Alert archive / Texas / Wind Advisories in 2009
Wind Advisory 8, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at Mar 28, 2009, 4:28 AM CDT for 16 counties in Texas. It took effect at Mar 28, 2009, 9:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 2009, 4:28 AM CDT (09:28 UTC)
- In effect from
- Mar 28, 2009, 9:00 AM CDT
- Expired
- Mar 28, 2009, 3:34 PM CDT
- In force
- 7 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Bastrop County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Fayette County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX
The radar
The Austin/San Antonio radar (KEWX), 46 km from the middle of the area, began a volume at 09:32 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
Corpus Christi, TX (KCRP), launched 00:00Z, 9.5 hours before the alert went out and 267 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
- 5953 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS74 KEWX 280928 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 428 AM CDT SAT MAR 28 2009 ...STRONG NORTHWEST WINDS WILL CONTINUE TODAY... .A POTENT UPPER LEVEL STORM SYSTEM MOVING ACROSS THE SOUTHERN UNITED STATES WILL RESULT IN STRONG NORTHWEST WINDS TODAY. WIND SPEEDS OF 20 TO 35 MPH WILL GUST TO NEAR 45 MPH AT TIMES WITH THE HIGHEST WINDS EXPECTED AROUND NOON. THE STORM SYSTEM WILL SLOWLY SHIFT EAST TODAY WITH GRADUALLY DECREASING WINDS EXPECTED LATE THIS AFTERNOON. TXZ171>173-188>194-206>209-223-225-282200- /O.NEW.KEWX.WI.Y.0008.090328T1400Z-090328T2200Z/ LLANO-BURNET-WILLIAMSON-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS- BASTROP-LEE-COMAL-GUADALUPE-CALDWELL-FAYETTE-GONZALES-LAVACA- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN... FREDERICKSBURG...BOERNE...BLANCO...SAN MARCOS...AUSTIN... BASTROP...GIDDINGS...NEW BRAUNFELS...SEGUIN...LOCKHART... LA GRANGE...GONZALES...HALLETTSVILLE 428 AM CDT SAT MAR 28 2009 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CDT THIS AFTERNOON. EXPECT NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH POSSIBLE AFTER 9 AM. WINDS WILL GRADUALLY DECREASE AFTER 4 PM...AND THEN DECREASE MORE RAPIDLY AFTER DUSK. 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. && $$
2 follow-up statements
000 WWUS74 KEWX 281020 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 520 AM CDT SAT MAR 28 2009 ...STRONG NORTHWEST WINDS WILL CONTINUE BRING VERY COLD AIR INTO SOUTH CENTRAL TEXAS TODAY... .A POTENT UPPER LEVEL STORM SYSTEM MOVING ACROSS THE SOUTHERN UNITED STATES WILL RESULT IN STRONG NORTHWEST WINDS TODAY. WIND SPEEDS OF 20 TO 35 MPH WILL GUST TO NEAR 45 MPH AT TIMES WITH THE HIGHEST WINDS EXPECTED AROUND NOON. THE STORM SYSTEM WILL SLOWLY SHIFT EAST TODAY WITH GRADUALLY DECREASING WINDS EXPECTED LATE THIS AFTERNOON. WINDS WILL DECREASE RAPIDLY AFTER DUSK WITH TEMPERATURES EXPECTED TO PLUMMET TONIGHT. RECORD COLD TEMPERATURES WILL BRING THE FIRST FREEZING TEMPERATURES SEEN IN ABOUT 3 WEEKS FOR MANY PARTS OF SOUTH CENTRAL TEXAS. TXZ171>173-188>194-206>209-223-281830- /O.NEW.KEWX.FZ.W.0001.090329T0700Z-090329T1400Z/ /O.CON.KEWX.WI.Y.0008.090328T1400Z-090328T2200Z/ LLANO-BURNET-WILLIAMSON-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS- BASTROP-LEE-COMAL-GUADALUPE-CALDWELL-FAYETTE-GONZALES- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN... FREDERICKSBURG...BOERNE...BLANCO...SAN MARCOS...AUSTIN... BASTROP...GIDDINGS...NEW BRAUNFELS...SEGUIN...LOCKHART... LA GRANGE...GONZALES 520 AM CDT SAT MAR 28 2009 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CDT THIS AFTERNOON... ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY. A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CDT THIS AFTERNOON. EXPECT NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH POSSIBLE AFTER 9 AM. WINDS WILL GRADUALLY DECREASE AFTER 4 PM... AND THEN DECREASE MORE RAPIDLY AFTER DUSK. THE LIGHT WINDS TONIGHT WILL RESULT IN RAPID COOLING WITH TEMPERATURES EXPECTED TO FALL TO BELOW 32 DEGREES AS EARLY AS 2 AM. THE COLDEST TEMPERATURES ARE EXPECTED TO BE FROM 27 TO 31 DEGREES OVER THE PROTECTED VALLEYS OF THE HILL COUNTRY...WITH SEVERAL HOURS OF FREEZING TEMPERATURES POSSIBLE. MOST AREAS SHOULD EXPECT TO SEE TEMPERATURES ONLY BRIEFLY FLIRT WITH THE FREEZING MARK AT AROUND SUNRISE. 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. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ TXZ183>187-202>205-219>221-281830- /O.NEW.KEWX.FZ.W.0001.090329T0700Z-090329T1400Z/ VAL VERDE-EDWARDS-REAL-KERR-BANDERA-KINNEY-UVALDE-MEDINA-BEXAR- FRIO-ATASCOSA-WILSON- INCLUDING THE CITIES OF...DEL RIO...ROCKSPRINGS...LEAKEY... KERRVILLE...BANDERA...BRACKETTVILLE...UVALDE...HONDO... SAN ANTONIO...PEARSALL...PLEASANTON...FLORESVILLE 520 AM CDT SAT MAR 28 2009 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY. A COLD AIRMASS AND WINDS BECOMING LIGHT THIS EVENING WILL RESULT IN RAPID OVERNIGHT COOLING...WITH TEMPERATURES EXPECTED TO FALL TO BELOW 32 DEGREES AS EARLY AS 2 AM. THE COLDEST TEMPERATURES ARE EXPECTED TO BE FROM 27 TO 31 DEGREES OVER THE PROTECTED VALLEYS OF THE HILL COUNTRY...WITH SEVERAL HOURS OF FREEZING TEMPERATURES POSSIBLE. MOST AREAS SHOULD EXPECT TO SEE TEMPERATURES ONLY BRIEFLY FLIRT WITH THE FREEZING MARK AT AROUND SUNRISE. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ TXZ225-281830- /O.CON.KEWX.WI.Y.0008.090328T1400Z-090328T2200Z/ LAVACA- INCLUDING THE CITY OF...HALLETTSVILLE 520 AM CDT SAT MAR 28 2009 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CDT THIS AFTERNOON... A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CDT THIS AFTERNOON. EXPECT NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH POSSIBLE AFTER 9 AM. WINDS WILL GRADUALLY DECREASE AFTER 4 PM... AND THEN DECREASE MORE RAPIDLY AFTER DUSK. A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
000 WWUS74 KEWX 282034 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 334 PM CDT SAT MAR 28 2009 ...NORTHWEST WINDS SLOWLY DECREASING THIS AFTERNOON WILL BECOME LIGHT TONIGHT ALLOWING FOR A BRIEF PERIOD OF FREEZING TEMPERATURES ACROSS PARTS OF SOUTH CENTRAL TEXAS LATE TONIGHT INTO EARLY SUNDAY MORNING... .NORTHWEST WINDS OF 15 TO 25 MPH WITH SOME HIGH GUSTS WILL SLOWLY DECREASE THROUGH THE REMAINDER OF THIS AFTERNOON. AS A RESULT...THE WIND ADVISORY IS CANCELLED. WINDS WILL RAPIDLY BECOME LIGHT AND VARIABLE AFTER SUNSET. THIS COMBINED WITH CLEAR SKIES AND LOW MOISTURE LEVELS. RECORD COLD TEMPERATURES WILL BRING THE FIRST FREEZING TEMPERATURES SEEN IN ABOUT 3 WEEKS FOR MANY PARTS OF SOUTH CENTRAL TEXAS. WINDS WILL RAPIDLY BECOME LIGHT AND VARIABLE AFTER SUNSET. THIS COMBINED WITH CLEAR SKIES AND LOW MOISTURE LEVELS WILL ALLOW TEMPERATURES TO DROP RAPIDLY. TEMPERATURES WILL DROP TO BELOW FREEZING IN SPOTS LATE TONIGHT INTO EARLY SUNDAY MORNING. THE COLDEST TEMPERATURES ARE EXPECTED TO BE FROM 27 TO 31 DEGREES OVER THE PROTECTED