Alert archive / Texas / Wind Advisories in 2021
Wind Advisory 6, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at Oct 27, 2021, 7:05 PM CDT for 8 counties in Texas. It took effect at Oct 28, 2021, 10:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 27, 2021, 7:05 PM CDT (00:05 UTC)
- In effect from
- Oct 28, 2021, 10:00 AM CDT
- Expired
- Oct 28, 2021, 7:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Bastrop County, TX, Burnet County, TX, Fayette County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.1 hours before the alert went out and 283 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
- 3845 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
266 WWUS74 KEWX 280005 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 705 PM CDT Wed Oct 27 2021 TXZ171-172-280815- /O.EXP.KEWX.WI.Y.0005.000000T0000Z-211028T0000Z/ /O.NEW.KEWX.WI.Y.0006.211028T1500Z-211029T0000Z/ Llano-Burnet- Including the cities of Llano and Burnet 705 PM CDT Wed Oct 27 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT THURSDAY... ...WIND ADVISORY HAS EXPIRED... * WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Llano and Burnet Counties. * WHEN...From 10 AM to 7 PM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds have decreased this evening and the Wind Advisory for today has been allowed to expire. Winds will increase again Thursday morning, and we have issued a wind advisory for Thursday from 10 AM until 7 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ TXZ183>190-202>207-217>220-228-280115- /O.EXP.KEWX.WI.Y.0005.000000T0000Z-211028T0000Z/ Val Verde-Edwards-Real-Kerr-Bandera-Gillespie-Kendall-Blanco- Kinney-Uvalde-Medina-Bexar-Comal-Guadalupe-Maverick-Zavala-Frio- Atascosa-Dimmit- Including the cities of Del Rio, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, Brackettville, Uvalde, Hondo, San Antonio, New Braunfels, Seguin, Eagle Pass, Crystal City, Pearsall, Pleasanton, and Carrizo Springs 705 PM CDT Wed Oct 27 2021 ...WIND ADVISORY HAS EXPIRED... Winds have decreased to less than 20 mph this evening, and we have allowed the Wind Advisory to expire. $$ TXZ173-192>194-209-225-280815- /O.NEW.KEWX.WI.Y.0006.211028T1500Z-211029T0000Z/ Williamson-Travis-Bastrop-Lee-Fayette-Lavaca- Including the cities of Georgetown, Austin, Bastrop, Giddings, La Grange, and Hallettsville 705 PM CDT Wed Oct 27 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT THURSDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Williamson, Travis, Bastrop, Lee, Fayette and Lavaca Counties. * WHEN...From 10 AM to 7 PM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds will increase again Thursday morning, and we have issued a wind advisory for Thursday from 10 AM until 7 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
487 WWUS74 KEWX 280823 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 323 AM CDT Thu Oct 28 2021 TXZ171>173-192>194-209-225-281630- /O.CON.KEWX.WI.Y.0006.211028T1500Z-211029T0000Z/ Llano-Burnet-Williamson-Travis-Bastrop-Lee-Fayette-Lavaca- Including the cities of Llano, Burnet, Georgetown, Austin, Bastrop, Giddings, La Grange, and Hallettsville 323 AM CDT Thu Oct 28 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Williamson, Travis, Bastrop, Lee, Fayette and Lavaca Counties. * WHEN...From 10 AM to 7 PM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
807 WWUS74 KEWX 281509 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1009 AM CDT Thu Oct 28 2021 TXZ171>173-192>194-209-225-290000- /O.CON.KEWX.WI.Y.0006.000000T0000Z-211029T0000Z/ Llano-Burnet-Williamson-Travis-Bastrop-Lee-Fayette-Lavaca- Including the cities of Llano, Burnet, Georgetown, Austin, Bastrop, Giddings, La Grange, and Hallettsville 1009 AM CDT Thu Oct 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Williamson, Travis, Bastrop, Lee, Fayette and Lavaca Counties. * WHEN...From 10 AM to 7 PM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
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.