Alert archive / Texas / Red Flag Warnings in 2011
Red Flag Warning 18, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Apr 26, 2011, 10:15 AM CDT for 33 counties in Texas. It took effect at Apr 27, 2011, 2:00 AM CDT. It was in force for 18 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
- Apr 26, 2011, 10:15 AM CDT (15:15 UTC)
- In effect from
- Apr 27, 2011, 2:00 AM CDT
- Expired
- Apr 27, 2011, 8:00 PM CDT
- In force
- 18 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 15:21 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, 3.3 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3672 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
139 WWUS84 KEWX 261515 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1015 AM CDT TUE APR 26 2011 ...A RED FLAG WARNING IS IN EFFECT FROM 10 AM TO 8 PM TODAY ALONG AND WEST OF I-35 FOR CRITICAL FIRE WEATHER CONDITIONS WEST OF THE DRYLINE... ...A RED FLAG WARNING IS NOW IN EFFECT ON WEDNESDAY FROM 9 AM UNTIL 8 PM FOR ALL OF SOUTH CENTRAL TEXAS FOR CRITICAL FIRE WEATHER CONDITIONS IN WAKE OF A PACIFIC COLD FRONT... .THE DRYLINE WILL PUSH EASTWARD INTO SOUTH CENTRAL TEXAS TODAY. BREEZY WINDS AND VERY DRY AIR WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WEST OF THE DRYLINE....GENERALLY ALONG AND WEST OF A LINE FROM GEORGETOWN TO AUSTIN TO SAN ANTONIO TO PLEASANTON. RELATIVE HUMIDITIES WILL FALL TO NEAR AND BELOW 20 PERCENT ALONG THE I-35 CORRIDOR...INTO THE TEENS ACROSS THE HILL COUNTRY AND RIO GRANDE PLAINS...AND INTO THE SINGLE DIGITS ACROSS THE EDWARDS PLATEAU. WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH WILL MIX DOWN TO THE SURFACE FROM LATE THIS MORNING THROUGH EARLY THIS EVENING. WINDS ARE EXPECTED TO DECREASE AFTER SUNSET. ON WEDNESDAY...A DRY COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY...WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. TXZ171>173-183>192-202>206-217>220-228-270315- /O.UPG.KEWX.FW.A.0008.110427T1400Z-110428T0000Z/ /O.NEW.KEWX.FW.W.0018.110427T1400Z-110428T0100Z/ /O.CON.KEWX.FW.W.0017.000000T0000Z-110427T0100Z/ LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-KINNEY-UVALDE-MEDINA-BEXAR- COMAL-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- 1015 AM CDT TUE APR 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY. THIS RED FLAG WARNING IS AN UPGRADE TO THE FIRE WEATHER WATCH...WHICH IS NO LONGER IN EFFECT. A SEPARATE RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING. THE DRYLINE WILL MOVE ACROSS THE AREA AGAIN TODAY. WINDS WILL INCREASE TO 15 TO 25 MPH TODAY...WITH HIGHER GUSTS POSSIBLE. AFTERNOON RELATIVE HUMIDITIES WILL FALL TO NEAR 20 PERCENT ALONG THE I-35 CORRIDOR...INTO THE TEENS ACROSS THE HILL COUNTRY AND RIO GRANDE PLAINS...AND SINGLE DIGITS ACROSS THE EDWARDS PLATEAU. THIS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH 8 PM TODAY. WINDS WILL DECREASE AFTER SUNSET...AND RELATIVE HUMIDITIES WILL SLOWLY INCREASE OVERNIGHT. ON WEDNESDAY...A DRY COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY...WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ TXZ193-194-207>209-221>225-270315- /O.UPG.KEWX.FW.A.0008.110427T1400Z-110428T0000Z/ /O.NEW.KEWX.FW.W.0018.110427T1400Z-110428T0100Z/ BASTROP-LEE-GUADALUPE-CALDWELL-FAYETTE-WILSON-KARNES-GONZALES- DE WITT-LAVACA- 1015 AM CDT TUE APR 26 2011 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY. THE RED FLAG WARNING IS AN UPGRADE TO THE FIRE WEATHER WATCH...WHICH IS NO LONGER IN EFFECT. ON WEDNESDAY...A DRY COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY...WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS ISSUED BY LOCAL OFFICIALS. && $$
