Alert archive / Texas / Wind Advisories in 2020
Wind Advisory 5, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at Dec 12, 2020, 7:34 PM CST for 33 counties in Texas. It took effect at Dec 13, 2020, 11:00 AM CST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2020, 7:34 PM CST (01:34 UTC)
- In effect from
- Dec 13, 2020, 11:00 AM CST
- Expired
- Dec 14, 2020, 12:00 AM CST
- 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 01:37 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 00:00Z, 1.6 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
- 2638 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
180 WWUS74 KEWX 130134 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 734 PM CST Sat Dec 12 2020 TXZ183>185-202-203-217-218-228-131400- /O.NEW.KEWX.WI.Y.0005.201213T1600Z-201214T0000Z/ Val Verde-Edwards-Real-Kinney-Uvalde-Maverick-Zavala-Dimmit- Including the cities of Del Rio, Rocksprings, Leakey, Brackettville, Uvalde, Eagle Pass, Crystal City, and Carrizo Springs 734 PM CST Sat Dec 12 2020 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 6 PM CST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Val Verde, Edwards, Real, Kinney, Uvalde, Maverick, Zavala and Dimmit Counties. * WHEN...From 10 AM to 6 PM CST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. 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. && $$
7 follow-up statements
966 WWUS74 KEWX 130930 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 330 AM CST Sun Dec 13 2020 TXZ171>173-186>192-140000- /O.EXA.KEWX.WI.Y.0005.201213T1600Z-201214T0000Z/ Llano-Burnet-Williamson-Kerr-Bandera-Gillespie-Kendall-Blanco- Hays-Travis- Including the cities of Llano, Burnet, Georgetown, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, and Austin 330 AM CST Sun Dec 13 2020 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING... * WHAT...Northwest winds 15 to 30 mph with gusts up to 40 mph expected. * WHERE...Llano, Burnet, Williamson, Kerr, Bandera, Gillespie, Kendall, Blanco, Hays and Travis Counties. * WHEN...From 10 AM to 6 PM CST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ TXZ183>185-202-203-217-218-228-140000- /O.CON.KEWX.WI.Y.0005.201213T1600Z-201214T0000Z/ Val Verde-Edwards-Real-Kinney-Uvalde-Maverick-Zavala-Dimmit- Including the cities of Del Rio, Rocksprings, Leakey, Brackettville, Uvalde, Eagle Pass, Crystal City, and Carrizo Springs 330 AM CST Sun Dec 13 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Val Verde, Edwards, Real, Kinney, Uvalde, Maverick, Zavala and Dimmit Counties. * WHEN...From 10 AM to 6 PM CST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. 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. && $$
420 WWUS74 KEWX 131507 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 907 AM CST Sun Dec 13 2020 TXZ171>173-184>192-203-132315- /O.NEW.KEWX.FG.Y.0029.201213T1507Z-201213T1700Z/ /O.EXT.KEWX.WI.Y.0005.201213T1700Z-201214T0000Z/ Llano-Burnet-Williamson-Edwards-Real-Kerr-Bandera-Gillespie- Kendall-Blanco-Hays-Travis-Uvalde- Including the cities of Llano, Burnet, Georgetown, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, and Uvalde 907 AM CST Sun Dec 13 2020 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Portions of south central Texas. * WHEN...For the Dense Fog Advisory, until 11 AM CST this morning. For the Wind Advisory, until 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ TXZ193-194-204>208-131700- /O.NEW.KEWX.FG.Y.0029.201213T1507Z-201213T1700Z/ Bastrop-Lee-Medina-Bexar-Comal-Guadalupe-Caldwell- Including the cities of Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, and Lockhart 907 AM CST Sun Dec 13 2020 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Bastrop, Lee, Medina, Bexar, Comal, Guadalupe and Caldwell Counties. * WHEN...Until 11 AM CST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ TXZ183-202-217-218-228-132315- /O.EXT.KEWX.WI.Y.0005.201213T1700Z-201214T0000Z/ Val Verde-Kinney-Maverick-Zavala-Dimmit- Including the cities of Del Rio, Brackettville, Eagle Pass, Crystal City, and Carrizo Springs 907 AM CST Sun Dec 13 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Kinney, Val Verde, Dimmit, Maverick and Zavala Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
