Alert archive / Texas / Freeze Warnings in 2011
Freeze Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this freeze warning at Nov 27, 2011, 4:11 AM CST for 26 counties in Texas. It took effect at Nov 28, 2011, 12:00 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
- Nov 27, 2011, 4:11 AM CST (10:11 UTC)
- In effect from
- Nov 28, 2011, 12:00 AM CST
- Expired
- Nov 28, 2011, 9:00 AM CST
- In force
- 9 hr
- Issued by
- NWS Austin/San Antonio, TX
All 26 counties
Atascosa County, TX, Bastrop County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Fayette County, TX, Frio County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kinney County, TX, Lavaca County, TX, Lee 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), 56 km from the middle of the area, began a volume at 10:16 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, 10.2 hours before the alert went out and 221 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
- 2298 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -89 m²/s²
- 0-3 km storm-relative helicity
- -85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
695 WWUS74 KEWX 271011 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 411 AM CST SUN NOV 27 2011 ...A FREEZE WARNING TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE RIO GRANDE PLAINS... ...A HARD FREEZE WARNING FOR THE HILL COUNTRY TONIGHT... .STRONG NORTHERLY WINDS WILL CONTINUE TO BRING COLD DRY AIR INTO SOUTH TEXAS TODAY. WINDS WILL QUICKLY SUBSIDE THIS EVENING AND TEMPERATURES WILL QUICKLY DROP TO FREEZING BY MIDNIGHT ACROSS THE HILL COUNTRY AND THE REST OF SOUTH CENTRAL TEXAS BEFORE SUNRISE MONDAY. TEMPERATURES WILL WARM TO ABOVE FREEZING BETWEEN 8 AND 9 AM ON MONDAY MORNING. TXZ171-172-186>190-272200- /O.NEW.KEWX.HZ.W.0001.111128T0600Z-111128T1500Z/ LLANO-BURNET-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO- INCLUDING THE CITIES OF...LLANO...BURNET...KERRVILLE...BANDERA... FREDERICKSBURG...BOERNE...BLANCO 411 AM CST SUN NOV 27 2011 ...HARD FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A HARD FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST MONDAY. * EVENT...FREEZING TEMPERATURES IN THE 20S. * TIMING...MIDNIGHT THROUGH 9 AM MONDAY MORNING. * IMPACT...TENDER PLANTS AND VEGETATION. PETS AND PIPES. $$ TXZ173-183>185-191>194-202>209-217>225-228-272200- /O.NEW.KEWX.FZ.W.0002.111128T0600Z-111128T1500Z/ WILLIAMSON-VAL VERDE-EDWARDS-REAL-HAYS-TRAVIS-BASTROP-LEE-KINNEY- UVALDE-MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK- ZAVALA-FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...GEORGETOWN...DEL RIO...ROCKSPRINGS... LEAKEY...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS... BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY... PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES... CUERO...HALLETTSVILLE...CARRIZO SPRINGS 411 AM CST SUN NOV 27 2011 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST MONDAY. * EVENT...FREEZING TEMPERATURES IN THE UPPER 20S TO LOWER 30S. * TIMING...MIDNIGHT TO 9 AM MONDAY MORNING. * IMPACT...TENDER PLANTS AND VEGETATION. PETS AND PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
2 follow-up statements