5 follow-up statements
781 WWUS84 KEWX 262033 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 333 PM CDT TUE APR 26 2011 ...A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT ALONG AND WEST OF I-35 FOR CRITICAL FIRE WEATHER CONDITIONS WEST OF THE DRYLINE... ...A RED FLAG WARNING IS IN EFFECT ON WEDNESDAY FROM 9 AM UNTIL 8 PM FOR ALL OF SOUTH CENTRAL TEXAS FOR CRITICAL FIRE WEATHER CONDITIONS IN WAKE OF A PACIFIC COLD FRONT... .THE DRYLINE PUSHING EASTWARD INTO SOUTH CENTRAL TEXAS THIS AFTERNOON HAS LED TO BREEZY WINDS AND VERY LOW RELATIVE HUMIDITIES ACROSS WESTERN PORTIONS OF THE REGION. CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THIS EVENING WEST OF THE DRYLINE. RELATIVE HUMIDITIES HAVE FALLEN TO AS LOW AS THE SINGLE DIGITS ACROSS THE EDWARDS PLATEAU. WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH WILL PERSIST THROUGH EARLY THIS EVENING. WINDS ARE EXPECTED TO DECREASE AFTER SUNSET. RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT AS THE DRYLINE RETREATS WESTWARD. ON WEDNESDAY...A DRY COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY...WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. TXZ171>173-183>192-202>206-217>220-228-270845- /O.CON.KEWX.FW.W.0017.000000T0000Z-110427T0100Z/ /O.CON.KEWX.FW.W.0018.110427T1400Z-110428T0100Z/ LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-KINNEY-UVALDE-MEDINA-BEXAR- COMAL-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- 333 PM CDT TUE APR 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY... VERY LOW RELATIVE HUMIDITIES AND STRONG WEST TO SOUTHWEST WINDS WILL CONTINUE WEST OF THE DRYLINE THROUGH THIS EVENING. WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO INCREASE OVERNIGHT. ON WEDNESDAY...A DRY COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY...WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ TXZ193-194-207>209-221>225-270845- /O.CON.KEWX.FW.W.0018.110427T1400Z-110428T0100Z/ BASTROP-LEE-GUADALUPE-CALDWELL-FAYETTE-WILSON-KARNES-GONZALES- DE WITT-LAVACA- 333 PM CDT TUE APR 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY... ON WEDNESDAY...A DRY COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY...WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS ISSUED BY LOCAL OFFICIALS. && $$
560 WWUS84 KEWX 270110 AAA RFWEWX URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 810 PM CDT TUE APR 26 2011 ...A RED FLAG WARNING IS IN EFFECT ON WEDNESDAY FROM 9 AM UNTIL 8 PM FOR ALL OF SOUTH CENTRAL TEXAS FOR CRITICAL FIRE WEATHER CONDITIONS IN WAKE OF A PACIFIC COLD FRONT... .A PACIFIC COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS ON WEDNESDAY. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. TXZ171>173-183>192-202>206-217>220-228-271315- /O.EXP.KEWX.FW.W.0017.000000T0000Z-110427T0100Z/ /O.CON.KEWX.FW.W.0018.110427T1400Z-110428T0100Z/ LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-KINNEY-UVALDE-MEDINA-BEXAR- COMAL-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- 810 PM CDT TUE APR 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY... ...RED FLAG WARNING HAS EXPIRED THAT WAS ISSUED FOR TODAY... THE RED FLAG WARNING THAT WAS ISSUED FOR TODAY IS NO LONGER IN EFFECT. A RED FLAG WARNING IS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY FOR ALL OF SOUTH CENTRAL TEXAS. A PACIFIC COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS ON WEDNESDAY. