Alert archive / Texas / High Wind Warnings in 2009
High Wind Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this high wind warning at Apr 30, 2009, 1:35 AM CDT for 12 counties in Texas. It was in force for 2 hr. 3 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
- Apr 30, 2009, 1:35 AM CDT (06:35 UTC)
- Expired
- Apr 30, 2009, 3:45 AM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Atascosa County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, Dimmit County, TX, Frio County, TX, Gonzales County, TX, Guadalupe County, TX, Karnes County, TX, Medina County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 06:34 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 |
|---|---|---|---|
| Apr 30, 2:30 AM CDT | NON-TSTM WND DMG | Pearsall, TX | TIN ROOF BLOWN OF SHED...SOME SHINGLES OFF ROOFS...5 TO 6 INCH DIAMETER TREE BRANCHES DOWN |
| Apr 30, 3:00 AM CDT | NON-TSTM WND DMG | Crystal City, TX | CAR PORT BLOWN DOWN. WINDS E30 TO 40 MPH. |
| Apr 30, 3:30 AM CDT | NON-TSTM WND DMG | Lytle, TX | HORSE BARN BLOWN DOWN |
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 00:00Z, 6.6 hours before the alert went out and 201 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
- 368 J/kg
- Mixed-layer CIN
- -541 J/kg
- Mixed-layer LCL
- 1152 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS74 KEWX 300635 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 135 AM CDT THU APR 30 2009 ...HIGH WIND WARNING FOR ... .INCREASED PRESSURE GRADIENT FROM SEVERE THUNDERSTORMS ALONG THE RIO GRANDE IS PRODUCING WIND GUSTS TO 70 MPH. TXZ204-205-218>220-228-300800- /O.NEW.KEWX.HW.W.0002.090430T0635Z-090430T0800Z/ MEDINA-BEXAR-ZAVALA-FRIO-ATASCOSA-DIMMIT- INCLUDING THE CITIES OF...HONDO...SAN ANTONIO...CRYSTAL CITY... PEARSALL...PLEASANTON...CARRIZO SPRINGS 135 AM CDT THU APR 30 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING. A NARROW CORRIDOR OF WIND GUSTS TO 70 MPH IS MOVING SLOWLY EAST ACROSS THE RIO GRANDE PLAINS OF SOUTH CENTRAL TEXAS. THIS SLOW MOVING AREA OF HIGH WINDS WILL PRODUCE SUSTAINED WINDS TO 45 MPH AND GUSTS OVER 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH FOR ONE HOUR WITH GUSTS OF 58 MPH OR MORE CAN BE EXPECTED WHICH WILL LEAD TO PROPERTY DAMAGE. && $$
2 follow-up statements
000 WWUS74 KEWX 300713 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 213 AM CDT THU APR 30 2009 ...HIGH WIND WARNING THIS MORNING FOR PARTS OF SOUTH CENTRAL TEXAS... .INCREASED PRESSURE GRADIENT FROM SEVERE THUNDERSTORMS ALONG THE RIO GRANDE IS PRODUCING WIND GUSTS TO 70 MPH. TXZ206>208-221>223-301000- /O.EXB.KEWX.HW.W.0002.000000T0000Z-090430T1000Z/ COMAL-GUADALUPE-CALDWELL-WILSON-KARNES-GONZALES- INCLUDING THE CITIES OF...NEW BRAUNFELS...SEGUIN...LOCKHART... FLORESVILLE...KARNES CITY...GONZALES 213 AM CDT THU APR 30 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING. A NARROW CORRIDOR OF WIND GUSTS TO 70 MPH IS MOVING SLOWLY EAST ACROSS SOUTH CENTRAL TEXAS. THIS SLOW MOVING AREA OF HIGH WINDS WILL PRODUCE SUSTAINED WINDS TO 45 MPH AND GUSTS OVER 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH FOR ONE HOUR WITH GUSTS OF 58 MPH OR MORE CAN BE EXPECTED WHICH WILL LEAD TO PROPERTY DAMAGE. && $$ TXZ204-205-218>220-228-301000- /O.EXT.KEWX.HW.W.0002.000000T0000Z-090430T1000Z/ MEDINA-BEXAR-ZAVALA-FRIO-ATASCOSA-DIMMIT- INCLUDING THE CITIES OF...HONDO...SAN ANTONIO...CRYSTAL CITY... PEARSALL...PLEASANTON...CARRIZO SPRINGS 213 AM CDT THU APR 30 2009 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING... THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING. A NARROW CORRIDOR OF WIND GUSTS TO 70 MPH IS MOVING SLOWLY EAST ACROSS THE RIO GRANDE PLAINS OF SOUTH CENTRAL TEXAS. THIS SLOW MOVING AREA OF HIGH WINDS WILL PRODUCE SUSTAINED WINDS TO 45 MPH AND GUSTS OVER 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH FOR ONE HOUR WITH GUSTS OF 58 MPH OR MORE CAN BE EXPECTED WHICH WILL LEAD TO PROPERTY DAMAGE. && $$
000 WWUS74 KEWX 300845 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 345 AM CDT THU APR 30 2009 ...HIGH WIND WARNING CANCELED... .WINDS IN THE WARNED AREA HAVE RETURNED TO NORMAL. TXZ204>208-218>223-228-300945- /O.CAN.KEWX.HW.W.0002.000000T0000Z-090430T1000Z/ MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-ZAVALA-FRIO-ATASCOSA-WILSON- KARNES-GONZALES-DIMMIT- INCLUDING THE CITIES OF...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...CRYSTAL CITY...PEARSALL...PLEASANTON... FLORESVILLE...KARNES CITY...GONZALES...CARRIZO SPRINGS 345 AM CDT THU APR 30 2009 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELED THE HIGH WIND WARNING. THE CORRIDOR OF HIGH WINDS HAS WEAKENED. SUSTAINED WINDS HAVE DROPPED TO 35 MPH WITH GUSTS TO 45 MPH. THIS WEAKENING TREND WILL CONTINUE DURING THE PREDAWN HOURS. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 7:21 PM CDT | Tornado Warning | EWX | Val Verde | 39 min |
| Apr 29, 7:26 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 49 min |
| Apr 29, 7:58 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 32 min |
| Apr 29, 8:34 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 26 min |
| Apr 29, 9:30 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 45 min |
| Apr 30, 12:16 AM CDT | Severe Thunderstorm Warning | EWX | Maverick | 44 min |
Nearby
High Wind Warnings in Texas, 2009Every high wind warning in 2009
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.