Alert archive / Texas / Red Flag Warnings in 2008

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

January 10, 200827 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at Jan 10, 2008, 6:45 AM CST for 27 counties in Texas. It took effect at Jan 10, 2008, 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 10, 2008, 6:45 AM CST (12:45 UTC)
In effect from
Jan 10, 2008, 9:00 AM CST
Expired
Jan 10, 2008, 6:00 PM CST
In force
9 hr
Issued by
NWS Austin/San Antonio, TX
All 27 counties

Atascosa County, TX, Bandera 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, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney 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), 88 km from the middle of the area, began a volume at 12:46 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, 0.8 hours before the alert went out and 187 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 2008-01-10Temperature 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 2008-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -67 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
2388 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-67 m²/s²
0-3 km storm-relative helicity
-5 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 101245
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
645 AM CST THU JAN 10 2008

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST FOR MOST OF SOUTH
CENTRAL TEXAS DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITIES...

.A RED FLAG WARNING HAS BEEN ISSUED FOR PORTIONS OF SOUTH CENTRAL
TEXAS GENERALLY ALONG AND WEST OF A TAYLOR TO LOCKHART TO KENEDY
LINE. WINDY AND DRY CONDITIONS ARE EXPECTED TODAY BEHIND ANOTHER
DRY COLD FRONT. WINDS WILL BE MARGINALLY STRONG WITH 20-FOOT
SPEEDS EXPECTED TO HOVER AROUND 15 MPH FOR A FEW HOURS. DRY AIR
SPREADING IN FROM THE WEST SHOULD RESULT IN MINIMUM RELATIVE
HUMIDITIES IN THE 15 TO 25 PERCENT RANGE. CONDITIONS WILL REMAIN
DRY THROUGH THE WEEKEND...AND ANOTHER DRY FRONT IS EXPECTED ON
SATURDAY.

TXZ171>173-183>192-202>208-217>222-228-102300-
/O.NEW.KEWX.FW.W.0002.080110T1500Z-080110T2300Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-KINNEY-UVALDE-MEDINA-BEXAR-
COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-ATASCOSA-WILSON-
KARNES-DIMMIT-
645 AM CST THU JAN 10 2008

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR 
GUSTY WINDS AND LOW RELATIVE HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON. 

EXPECT WINDS BEHIND A DRY COLD FRONT TO INCREASE TO 10 TO 15 MPH
AFTER BY AROUND 9 AM. THESE GUSTY WINDS WILL BRING MUCH DRIER AIR
IN FROM THE WEST WITH RELATIVE HUMIDITIES FALLING INTO THE MID
TEENS TO MID 20S. THE WINDS WILL DECREASE BY 5 PM...BUT HUMIDITIES
WILL REMAIN DRY THROUGH THE REST OF THE WEEK. ANOTHER BREEZY AND
DRY DAY IS EXPECTED 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.

$$
1 follow-up statement
000 
WWUS84 KEWX 102208
RFWEWX

RED FLAG WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
408 PM CST THU JAN 10 2008

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST FOR MOST OF SOUTH
CENTRAL TEXAS DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITIES...

.A RED FLAG WARNING WILL CONTINUE THROUGH 6 PM FOR PORTIONS OF
SOUTH CENTRAL TEXAS GENERALLY ALONG AND WEST OF A TAYLOR TO
LOCKHART TO KENEDY LINE. THE WINDY AND DRY CONDITIONS WILL
CONTINUE IN WAKE OF THE DRY COLD FRONT THAT PASSED ACROSS
THE AREA EARLIER TODAY. WINDS WILL BE MARGINALLY STRONG WITH
20-FOOT SPEEDS EXPECTED TO HOVER AROUND 15 MPH FOR A FEW HOURS.
DRY AIR SPREADING IN FROM THE WEST SHOULD RESULT IN MINIMUM
RELATIVE HUMIDITIES IN THE 15 TO 25 PERCENT RANGE. CONDITIONS WILL
REMAIN DRY THROUGH THE WEEKEND...AND ANOTHER DRY FRONT IS EXPECTED
ON SATURDAY.

TXZ171>173-183>192-202>208-217>222-228-110000-
/O.EXT.KEWX.FW.W.0002.000000T0000Z-080111T0000Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-KINNEY-UVALDE-MEDINA-BEXAR-
COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-ATASCOSA-WILSON-
KARNES-DIMMIT-
408 PM CST THU JAN 10 2008

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

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

DRY NORTH AND NORTHWEST WINDS WILL CONTINUE IN WAKE OF A 
DRY COLD FRONT...THAT MOVED ACROSS THE AREA EARLIER TODAY.
DRIER AIR COMING ACROSS THE AREA FROM THE WEST AND 
NORTHWEST WILL KEEP RELATIVE HUMIDITIES IN THE MID TEENS
TO MID 20S. THE WINDS WILL DECREASE BY 6 PM...HOWEVER
THE HUMIDITIES WILL REMAIN DRY THROUGH THE REST OF THE WEEK.
ANOTHER BREEZY AND DRY DAY IS EXPECTED 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.

$$

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.