Alert archive / Texas / Red Flag Warnings in 2012
Red Flag Warning 6, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Dec 28, 2012, 5:47 AM CST for 16 counties in Texas. It took effect at Dec 28, 2012, 12:00 PM CST. It was in force for 7 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 28, 2012, 5:47 AM CST (11:47 UTC)
- In effect from
- Dec 28, 2012, 12:00 PM CST
- Expired
- Dec 28, 2012, 7:00 PM CST
- In force
- 7 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Atascosa County, TX, Bandera County, TX, Bexar County, TX, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 73 km from the middle of the area, began a volume at 11:45 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, 11.8 hours before the alert went out and 125 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
- 2476 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
134 WWUS84 KEWX 281147 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 547 AM CST FRI DEC 28 2012 ...RED FLAG WARNING IN EFFECT FROM NOON THROUGH 7 PM ACROSS THE WESTERN HALF OF SOUTH CENTRAL TEXAS DUE TO A DRY COLD FRONT... .A DRY COLD FRONT WILL MOVE THROUGH SOUTH CENTRAL TEXAS LATE THIS MORNING...RESULTING IN BREEZY AND DRY CONDITIONS ACROSS ALL AREAS. GUSTY NORTHWEST WINDS OF 15 TO 20 MPH ARE EXPECTED ACROSS ALL OF SOUTH CENTRAL TEXAS THROUGH EARLY THIS EVENING. AFTERNOON RELATIVE HUMIDITIES WILL FALL TO BETWEEN 15 AND 20 PERCENT ACROSS AREAS ALONG AND WEST OF A FREDERICKSBURG TO BOERNE TO PLEASANTON LINE...MAKING FOR CRITICAL FIRE WEATHER CONDITIONS. EAST OF THIS LINE...ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED...WITH MINIMUM RELATIVE HUMIDITY VALUES EXPECTED TO BE IN THE 20 TO 30 PERCENT RANGE ACROSS MOST AREAS. HUMIDITIES SHOULD INCREASE IN THE EVENING AS TEMPERATURES CONTINUE TO FALL BEHIND THE COLD FRONT. TXZ183>189-202>205-217>220-228-290000- /O.NEW.KEWX.FW.W.0006.121228T1800Z-121229T0100Z/ VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-KENDALL-KINNEY- UVALDE-MEDINA-BEXAR-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- 547 AM CST FRI DEC 28 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CST THIS EVENING FOR A DRY FRONT AFFECTING AREAS WEST OF A LINE FROM FREDERICKSBURG TO BOERNE TO PLEASANTON... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CST THIS EVENING. * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... VAL VERDE...EDWARDS...REAL...KERR...BANDERA...GILLESPIE... KENDALL...KINNEY...UVALDE...MEDINA...BEXAR...MAVERICK... ZAVALA...FRIO...ATASCOSA...DIMMIT. * 20-FOOT WIND...15 TO 20 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...15 TO 20 PERCENT * 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
2 follow-up statements
396 WWUS84 KEWX 282040 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 240 PM CST FRI DEC 28 2012 ...RED FLAG WARNING IN EFFECT FROM NOON THROUGH 7 PM ACROSS THE WESTERN HALF OF SOUTH CENTRAL TEXAS DUE TO A DRY COLD FRONT... .A DRY COLD FRONT HAS BROUGHT BREEZY AND VERY DRY CONDITIONS TO TO SOUTH CENTRAL TEXAS THIS AFTERNOON. GUSTY NORTHWEST WINDS OF 15 TO 20 MPH WILL CONTINUE ACROSS ALL OF SOUTH CENTRAL TEXAS THROUGH EARLY THIS EVENING. AFTERNOON RELATIVE HUMIDITIES WILL FALL TO BETWEEN 15 AND 20 PERCENT ACROSS AREAS ALONG AND WEST OF A FREDERICKSBURG TO BOERNE TO SAN ANTONIO TO PLEASANTON LINE...MAKING FOR CRITICAL FIRE WEATHER CONDITIONS. EAST OF THIS LINE...ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP...WITH MINIMUM RELATIVE HUMIDITY VALUES EXPECTED TO BE IN THE 20 TO 30 PERCENT RANGE ACROSS MOST AREAS. HUMIDITIES SHOULD INCREASE IN THE EVENING AS TEMPERATURES CONTINUE TO FALL BEHIND THE COLD FRONT. TXZ183>189-202>205-217>220-228-290000- /O.CON.KEWX.FW.W.0006.000000T0000Z-121229T0100Z/ VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-KENDALL-KINNEY- UVALDE-MEDINA-BEXAR-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- 240 PM CST FRI DEC 28 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING FOR A DRY FRONT AFFECTING AREAS WEST OF A LINE FROM FREDERICKSBURG TO BOERNE TO PLEASANTON... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... VAL VERDE...EDWARDS...REAL...KERR...BANDERA...GILLESPIE... KENDALL...KINNEY...UVALDE...MEDINA...BEXAR...MAVERICK... ZAVALA...FRIO...ATASCOSA...DIMMIT. * 20-FOOT WIND...15 TO 20 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...15 TO 20 PERCENT * 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
504 WWUS84 KEWX 282042 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 242 PM CST FRI DEC 28 2012 ...RED FLAG WARNING IN EFFECT FROM NOON THROUGH 7 PM ACROSS THE WESTERN HALF OF SOUTH CENTRAL TEXAS DUE TO A DRY COLD FRONT... .A DRY COLD FRONT HAS BROUGHT BREEZY AND VERY DRY CONDITIONS TO TO SOUTH CENTRAL TEXAS THIS AFTERNOON. GUSTY NORTHWEST WINDS OF 15 TO 20 MPH WILL CONTINUE ACROSS ALL OF SOUTH CENTRAL TEXAS THROUGH EARLY THIS EVENING. AFTERNOON RELATIVE HUMIDITIES WILL FALL TO BETWEEN 15 AND 20 PERCENT ACROSS AREAS ALONG AND WEST OF A FREDERICKSBURG TO BOERNE TO SAN ANTONIO TO PLEASANTON LINE... MAKING FOR CRITICAL FIRE WEATHER CONDITIONS. EAST OF THIS LINE... ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP... WITH MINIMUM RELATIVE HUMIDITY VALUES EXPECTED TO BE IN THE 20 TO 30 PERCENT RANGE ACROSS MOST AREAS. HUMIDITIES SHOULD INCREASE IN THE EVENING AS TEMPERATURES CONTINUE TO FALL BEHIND THE COLD FRONT. TXZ183>189-202>205-217>220-228-290100- /O.CON.KEWX.FW.W.0006.000000T0000Z-121229T0100Z/ VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-KENDALL-KINNEY- UVALDE-MEDINA-BEXAR-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- 242 PM CST FRI DEC 28 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING FOR A DRY FRONT AFFECTING AREAS WEST OF A LINE FROM FREDERICKSBURG TO BOERNE TO PLEASANTON... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... VAL VERDE...EDWARDS...REAL...KERR...BANDERA...GILLESPIE... KENDALL...KINNEY...UVALDE...MEDINA...BEXAR...MAVERICK... ZAVALA...FRIO...ATASCOSA...DIMMIT. * 20-FOOT WIND...15 TO 20 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...15 TO 20 PERCENT * 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 28, 12:59 AM CST | Dense Fog Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 5 hr |
| Dec 28, 6:03 AM CST | Dense Fog Advisory | EWX | Atascosa, Bastrop, Bexar, Caldwell, Comal, DeWitt and 10 more | 33 min |
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.