151 WWUS74 KEWX 131709 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1109 AM CST Sun Dec 13 2020 TXZ171>173-184>192-203-140000- /O.EXP.KEWX.FG.Y.0029.000000T0000Z-201213T1700Z/ /O.CON.KEWX.WI.Y.0005.000000T0000Z-201214T0000Z/ Llano-Burnet-Williamson-Edwards-Real-Kerr-Bandera-Gillespie- Kendall-Blanco-Hays-Travis-Uvalde- Including the cities of Llano, Burnet, Georgetown, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, and Uvalde 1109 AM CST Sun Dec 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Portions of south central Texas. * WHEN...Until 6 PM CST this evening. * 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. && $$ TXZ193-194-204>208-131815- /O.EXP.KEWX.FG.Y.0029.000000T0000Z-201213T1700Z/ Bastrop-Lee-Medina-Bexar-Comal-Guadalupe-Caldwell- Including the cities of Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, and Lockhart 1109 AM CST Sun Dec 13 2020 ...DENSE FOG ADVISORY HAS EXPIRED... The dense fog has lifted. $$ TXZ183-202-217-218-228-140000- /O.CON.KEWX.WI.Y.0005.000000T0000Z-201214T0000Z/ Val Verde-Kinney-Maverick-Zavala-Dimmit- Including the cities of Del Rio, Brackettville, Eagle Pass, Crystal City, and Carrizo Springs 1109 AM CST Sun Dec 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Kinney, Val Verde, Dimmit, Maverick and Zavala Counties. * WHEN...Until 6 PM CST this evening. * 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. && $$
652 WWUS74 KEWX 131923 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 123 PM CST Sun Dec 13 2020 TXZ171>173-183>192-202-203-217-218-228-140300- /O.EXT.KEWX.WI.Y.0005.000000T0000Z-201214T0300Z/ Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Kinney-Uvalde-Maverick- Zavala-Dimmit- Including the cities of Llano, Burnet, Georgetown, Del Rio, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, Brackettville, Uvalde, Eagle Pass, Crystal City, and Carrizo Springs 123 PM CST Sun Dec 13 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Portions of south central Texas. * WHEN...Until 9 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
131 WWUS74 KEWX 132004 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 204 PM CST Sun Dec 13 2020 TXZ193-194-204>209-219>225-140300- /O.EXA.KEWX.WI.Y.0005.000000T0000Z-201214T0300Z/ Bastrop-Lee-Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Frio- Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca- Including the cities of Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Pearsall, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, and Hallettsville 204 PM CST Sun Dec 13 2020 ...WIND ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 25 mph with gusts up to 40 mph. * WHERE...Portions of south central Texas. * WHEN...Until 9 PM CST this evening. * 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. && $$ TXZ171>173-183>192-202-203-217-218-228-140300- /O.CON.KEWX.WI.Y.0005.000000T0000Z-201214T0300Z/ Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Kinney-Uvalde-Maverick- Zavala-Dimmit- Including the cities of Llano, Burnet, Georgetown, Del Rio, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, Brackettville, Uvalde, Eagle Pass, Crystal City, and Carrizo Springs 204 PM CST Sun Dec 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Portions of south central Texas. * WHEN...Until 9 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
593 WWUS74 KEWX 132214 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 414 PM CST Sun Dec 13 2020 TXZ171>173-183>194-202>209-217>225-228-140300- /O.CON.KEWX.WI.Y.0005.000000T0000Z-201214T0300Z/ 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, and Carrizo Springs 414 PM CST Sun Dec 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of south central Texas. * WHEN...Until 9 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. 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. && $$
310 WWUS74 KEWX 140258 NPWEWX URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 858 PM CST Sun Dec 13 2020 TXZ171-172-183>186-188-202-203-217>219-222-224-228-140400- /O.CAN.KEWX.WI.Y.0005.000000T0000Z-201214T0300Z/ Llano-Burnet-Val Verde-Edwards-Real-Kerr-Gillespie-Kinney-Uvalde- Maverick-Zavala-Frio-Karnes-De Witt-Dimmit- Including the cities of Llano, Burnet, Del Rio, Rocksprings, Leakey, Kerrville, Fredericksburg, Brackettville, Uvalde, Eagle Pass, Crystal City, Pearsall, Karnes City, Cuero, and Carrizo Springs 858 PM CST Sun Dec 13 2020 ...WIND ADVISORY IS CANCELLED... Surface observations show that winds have diminished to below wind advisory criteria across these counties. $$ TXZ173-187-189>194-204>209-220-221-223-225-140600- /O.EXT.KEWX.WI.Y.0005.000000T0000Z-201214T0600Z/ Williamson-Bandera-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Medina- Bexar-Comal-Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Gonzales- Lavaca- Including the cities of Georgetown, Bandera, Boerne, Blanco, San Marcos, Austin, Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Pleasanton, Floresville, Gonzales, and Hallettsville 858 PM CST Sun Dec 13 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of south central Texas. * WHEN...Until midnight CST tonight. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. 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. && $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 4:07 AM CST | Red Flag Warning | EWX | Bandera, Dimmit, Edwards, Frio, Gillespie, Kerr and 8 more | 14 hr |
| Dec 13, 9:07 AM CST | Dense Fog Advisory | EWX | Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 14 more | 113 min |
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.