Alert archive / Texas / Red Flag Warnings in 2011
Red Flag Warning 24, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Sep 27, 2011, 2:21 PM CDT for 21 counties in Texas. It was in force for 11 hr. 11 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 27, 2011, 2:21 PM CDT (19:21 UTC)
- Expired
- Sep 28, 2011, 1:00 AM CDT
- In force
- 11 hr
- Issued by
- NWS Austin/San Antonio, TX
All 21 counties
Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 24 km from the middle of the area, began a volume at 19:25 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 27, 4:45 PM CDT | TSTM WND GST 50 | 2 N Smithville, TX | 50 MPH WIND GUSTS AND MARBLE SIZE HAIL. |
| Sep 27, 4:59 PM CDT | TSTM WND DMG | 13 Ne Harper, TX | REPORTS OF A FARM BUILDING BLOWN DOWN. |
| Sep 27, 5:00 PM CDT | HAIL 1 | 4 Sw Tow, TX | QUARTER SIZE HAIL AND WIND GUSTS TO 45 MPH. |
| Sep 27, 5:15 PM CDT | HAIL 0.25 | 5 Nnw Enchanted Rock St, TX | PEA SIZE HAIL... HEAVY RAIN AND WIND GUSTS TO 45 MPH. |
| Sep 27, 5:40 PM CDT | TSTM WND GST 65 | 4 Nne Granite Shoals, TX | WINDS GUSTS TO 65 MPH AND TREE LIMBS BLOWN DOWN. |
| Sep 27, 5:40 PM CDT | TSTM WND GST 65 | N Kingsland, TX | WINDS GUSTS TO 65 MPH AND TREE LIMBS BLOWN DOWN. |
| Sep 27, 6:00 PM CDT | TSTM WND DMG | 3 Ne Burnet, TX | ROOF WAS BLOWN OFF OF A BARM NEAR COUNTY ROAD 215 |
| Sep 27, 6:10 PM CDT | TSTM WND GST 60 | 1 Nne Sisterdale, TX | WIND GUSTS 50 TO 60 MPH. |
| Sep 27, 6:30 PM CDT | WILDFIRE 30 | 5 Wsw Briggs, TX | WILDFIRE STARTED BY LIGHTNING NEAR FM243 AND COUNTY ROAD 214. ACREAGE ESTIMATED BY HELICOPTER. |
| Sep 27, 6:35 PM CDT | TSTM WND GST 60 | Sisterdale, TX | LARGE OAK TREE SNAPPED IN HALF AND TIN ROOF WAS PULLED UP IN SISTERDALE. |
| Sep 27, 7:50 PM CDT | WILDFIRE 33 | 7 Sw Briarcliff, TX | WILDFIRE STARTED BY DRY LIGHTNING NEAR HAMILTON POOL PARK. MOVIE SET OF THE ALAMO HAS BURNED. NO FURTHER REPORTS OF DAMAGE TO STRUCTURES AT THIS TIME. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 7.4 hours before the alert went out and 250 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
- 2713 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -107 m²/s²
- 0-3 km storm-relative helicity
- -90 m²/s²
- Significant tornado parameter
- -0.7
- Supercell composite
- -3.7
The text
As transmitted, in the capitals the NWS used until 2016.