764 WWUS74 KEWX 272136 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 336 PM CST SUN NOV 27 2011 ...A FREEZE WARNING TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE RIO GRANDE PLAINS... ...A HARD FREEZE WARNING FOR THE HILL COUNTRY TONIGHT... .THE STRONG NORTH WINDS ACROSS THE REGION TODAY HAVE PUSHED A VERY DRY AIRMASS INTO THE AREA. WINDS WILL QUICKLY DECREASE THIS EVENING AND TEMPERATURES WILL RAPIDLY FALL TO FREEZING BY MIDNIGHT ACROSS THE HILL COUNTRY AND BEFORE SUNRISE MONDAY ACROSS THE REST OF SOUTH CENTRAL. TEMPERATURES WILL WARM TO ABOVE FREEZING BETWEEN 8 AND 9 AM ON MONDAY MORNING. TXZ171-172-186>190-281000- /O.CON.KEWX.HZ.W.0001.111128T0600Z-111128T1500Z/ LLANO-BURNET-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO- INCLUDING THE CITIES OF...LLANO...BURNET...KERRVILLE...BANDERA... FREDERICKSBURG...BOERNE...BLANCO 336 PM CST SUN NOV 27 2011 ...HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST MONDAY... * EVENT...FREEZING TEMPERATURES IN THE 20S. * TIMING...MIDNIGHT TO 9 AM MONDAY MORNING. * IMPACT...TENDER PLANTS AND VEGETATION. PETS AND PIPES. $$ TXZ173-183>185-191>194-202>209-217>225-228-281000- /O.CON.KEWX.FZ.W.0002.111128T0600Z-111128T1500Z/ WILLIAMSON-VAL VERDE-EDWARDS-REAL-HAYS-TRAVIS-BASTROP-LEE-KINNEY- UVALDE-MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK- ZAVALA-FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...GEORGETOWN...DEL RIO...ROCKSPRINGS... LEAKEY...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS... BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY... PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES... CUERO...HALLETTSVILLE...CARRIZO SPRINGS 336 PM CST SUN NOV 27 2011 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST MONDAY... * EVENT...FREEZING TEMPERATURES IN THE UPPER 20S TO LOWER 30S. * TIMING...MIDNIGHT TO 9 AM MONDAY MORNING. * IMPACT...TENDER PLANTS AND VEGETATION. PETS AND PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
943 WWUS74 KEWX 280959 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 359 AM CST MON NOV 28 2011 ...A FREEZE WARNING REMAINS IN EFFECT THIS MORNING FOR ALL OF SOUTH CENTRAL TEXAS AND THE RIO GRANDE PLAINS... ...A HARD FREEZE WARNING CONTINUES FOR THE HILL COUNTRY THIS MORNING... .COLD AND VERY DRY AIR WILL ACCOMPANY VERY LIGHT WINDS AND CLEAR SKIES THIS MORNING. TEMPERATURES NEAR OR BELOW FREEZING ARE EXPECTED ACROSS ALL OF SOUTH CENTRAL TEXAS THIS MORNING...WITH PARTS OF THE HILL COUNTRY EXPECTED TO SEE TEMPERATURES IN THE MIDDLE 20S. TEMPERATURES SHOULD WARM TO NEAR OR ABOVE FREEZING BY 9 AM FOR MOST AREAS...AND CONTINUE TO WARM RAPIDLY LATE THIS MORNING. TXZ171-172-186>190-281500- /O.CON.KEWX.HZ.W.0001.000000T0000Z-111128T1500Z/ LLANO-BURNET-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO- INCLUDING THE CITIES OF...LLANO...BURNET...KERRVILLE...BANDERA... FREDERICKSBURG...BOERNE...BLANCO 359 AM CST MON NOV 28 2011 ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * EVENT...FREEZING TEMPERATURES IN THE 20S. * TIMING...THROUGH 9 AM THIS MORNING. * IMPACT...TENDER PLANTS AND VEGETATION. PETS AND PIPES. $$ TXZ173-183>185-191>194-202>209-217>225-228-281500- /O.CON.KEWX.FZ.W.0002.000000T0000Z-111128T1500Z/ WILLIAMSON-VAL VERDE-EDWARDS-REAL-HAYS-TRAVIS-BASTROP-LEE-KINNEY- UVALDE-MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK- ZAVALA-FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...GEORGETOWN...DEL RIO...ROCKSPRINGS... LEAKEY...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS... BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY... PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES... CUERO...HALLETTSVILLE...CARRIZO SPRINGS 359 AM CST MON NOV 28 2011 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * EVENT...FREEZING TEMPERATURES IN THE UPPER 20S TO LOWER 30S. * TIMING...THROUGH 9 AM THIS MORNING. * IMPACT...TENDER PLANTS AND VEGETATION. PETS AND PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 4:11 AM CST | Hard Freeze Warning | EWX | Bandera, Blanco, Burnet, Gillespie, Kendall, Kerr and 1 more | 29 hr |
Nearby
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.