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ TXZ193-194-207>209-221>225-271315- /O.CON.KEWX.FW.W.0018.110427T1400Z-110428T0100Z/ BASTROP-LEE-GUADALUPE-CALDWELL-FAYETTE-WILSON-KARNES-GONZALES- DE WITT-LAVACA- 810 PM CDT TUE APR 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM CDT WEDNESDAY... A PACIFIC COLD FRONT WILL BRING BREEZY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS ON WEDNESDAY. A VERY DRY AIRMASS WILL FILTER INTO THE REGION THROUGHOUT THE DAY WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. THE STRONG NORTHWEST WINDS WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS ISSUED BY LOCAL OFFICIALS. && $$
175 WWUS84 KEWX 270631 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 131 AM CDT WED APR 27 2011 ...A RED FLAG WARNING IS IN NOW EFFECT FROM EARLY THIS MORNING THROUGH 8 PM CDT THIS EVENING FOR ALL OF SOUTH CENTRAL TEXAS DUE CRITICAL FIRE WEATHER CONDITIONS IMMEDIATELY BEHIND A COLD FRONT... .A COLD FRONT MOVING INTO SOUTH CENTRAL TEXAS EARLY THIS MORNING WILL BRING DRY AND GUSTY NORTHWEST WINDS TO ALL OF SOUTH CENTRAL TEXAS TODAY. VERY DRY AIR BEHIND THE FRONT...AND INITIAL WIND GUSTS OVER 35 MPH IN SOME LOCATIONS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS DURING THE OVERNIGHT HOURS. LARGE FIRES NOTED OVER THE SOUTHERN EDWARDS PLATEAU AND NORTHERN HILL COUNTRY WILL BECOME IMPACTED AS THE WINDS SHIFT TO THE NORTHWEST. RELATIVE HUMIDITY VALUES IMMEDIATELY BEHIND THE FRONT WILL FALL AS LOW AS THE LOWER TEENS ACROSS THE HILL COUNTRY AND SOUTHERN EDWARDS PLATEAU...THEN POSSIBLY INCREASE TO SLIGHTLY ABOVE 20 PERCENT TOWARD DAYBREAK. BREEZY AND DRY CONDITIONS BEHIND THE FRONT WILL CONTINUE TO FILTER DRY AIR INTO THE REGION THROUGHOUT THE DAY WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. STRONG NORTHWEST WINDS OF 15 TO 25 MPH IN THE DAYTIME WILL DECREASE AFTER SUNSET... BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. TXZ171>173-183>194-202>209-217>225-228-271300- /O.EXT.KEWX.FW.W.0018.110427T0700Z-110428T0100Z/ 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- 131 AM CDT WED APR 27 2011 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR BREEZY AND DRY CONDITIONS IMMEDIATELY BEHIND A COLD FRONT... THE NATIONAL WEATHER SERVICE HAS ISSUED A RED FLAG WARNING FOR ALL OF SOUTH CENTRAL...INCREASING THE BEGINNING TIME TO EARLY THIS MORNING. EXPECT HUMIDITIES TO DROP BELOW 20 PERCENT WITH GUSTY 20-FOOT WINDS OF 15 TO 25 MPH WITH GUSTS OVER 35 MPH BEHIND A FAST MOVING COLD FRONT. THE COLD FRONT IS MOVING INTO THE NORTHERN HILL COUNTRY AND EDWARDS PLATEAU EARLY THIS MORNING...AND SHOULD REACH THE SOUTHERN COUNTIES OF SOUTH CENTRAL TEXAS BY DAYBREAK. BREEZY AND DRY CONDITIONS BEHIND THE FRONT WILL CONTINUE TO FILTER DRY AIR INTO THE REGION THROUGHOUT THE DAY WITH RELATIVE HUMIDITIES FALLING TO 5 TO 10 PERCENT WEST OF HIGHWAY 281 AND NEAR 10 TO 20 PERCENT EAST OF HIGHWAY 281 BY EARLY AFTERNOON. STRONG NORTHWEST WINDS OF 15 TO 25 MPH IN THE DAYTIME WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
