Alert archive / Texas / Wind Advisories in 2012
Wind Advisory 7, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at Dec 19, 2012, 3:20 PM CST for 33 counties in Texas. It took effect at Dec 20, 2012, 12:00 AM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2012, 3:20 PM CST (21:20 UTC)
- In effect from
- Dec 20, 2012, 12:00 AM CST
- Expired
- Dec 20, 2012, 3:00 PM CST
- In force
- 15 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 21:19 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 12:00Z, 9.3 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
- 2117 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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
2 follow-up statements
111 WWUS74 KEWX 200258 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 858 PM CST WED DEC 19 2012 ...GUSTY NORTH WINDS EXPECTED ACROSS SOUTH CENTRAL TEXAS FROM MIDNIGHT TONIGHT THROUGH LATE THURSDAY AFTERNOON... .A STRONG COLD FRONT WILL SURGE ACROSS SOUTH CENTRAL TEXAS THIS EVENING INTO THE OVERNIGHT HOURS. BEHIND THE COLD FRONT...WINDS WILL BECOME NORTHERLY AND INCREASE. EXPECT NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO NEAR 40 MPH. THE WINDS WILL SUBSIDE LATE THURSDAY AFTERNOON AS A COLD SURFACE HIGH SETTLES INTO SOUTH CENTRAL TEXAS. TXZ171>173-183>194-202>209-217>225-228-201200- /O.EXT.KEWX.WI.Y.0007.121220T0600Z-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- 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 858 PM CST WED DEC 19 2012 ...WIND ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST THURSDAY... * TIMING...MIDNIGHT TONIGHT THROUGH 3 PM CST THURSDAY. * WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH GUSTS TO 40 MPH. * IMPACTS...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. && $$
640 WWUS74 KEWX 201114 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 514 AM CST THU DEC 20 2012 ...GUSTY NORTH WINDS WILL CONTINUE ACROSS SOUTH CENTRAL TEXAS THROUGH THIS AFTERNOON... .A COLD FRONT WHICH PUSHED ACROSS SOUTH CENTRAL TEXAS OVERNIGHT HAS BROUGHT STRONG AND GUSTY WINDS TO THE AREA. NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO NEAR 45 MPH WILL CONTINUE THIS MORNING AND INTO THE AFTERNOON. THE BREEZY AND GUSTY WINDS WILL SUBSIDE THIS AFTERNOON AS SURFACE PRESSURE GRADIENTS BEGIN TO WEAKEN ACROSS SOUTH CENTRAL TEXAS. TXZ171>173-183>194-202>209-217>225-228-202100- /O.CON.KEWX.WI.Y.0007.000000T0000Z-121220T2100Z/ LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS... BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY... PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES... CUERO...HALLETTSVILLE...CARRIZO SPRINGS 514 AM CST THU DEC 20 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * TIMING...UNTIL 3 PM CST THURSDAY. * WINDS...NORTH TO NORTHWEST WINDS 20 TO 30 MPH GUSTS TO 45 MPH. * IMPACTS...LIGHT WEIGHT OBJECTS SUCH AS TRASH CANS...PATIO FURNITURE AND LAWN DECORATIONS WILL BE BLOWN AROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:24 AM CST | Red Flag Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 38 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.