Alert archive / Texas / Wind Advisories in 2019
Wind Advisory 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at May 20, 2019, 2:51 AM CDT for 33 counties in Texas. It took effect at May 20, 2019, 12:00 PM CDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- May 20, 2019, 2:51 AM CDT (07:51 UTC)
- In effect from
- May 20, 2019, 12:00 PM CDT
- Expired
- May 21, 2019, 1:00 AM CDT
- In force
- 13 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 07:52 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 (KDLF), launched 00:00Z, 7.9 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
- 2098 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1538 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.4
The text
As transmitted.
874 WWUS74 KEWX 200751 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 251 AM CDT Mon May 20 2019 TXZ171>173-183>194-202>209-217>225-228-210600- /O.NEW.KEWX.WI.Y.0004.190520T1700Z-190521T0600Z/ 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, Bracketville, Uvalde, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Eagle Pass, Crystal City, Pearsall, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, Halletsville, and Carrizo Springs 251 AM CDT Mon May 20 2019 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 1 AM CDT TUESDAY... The National Weather Service in Austin/San Antonio has issued a Wind Advisory, which is in effect from noon today to 1 AM CDT Tuesday. * TIMING...This afternoon through early Tuesday morning. * WINDS...South to southeast winds 15 to 25 MPH with gusts 35 to 40 MPH. * IMPACTS...Loose and unsecured outdoor articles may be blown about in the wind. Driving will become difficult for vehicles on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds in excess of 35 MPH are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. && $$
2 follow-up statements
813 WWUS74 KEWX 202019 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 319 PM CDT Mon May 20 2019 TXZ171>173-183>194-202>209-217>225-228-210600- /O.CON.KEWX.WI.Y.0004.000000T0000Z-190521T0600Z/ Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde- Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala- Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Llano, Burnet, Georgetown, Del Rio, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, Bastrop, Giddings, Bracketville, Uvalde, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Eagle Pass, Crystal City, Pearsall, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, Halletsville, and Carrizo Springs 319 PM CDT Mon May 20 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * TIMING...This afternoon through early Tuesday morning. * WINDS...South to southeast winds 15 to 30 MPH with gusts 35 to 40 MPH. * IMPACTS...Loose and unsecured outdoor articles may be blown about in the wind. Driving will become difficult for vehicles on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds in excess of 35 MPH are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. && $$
586 WWUS74 KEWX 210555 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1255 AM CDT Tue May 21 2019 TXZ171>173-183>194-202>209-217>225-228-210700- /O.EXP.KEWX.WI.Y.0004.000000T0000Z-190521T0600Z/ 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, Bracketville, Uvalde, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Eagle Pass, Crystal City, Pearsall, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, Halletsville, and Carrizo Springs 1255 AM CDT Tue May 21 2019 ...WIND ADVISORY WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING... Gusty winds will persist through the overnight hours, but speeds across most of the region have fallen below Advisory levels and the Wind Advisory will be allowed to expire at 1 AM. $$
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.