814 WWUS84 KEWX 271131 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 631 AM CDT WED APR 27 2011 ...A RED FLAG WARNING CONTINUES TODAY THROUGH 8 PM CDT THIS EVENING FOR ALL OF SOUTH CENTRAL TEXAS DUE CRITICAL FIRE WEATHER CONDITIONS BEHIND A COLD FRONT... .A COLD FRONT THAT MOVED THROUGH SOUTH CENTRAL TEXAS EARLY TODAY WILL BRING DRY AND GUSTY NORTHWEST WINDS ACROSS ALL OF SOUTH CENTRAL TEXAS TODAY. VERY DRY AIR IS EXPECTED ACROSS ALL AREAS BY MIDDAY...WITH RELATIVE HUMIDITIES FALLING INTO THE 5 TO 15 PERCENT RANGE ACROSS MOST AREAS. STRONG NORTHWEST WINDS OF 15 TO 25 MPH IN THE DAYTIME WILL DECREASE AFTER SUNSET...BUT RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. TXZ171>173-183>194-202>209-217>225-228-280100- /O.CON.KEWX.FW.W.0018.000000T0000Z-110428T0100Z/ LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 631 AM CDT WED APR 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR GUSTY AND DRY WINDS BEHIND A COLD FRONT... GUSTY NORTHWEST WINDS BEHIND THE DRY FRONT WILL LOWER RELATIVE HUMIDITIES THROUGHOUT THE DAY...WITH VALUES RANGING FROM 5 TO 15 PERCENT ACROSS MOST AREAS BY LATE AFTERNOON. HIGHEST 20-FOOT LEVEL WIND SPEEDS OF 15 TO 25 MPH ARE EXPECTED DURING THE MIDDAY HOURS...WITH WINDS GRADUALLY WEAKENING LATE IN THE DAY. BRIEF HUMIDITY RECOVERIES WILL BE IN THE 50 TO 80 PERCENT RANGE BY DAYBREAK THURSDAY...WITH FALLING HUMIDITIES BACK INTO THE TEENS FOR MANY AREAS AS SOUTH AND SOUTHEAST WINDS RETURN DURING THE DAY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS ISSUED BY LOCAL OFFICIALS. && $$
192 WWUS84 KEWX 272024 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 324 PM CDT WED APR 27 2011 ...A RED FLAG WARNING CONTINUES TODAY THROUGH 8 PM CDT THIS EVENING FOR ALL OF SOUTH CENTRAL TEXAS DUE CRITICAL FIRE WEATHER CONDITIONS BEHIND A COLD FRONT... .A DRY COLD FRONT WHICH PUSHED THROUGH SOUTH CENTRAL TEXAS EARLY TODAY CONTINUE TO BRING DRY AND GUSTY NORTHWEST WINDS TO SOUTH CENTRAL TEXAS THROUGH THIS EVENING. MID-AFTERNOON RELATIVE HUMIDITIES HAVE FALLEN TO 10 TO 15 PERCENT ACROSS MUCH OF THE REGION...WITH LOWER RH VALUES NEAR 5 PERCENT ACROSS THE WESTERN HILL COUNTRY AND RIO GRANDE PLAINS. STRONG NORTHWEST WINDS OF 15 TO 25 MPH WILL CONTINUE THROUGH THE NEXT FEW HOURS...BUT ARE EXPECTED TO DECREASE AFTER SUNSET. HOWEVER...RELATIVE HUMIDITIES WILL BE SLOW TO RECOVER OVERNIGHT. TXZ171>173-183>194-202>209-217>225-228-280100- /O.CON.KEWX.FW.W.0018.000000T0000Z-110428T0100Z/ 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- 324 PM CDT WED APR 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... GUSTY NORTHWEST WINDS BEHIND THE DRY FRONT HAVE LOWERED RELATIVE HUMIDITIES TO 5 TO 15 PERCENT ACROSS MUCH OF THE REGION THIS AFTERNOON. 20-FOOT LEVEL WIND SPEEDS OF 15 TO 25 MPH WILL CONTINUE THROUGH THE NEXT FEW HOURS...WITH WINDS GRADUALLY WEAKENING LATER THIS EVENING. BRIEF HUMIDITY RECOVERIES WILL GENERALLY BE IN THE 50 TO 80 PERCENT RANGE BY DAYBREAK THURSDAY. HOWEVER...HUMIDITIES WILL FALL BACK INTO THE LOWER TWENTIES TO UPPER TEENS FOR MANY AREAS AS SOUTH AND SOUTHEAST WINDS RETURN DURING THE DAY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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, 2011Every red flag warning in 2011
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.