Alert archive / Texas / Wind Advisories in 2012
Wind Advisory 6, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at Dec 9, 2012, 9:46 PM CST for 33 counties in Texas. It took effect at Dec 10, 2012, 12:00 AM CST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Dec 9, 2012, 9:46 PM CST (03:46 UTC)
- In effect from
- Dec 10, 2012, 12:00 AM CST
- Expired
- Dec 10, 2012, 10:46 AM CST
- In force
- 11 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 03:49 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, 3.8 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
- 28 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 1583 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
111 WWUS74 KEWX 100346 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 946 PM CST SUN DEC 9 2012 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TO 10 AM MONDAY FOR ALL OF SOUTH CENTRAL TEXAS... .STRONG NORTHERLY WINDS WILL AFFECT SOUTH CENTRAL TEXAS OVERNIGHT AND MONDAY MORNING AS A STRONG COLD FRONT CONTINUES TO PUSH SOUTHWARD. TXZ171>173-183>194-202>209-217>225-228-101600- /O.NEW.KEWX.WI.Y.0006.121210T0600Z-121210T1600Z/ 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- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...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 946 PM CST SUN DEC 9 2012 ...WIND ADVISORY IN EFFECT UNTIL 10 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST MONDAY. * TIMING...FROM MIDNIGHT TO 10 AM CST MONDAY MORNING. * WINDS...EXPECT WIND SPEEDS OF 20 TO 30 MPH WITH GUSTS UP TO 35 MPH. * IMPACTS...STRONG WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS...ESPECIALLY FOR OPERATORS OF HIGH PROFILE VEHICLES. LIGHT-WEIGHT OBJECTS SUCH AS TRASH CANS AND PATIO FURNITURE WILL BE BLOWN AROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
3 follow-up statements
750 WWUS74 KEWX 101017 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 417 AM CST MON DEC 10 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON CST TODAY FOR ALL OF SOUTH CENTRAL TEXAS... ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 10 AM CST TUESDAY FOR ALL OF SOUTH CENTRAL TEXAS... .STRONG NORTHERLY WINDS IN THE WAKE OF THE COLD FRONT WILL AFFECT SOUTH CENTRAL TEXAS THIS MORNING. THE WINDS WILL DIMINISH BELOW WIND ADVISORY CRITERIA THIS AFTERNOON AS THE PRESSURE GRADIENT RELAXES. SURFACE HIGH PRESSURE WILL BUILD ACROSS SOUTH CENTRAL TEXAS TONIGHT. THE DRY CANADIAN AIRMASS COMBINED WITH LIGHT WINDS AND CLEAR SKIES OVERNIGHT WILL RESULT IN STRONG RADIATIONAL COOLING. A WIDESPREAD FREEZE WILL OCCUR ACROSS SOUTH CENTRAL TEXAS WITH A HARD FREEZE ACROSS THE HILL COUNTRY. TXZ171>173-183>194-202>209-217>225-228-102200- /O.NEW.KEWX.FZ.W.0004.121211T0500Z-121211T1600Z/ /O.EXT.KEWX.WI.Y.0006.000000T0000Z-121210T1800Z/ 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- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...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 417 AM CST MON DEC 10 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY... ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 10 AM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM CST TUESDAY. * TIMING...FROM 11 PM CST TONIGHT TO 10 AM CST TUESDAY MORNING. * TEMPERATURES...LOWS RANGING FROM 17 TO 25 DEGREES ACROSS THE HILL COUNTRY. LOWS 25 TO 30 DEGREES ACROSS THE REST OF SOUTH CENTRAL TEXAS. * IMPACTS...A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...PIPES SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEIR SYSTEMS...OR COVER ANY ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. && $$