953 WWUS84 KEWX 271921 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 221 PM CDT TUE SEP 27 2011 ...RED FLAG WARNING FOR DRY LIGHTNING AND OUTFLOW WINDS ISSUED FOR THE EASTERN HALF OF SOUTH CENTRAL TEXAS VALID THROUGH 9 PM THIS EVENING... .A COMPACT WEATHER DISTURBANCE OVER CENTRAL TEXAS IS PRODUCING AREAS OF DRY LIGHTNING IN AN AREA OF SHOWERS PRODUCING MOSTLY VIRGA. WITH TEMPERATURES EXPECTED TO CLIMB THROUGH THE MID 90S UP TO 103 LATE THIS AFTERNOON...THE POTENTIAL FOR STRONG DOWNDRAFTS WILL INCREASE LATE THIS AFTERNOON INTO THIS EVENING. THIS WILL FURTHER INCREASE THE POTENTIAL FOR DANGEROUS FIRE STARTS AND EXTREME WILDFIRE BEHAVIOR. THE POTENTIAL FOR DRY-LIGHTNING SHOULD DECREASE DURING THE MID TO LATE EVENING HOURS AS THE DEVELOPING STORMS BECOME MORE CAPABLE OF PRODUCING HEAVIER RAINFALL RATES. TXZ171>173-186-188>194-205>209-221>225-280200- /O.NEW.KEWX.FW.W.0024.110927T1921Z-110928T0200Z/ LLANO-BURNET-WILLIAMSON-KERR-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS- BASTROP-LEE-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-WILSON-KARNES- GONZALES-DE WITT-LAVACA- 221 PM CDT TUE SEP 27 2011 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR LIGHTNING AND OUTFLOW WINDS ACROSS THE EASTERN HALF OF SOUTH CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... LLANO...BURNET...WILLIAMSON...KERR...GILLESPIE...KENDALL... BLANCO...HAYS...TRAVIS...BASTROP...LEE...BEXAR...COMAL... GUADALUPE...CALDWELL...FAYETTE...WILSON...KARNES...GONZALES... DE WITT...LAVACA. * 20-FOOT WIND...VARIABLE AND GUSTY UP TO 50 MPH. * HUMIDITY...MINIMUMS IN THE 20 TO 30 PERCENT RANGE...POSSIBLY LOWER NEAR THUNDERSTORM OUTFLOWS. * THUNDERSTORMS...ISOLATED...WITH SCATTERED COVERAGE OF VIRGA SHOWERS. * 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 THAN 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
1 follow-up statement
616 WWUS84 KEWX 280157 RFWEWX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 857 PM CDT TUE SEP 27 2011 ...RED FLAG WARNING FOR DRY LIGHTNING AND OUTFLOW WINDS ACROSS THE EASTERN HALF OF SOUTH CENTRAL TEXAS EXTENDED UNTIL 1 AM WEDNESDAY MORNING... .A COMPACT WEATHER DISTURBANCE OVER CENTRAL TEXAS IS CONTINUING TO PRODUCE AREAS OF DRY LIGHTNING THIS EVENING. SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING HOURS. MANY OF THESE STORMS WILL BRING ACCOMPANYING RAINFALL...BUT SOME WILL CONTINUE TO BRING LIGHTNING AND VIRGA. ADDITIONALLY...STRONG OUTFLOWS AND DOWNDRAFTS FROM THE THUNDERSTORMS ARE EXPECTED TO BE 35 TO 50 MPH. THIS WILL FURTHER INCREASE THE POTENTIAL FOR DANGEROUS FIRE STARTS AND EXTREME WILDFIRE BEHAVIOR. TXZ171>173-186-188>194-205>209-221>225-280600- /O.EXT.KEWX.FW.W.0024.000000T0000Z-110928T0600Z/ LLANO-BURNET-WILLIAMSON-KERR-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS- BASTROP-LEE-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-WILSON-KARNES- GONZALES-DE WITT-LAVACA- 857 PM CDT TUE SEP 27 2011 ...RED FLAG WARNING NOW IN EFFECT UNTIL 1 AM CDT WEDNESDAY FOR LIGHTNING AND OUTFLOW WINDS ACROSS THE EASTERN HALF OF SOUTH CENTRAL TEXAS... * AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... LLANO...BURNET...WILLIAMSON...KERR...GILLESPIE...KENDALL... BLANCO...HAYS...TRAVIS...BASTROP...LEE...BEXAR...COMAL... GUADALUPE...CALDWELL...FAYETTE...WILSON...KARNES...GONZALES... DE WITT...LAVACA. * 20-FOOT WIND...VARIABLE AND GUSTY UP TO 50 MPH. * HUMIDITY...MINIMUMS IN THE 20 TO 30 PERCENT RANGE...POSSIBLY LOWER NEAR THUNDERSTORM OUTFLOWS. * THUNDERSTORMS...ISOLATED...WITH SCATTERED COVERAGE OF VIRGA SHOWERS. * 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 THAN 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 |
|---|---|---|---|---|
| Sep 26, 8:13 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 62 min |
| Sep 27, 3:11 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano | 49 min |
| Sep 27, 4:11 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Llano | 49 min |
| Sep 27, 4:25 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 50 min |
| Sep 27, 4:26 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 34 min |
| Sep 27, 4:52 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Kendall | 38 min |
| Sep 27, 4:59 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano | 46 min |
| Sep 27, 5:12 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall | 33 min |
| Sep 27, 5:29 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano, Travis, Williamson | 46 min |
| Sep 27, 5:38 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 52 min |
| Sep 27, 5:43 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall, Kerr | 47 min |
| Sep 27, 6:32 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Comal, Kendall, Kerr, Medina | 43 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.