD FRONT. SUSTAINED WINDS OF 15 TO 20 MPH WITH GUSTS TO
AROUND 25 MPH WILL CONTINUE THROUGH LATE AFTERNOON AND THEN
REDEVELOP AGAIN ON TUESDAY.

TXZ171>173-183>194-202>209-217>225-228-200515-
/O.UPG.KEWX.FW.A.0002.090120T1600Z-090121T0000Z/
/O.NEW.KEWX.FW.W.0002.090120T1500Z-090121T0000Z/
/O.EXT.KEWX.FW.W.0001.000000T0000Z-090120T0000Z/
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-
306 PM CST MON JAN 19 2009

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 6 PM CST
TUESDAY. THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

RELATIVE HUMIDITIES WILL REMAIN THE TEENS THROUGH LATE AFTERNOON.
AFTER A SLIGHT RECOVERY TONIGHT...THEY WILL FALL INTO THE TEENS
AGAIN ON TUESDAY. NORTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS TO
AROUND 25 MPH WILL CONTINUE THROUGH LATE AFTERNOON. THE WINDS WILL
DIMINISH TONIGHT AND THEN INCREASE TO 15 TO 20 MPH WITH GUSTS TO
NEAR 25 MPH ON TUESDAY.

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 200341
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
941 PM CST MON JAN 19 2009

...A RED FLAG WARNING IS NOW IN EFFECT FOR ALL OF SOUTH CENTRAL
TEXAS AND THE HILL COUNTRY TUESDAY...

.A VERY DRY AIRMASS WILL PERSIST ACROSS SOUTH CENTRAL TEXAS THROUGH
TUESDAY. MODERATE NORTHWESTERLY WINDS ALOFT WILL AGAIN MIX TO THE
SURFACE ON TUESDAY IN THE WAKE OF A WEAK COLD FRONT. SUSTAINED
WINDS OF 15 TO 20 MPH WITH GUSTS TO AROUND 25 MPH WILL REDEVELOP
ON TUESDAY.

TXZ171>173-183>194-202>209-217>225-228-201145-
/O.CON.KEWX.FW.W.0002.090120T1500Z-090121T0000Z/
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-
941 PM CST MON JAN 19 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 6 PM CST
TUESDAY...

A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 6 PM CST
TUESDAY. 

RELATIVE HUMIDITIES WILL MAKE A SLIGHT RECOVERY TONIGHT...THEN FALL
INTO THE TEENS AGAIN ON TUESDAY. NORTHWEST WINDS OF 15 TO 20 MPH
WITH GUSTS TO AROUND 25 MPH WILL RETURN TUESDAY MORNING.

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 201034
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
434 AM CST TUE JAN 20 2009

...A RED FLAG WARNING IN EFFECT FOR ALL OF SOUTH CENTRAL TEXAS
AND THE HILL COUNTRY TUESDAY FROM 9 AM TO 6 PM CST...

.A VERY DRY AIRMASS WILL PERSIST ACROSS SOUTH CENTRAL TEXAS
THROUGH TODAY. MODERATE NORTHWESTERLY WINDS ALOFT WILL AGAIN MIX
TO THE SURFACE TODAY IN THE WAKE OF A COLD FRONT. SUSTAINED WINDS
OF 15 TO 20 MPH WITH GUSTS TO AROUND 25 MPH WILL REDEVELOP 
TODAY.

TXZ171>173-183>194-202>209-217>225-228-202200-
/O.CON.KEWX.FW.W.0002.090120T1500Z-090121T0000Z/
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-
434 AM CST TUE JAN 20 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
6 PM CST THIS AFTERNOON...

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

RELATIVE HUMIDITIES WILL FALL INTO THE TEENS AGAIN TODAY...AS 
NORTHWEST WINDS PICKUP TO 15 TO 20 MPH...WITH GUSTS TO AROUND
25 MPH. WINDS ARE FORECAST TO DIMINISH LATE THIS AFTERNOON AND
THIS EVENING.  

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 202143
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
343 PM CST TUE JAN 20 2009

...A RED FLAG WARNING REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL
TEXAS AND THE HILL COUNTRY THROUGH 6 PM CST...

TXZ171>173-183>194-202>209-217>225-228-210000-
/O.CON.KEWX.FW.W.0002.000000T0000Z-090121T0000Z/
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-
343 PM CST TUE JAN 20 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

RELATIVE HUMIDITIES WILL BE LESS THAN 20 PERCENT THIS AFTERNOON...AS
NORTHWEST WINDS WILL REMAIN AT 15 TO 20 MPH...WITH GUSTS TO AROUND
25 MPH. WINDS WILL BEGIN TO DIMINISH AFTER 6 PM.

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
Jan 18, 8:40 PM CSTRed Flag WarningEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more21 hr
Jan 19, 4:42 AM CSTFire Weather WatchEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more10 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.