694 WWUS74 KEWX 101520 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 920 AM CST MON DEC 10 2012 ...WINDY CONDITIONS THROUGH NOON...FOLLOWED BY BELOW FREEZING TEMPERATURES LATE TONIGHT THROUGH TUESDAY MORNING... .STRONG NORTHERLY WINDS IN THE WAKE OF A COLD FRONT WILL AFFECT SOUTH CENTRAL TEXAS THROUGH THIS MORNING. THE WINDS WILL THEN BEGIN TO DECREASE THIS AFTERNOON. SURFACE HIGH PRESSURE WILL BUILD ACROSS SOUTH CENTRAL TEXAS TONIGHT. THE DRY CANADIAN AIR MASS COMBINED WITH LIGHT WINDS AND CLEAR SKIES OVERNIGHT WILL RESULT IN TEMPERATURES FALLING BELOW FREEZING. A WIDESPREAD FREEZE WILL OCCUR ACROSS SOUTH CENTRAL TEXAS WITH A HARD FREEZE ACROSS THE HILL COUNTRY. TXZ171>173-183>194-202>209-217>225-228-110000- /O.CON.KEWX.FZ.W.0004.121211T0500Z-121211T1600Z/ /O.CON.KEWX.WI.Y.0006.000000T0000Z-121210T1800Z/ 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- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...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 920 AM CST MON DEC 10 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM CST TUESDAY... * TIMING...WINDS...THROUGH NOON CST TODAY. BELOW FREEZING TEMPERATURES...FROM 11 PM CST TONIGHT TO 10 AM CST TUESDAY MORNING. * WINDS...NORTH WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 35 MPH. * TEMPERATURES...LOWS RANGING FROM 17 TO 25 DEGREES ACROSS THE HILL COUNTRY. LOWS 25 TO 30 DEGREES ACROSS THE REST OF SOUTH CENTRAL TEXAS. * IMPACTS...WINDS...LIGHT-WEIGHT OBJECTS SUCH AS TRASH CANS AND PATIO FURNITURE WILL BE BLOWN AROUND. TEMPERATURES...A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER PIPES...PIPES SHOULD BE WRAPPED...DRAINED...OR ALLOWED TO DRIP SLOWLY. THOSE THAT HAVE IN-GROUND SPRINKLER SYSTEMS SHOULD DRAIN THEIR SYSTEMS...OR COVER ANY ABOVE-GROUND PIPES TO PROTECT THEM FROM FREEZING. && $$
501 WWUS74 KEWX 101646 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1046 AM CST MON DEC 10 2012 ...WIND SPEEDS HAVE DECREASED BELOW ADVISORY CRITERIA... ...FREEZING TEMPERATURES LATE TONIGHT THROUGH TUESDAY MORNING... .NORTHERLY WINDS IN THE WAKE OF A COLD FRONT HAVE WEAKENED OVER THE PAST FEW HOURS AND ARE BELOW WIND ADVISORY CRITERIA. WINDS WILL CONTINUE TO DECREASE THIS AFTERNOON. SURFACE HIGH PRESSURE WILL BUILD ACROSS SOUTH CENTRAL TEXAS TODAY. THE DRY CANADIAN AIR MASS COMBINED WITH LIGHT WINDS AND CLEAR SKIES OVERNIGHT WILL RESULT IN TEMPERATURES FALLING BELOW FREEZING. A WIDESPREAD FREEZE WILL OCCUR ACROSS SOUTH CENTRAL TEXAS WITH A HARD FREEZE ACROSS THE HILL COUNTRY. TXZ171>173-183>194-202>209-217>225-228-110100- /O.CAN.KEWX.WI.Y.0006.000000T0000Z-121210T1800Z/ /O.CON.KEWX.FZ.W.0004.121211T0500Z-121211T1600Z/ 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- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...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 1046 AM CST MON DEC 10 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM CST TUESDAY... ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELLED THE WIND ADVISORY. * TIMING...TEMPERATURES WILL DROP BELOW FREEZING AFTER 11 PM THIS EVENING AND REMAIN BELOW UNTIL 10 AM TUESDAY. * TEMPERATURES...LOWS RANGING FROM 17 TO 25 DEGREES ACROSS THE HILL COUNTRY. LOWS 25 TO 30 DEGREES ACROSS THE REST OF SOUTH CENTRAL TEXAS. * IMPACTS...SUB-FREEZING TEMPERATURES ARE HIGHLY LIKELY TONIGHT. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION AND WILL BE DANGEROUS FOR PETS. 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 |
|---|---|---|---|---|
| Dec 9, 6:15 PM CST | Special Weather Statement | EWX | Karnes, Wilson | 60 min |
| Dec 9, 6:34 PM CST | Special Weather Statement | EWX | Bastrop, Caldwell, Lee | 56 min |
| Dec 9, 8:00 PM CST | Special Weather Statement | EWX | Caldwell, Gonzales, Guadalupe | 60 min |
| Dec 10, 4:17 AM CST | Freeze Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 30 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.