VALLEYS OF THE HILL COUNTRY...WITH SEVERAL HOURS OF FREEZING TEMPERATURES POSSIBLE. HOWEVER...MOST AREAS SHOULD EXPECT TO SEE TEMPERATURES ONLY BRIEFLY FLIRT WITH THE FREEZING MARK AT AROUND SUNRISE. TXZ171>173-188>194-206>209-223-290500- /O.CAN.KEWX.WI.Y.0008.000000T0000Z-090328T2200Z/ /O.CON.KEWX.FZ.W.0001.090329T0700Z-090329T1400Z/ LLANO-BURNET-WILLIAMSON-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS- BASTROP-LEE-COMAL-GUADALUPE-CALDWELL-FAYETTE-GONZALES- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN... FREDERICKSBURG...BOERNE...BLANCO...SAN MARCOS...AUSTIN... BASTROP...GIDDINGS...NEW BRAUNFELS...SEGUIN...LOCKHART... LA GRANGE...GONZALES 334 PM CDT SAT MAR 28 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY... ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELLED THE WIND ADVISORY. A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY. NORTHWEST WINDS HAVE DIMINISHED INTO THE 15 TO 25 MPH RANGE WITH SOME HIGHER GUSTS. THESE WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THE REMAINDER OF THIS AFTERNOON. AS A RESULT...THE WIND ADVISORY IS CANCELLED. WINDS WILL RAPIDLY BECOME LIGHT AND VARIABLE AFTER SUNSET. THIS COMBINED WITH CLEAR SKIES AND LOW MOISTURE LEVELS WILL ALLOW TEMPERATURES TO DROP RAPIDLY. TEMPERATURES WILL DROP TO BELOW FREEZING IN SPOTS LATE TONIGHT INTO EARLY SUNDAY MORNING. THE COLDEST TEMPERATURES ARE EXPECTED TO BE FROM 27 TO 31 DEGREES OVER THE PROTECTED VALLEYS OF THE HILL COUNTRY...WITH SEVERAL HOURS OF FREEZING TEMPERATURES POSSIBLE. HOWEVER...MOST AREAS SHOULD EXPECT TO SEE TEMPERATURES ONLY BRIEFLY FLIRT WITH THE FREEZING MARK AT AROUND SUNRISE. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ TXZ225-282145- /O.CAN.KEWX.WI.Y.0008.000000T0000Z-090328T2200Z/ LAVACA- INCLUDING THE CITY OF...HALLETTSVILLE 334 PM CDT SAT MAR 28 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELLED THE WIND ADVISORY. NORTHWEST WINDS HAVE DIMINISHED INTO THE 15 TO 25 MPH RANGE WITH SOME HIGHER GUSTS. THESE WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THE REMAINDER OF THIS AFTERNOON. AS A RESULT...THE WIND ADVISORY IS CANCELLED. $$ TXZ183>187-202>205-219>221-290500- /O.CON.KEWX.FZ.W.0001.090329T0700Z-090329T1400Z/ VAL VERDE-EDWARDS-REAL-KERR-BANDERA-KINNEY-UVALDE-MEDINA-BEXAR- FRIO-ATASCOSA-WILSON- INCLUDING THE CITIES OF...DEL RIO...ROCKSPRINGS...LEAKEY... KERRVILLE...BANDERA...BRACKETTVILLE...UVALDE...HONDO... SAN ANTONIO...PEARSALL...PLEASANTON...FLORESVILLE 334 PM CDT SAT MAR 28 2009 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY. WINDS WILL RAPIDLY BECOME LIGHT AND VARIABLE AFTER SUNSET. THIS COMBINED WITH CLEAR SKIES AND LOW MOISTURE LEVELS WILL ALLOW TEMPERATURES TO DROP RAPIDLY. TEMPERATURES WILL DROP TO BELOW FREEZING IN SPOTS LATE TONIGHT INTO EARLY SUNDAY MORNING. THE COLDEST TEMPERATURES ARE EXPECTED TO BE FROM 27 TO 31 DEGREES OVER THE PROTECTED VALLEYS OF THE HILL COUNTRY...WITH SEVERAL HOURS OF FREEZING TEMPERATURES POSSIBLE. HOWEVER...MOST AREAS SHOULD EXPECT TO SEE TEMPERATURES ONLY BRIEFLY FLIRT WITH THE FREEZING MARK AT AROUND SUNRISE. 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 |
|---|---|---|---|---|
| Mar 28, 5:20 AM CDT | Freeze Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 21 more | 28 hr |
| Mar 28, 3:41 PM CDT | Red Flag Warning | EWX | Atascosa, Bandera, Bexar, Blanco, Burnet, Comal and 18 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.