Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Dec 19, 2012, 4:24 AM CST for 33 counties in Texas. It took effect at Dec 19, 2012, 6:00 PM CST. It was in force for 24 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
- Dec 19, 2012, 4:24 AM CST (10:24 UTC)
- In effect from
- Dec 19, 2012, 6:00 PM CST
- Expired
- Dec 20, 2012, 6:00 PM CST
- In force
- 24 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 10:21 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 00:00Z, 10.4 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
- 3933 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
485 WWUS84 KEWX 191024 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 424 AM CST WED DEC 19 2012 ...RED FLAG WARNING IN EFFECT FOR THE HILL COUNTRY AND SOUTHERN EDWARDS PLATEAU BEGINNING THIS EVENING... ...RED FLAG WARNING IN EFFECT FOR THE REMAINDER OF SOUTH CENTRAL TEXAS BEGINNING AT MIDNIGHT TONIGHT... .A STRONG COLD FRONT WILL MOVE THROUGH THE SOUTHERN EDWARDS PLATEAU EARLY THIS EVENING AND ACROSS THE REMAINDER OF THE AREA DURING THE OVERNIGHT HOURS. WINDY AND VERY DRY CONDITIONS WILL SETTLE INTO THE AREA IN THE WAKE OF THE FRONT. TEMPERATURES ARE EXPECTED TO FALL ON PACE WITH THE RELATIVE HUMIDITIES...BUT EARLY EVENING MIXING COULD RESULT IN AN ADDITIONAL DROP IN DEW POINT TEMPERATURES...WHICH COULD PROMOTE CRITICAL FIRE WEATHER CONDITIONS FOR MUCH OF THE NIGHT. BREEZY AND DRY CONDITIONS WILL CONTINUE INTO THURSDAY IN THE WAKE OF THE COLD FRONT. TXZ183-184-202-192200- /O.UPG.KEWX.FW.A.0004.121220T0000Z-121220T1200Z/ /O.NEW.KEWX.FW.W.0004.121220T0000Z-121220T2100Z/ VAL VERDE-EDWARDS-KINNEY- 424 AM CST WED DEC 19 2012 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY FOR A DRY FRONT MOVING ACROSS SOUTH CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY. THIS IS AN UPGRADE TO THE PREVIOUS FIRE WEATHER WATCH...WHICH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... VAL VERDE...EDWARDS...KINNEY. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...10 TO 15 PERCENT...DRIEST OVER WESTERN VAL VERDE COUNTY. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ TXZ171-172-185>190-192200- /O.NEW.KEWX.FW.W.0004.121220T0000Z-121220T2100Z/ LLANO-BURNET-REAL-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO- 424 AM CST WED DEC 19 2012 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY FOR A DRY FRONT MOVING ACROSS SOUTH CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY. * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... LLANO...BURNET...REAL...KERR...BANDERA...GILLESPIE... KENDALL...BLANCO. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ TXZ173-191>194-203>209-217>225-228-192200- /O.NEW.KEWX.FW.W.0004.121220T0600Z-121220T2100Z/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-UVALDE-MEDINA-BEXAR-COMAL- GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-FRIO-ATASCOSA-WILSON- KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 424 AM CST WED DEC 19 2012 ...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST THURSDAY FOR A DRY FRONT MOVING ACROSS SOUTH CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST THURSDAY. * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... WILLIAMSON...HAYS...TRAVIS...BASTROP...LEE...UVALDE... MEDINA...BEXAR...COMAL...GUADALUPE...CALDWELL...FAYETTE... MAVERICK...ZAVALA...FRIO...ATASCOSA...WILSON...KARNES... GONZALES...DE WITT...LAVACA...DIMMIT. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...15 TO 20 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ FOR INFORMATION ON BURN BANS PLEASE VISIT THE TEXAS INTERAGENCY COORDINATION CENTER WEBSITE AT: TICC.TAMU.EDU
3 follow-up statements
158 WWUS84 KEWX 192120 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 320 PM CST WED DEC 19 2012 ...RED FLAG WARNING IN EFFECT FOR THE HILL COUNTRY AND SOUTHERN EDWARDS PLATEAU FROM THIS EVENING THROUGH THURSDAY AFTERNOON... ...RED FLAG WARNING IN EFFECT FOR THE REMAINDER OF SOUTH CENTRAL TEXAS FROM MIDNIGHT TONIGHT THROUGH THURSDAY AFTERNOON... .A STRONG COLD FRONT WILL MOVE THROUGH THE SOUTHERN EDWARDS PLATEAU EARLY THIS EVENING AND ACROSS THE REMAINDER OF THE AREA DURING THE OVERNIGHT HOURS. WINDY AND VERY DRY CONDITIONS WILL SURGE ACROSS SOUTH CENTRAL TEXAS IN THE WAKE OF THE FRONT. TEMPERATURES ARE EXPECTED TO FALL ON PACE WITH THE RELATIVE HUMIDITIES...BUT EARLY EVENING MIXING COULD RESULT IN AN ADDITIONAL DROP IN RELATIVE HUMIDITIES ACROSS THE HILL COUNTRY AND EDWARDS PLATEAU. CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST FOR THE OVERNIGHT INTO MUCH OF THURSDAY WITH BREEZY AND DRY WEATHER. TXZ171-172-183>190-202-200930- /O.CON.KEWX.FW.W.0004.121220T0000Z-121220T2100Z/ LLANO-BURNET-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE- KENDALL-BLANCO-KINNEY- 320 PM CST WED DEC 19 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES ACROSS THE HILL COUNTRY AND SOUTHERN EDWARDS PLATEAU... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... LLANO...BURNET...VAL VERDE...EDWARDS...REAL...KERR... BANDERA...GILLESPIE...KENDALL...BLANCO...KINNEY. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ TXZ173-191>194-203>209-217>225-228-200930- /O.CON.KEWX.FW.W.0004.121220T0600Z-121220T2100Z/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-UVALDE-MEDINA-BEXAR-COMAL- GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-FRIO-ATASCOSA-WILSON- KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 320 PM CST WED DEC 19 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST THURSDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES ACROSS SOUTH CENTRAL TEXAS... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... WILLIAMSON...HAYS...TRAVIS...BASTROP...LEE...UVALDE... MEDINA...BEXAR...COMAL...GUADALUPE...CALDWELL...FAYETTE... MAVERICK...ZAVALA...FRIO...ATASCOSA...WILSON...KARNES... GONZALES...DE WITT...LAVACA...DIMMIT. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...10 TO 20 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ FOR INFORMATION ON BURN BANS PLEASE VISIT THE TEXAS INTERAGENCY COORDINATION CENTER WEBSITE AT: TICC.TAMU.EDU
747 WWUS84 KEWX 200914 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 314 AM CST THU DEC 20 2012 ...RED FLAG WARNING IN EFFECT FOR ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY UNTIL 3 PM CST TODAY... .A STRONG COLD FRONT HAS PUSHED THROUGH SOUTH CENTRAL TEXAS AND HAS LEFT WINDY AND VERY DRY CONDITIONS ACROSS THE REGION. DEWPOINTS WILL CONTINUE TO FALL THROUGH THE MORNING AND AFTERNOON HOURS LEADING TO RELATIVE HUMIDITIES IN THE TEENS AND POSSIBLY SINGLE DIGITS TODAY. BREEZY NORTHWEST TO NORTH WINDS OF 15 TO 25 MPH WILL CONTINUE INTO THE AFTERNOON...BUT ARE EXPECTED TO DECREASE BELOW 15 MPH DURING THE MID TO LATE AFTERNOON HOURS. TXZ171>173-183>194-202>209-217>225-228-202100- /O.CON.KEWX.FW.W.0004.000000T0000Z-121220T2100Z/ 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- 314 AM CST THU DEC 20 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON FOR A DRY FRONT ACROSS ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... 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. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...10 TO 20 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ FOR INFORMATION ON BURN BANS PLEASE VISIT THE TEXAS INTERAGENCY COORDINATION CENTER WEBSITE AT: TICC.TAMU.EDU
254 WWUS84 KEWX 202048 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 248 PM CST THU DEC 20 2012 ...RED FLAG WARNING HAS BEEN EXTENDED FOR ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY UNTIL 6 PM CST THIS EVENING... .WINDY AND VERY DRY CONDITIONS PERSISTED ACROSS SOUTH CENTRAL TEXAS AT MID AFTERNOON. RELATIVE HUMIDITIES WILL REMAIN IN THE TEENS WITH BREEZY NORTHWEST TO NORTH WINDS OF 15 TO 25 MPH FOR THE REMAINDER OF THIS AFTERNOON. WINDS WILL DECREASE RAPIDLY EARLY THIS EVENING AROUND SUNSET TO LESS THAN 10 MPH. TXZ171>173-183>194-202>209-217>225-228-210000- /O.EXT.KEWX.FW.W.0004.000000T0000Z-121221T0000Z/ 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- 248 PM CST THU DEC 20 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES ACROSS ALL OF SOUTH CENTRAL TEXAS... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... 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. * 20-FOOT WIND...15 TO 25 MPH. * HUMIDITY...10 TO 20 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW QUICKLY INTO DANGEROUS WIND DRIVEN WILDFIRES. && $$ FOR INFORMATION ON BURN BANS PLEASE VISIT THE TEXAS INTERAGENCY COORDINATION CENTER WEBSITE AT: TICC.TAMU.EDU
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 3:20 PM CST | Wind Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 24 hr |
Nearby
Red Flag Warnings in Texas, 2012Every red flag warning in 2012
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.