Alert archive / Texas / Wind Chill Warnings in 2021
Wind Chill Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind chill warning at Feb 15, 2021, 2:40 PM CST for 33 counties in Texas. It took effect at Feb 15, 2021, 7:00 PM CST. It was in force for 17 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 15, 2021, 2:40 PM CST (20:40 UTC)
- In effect from
- Feb 15, 2021, 7:00 PM CST
- Expired
- Feb 16, 2021, 12:00 PM CST
- In force
- 17 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 20:39 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 12:00Z, 8.7 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
- 877 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
425 WWUS44 KEWX 152040 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 240 PM CST Mon Feb 15 2021 ...Dangerous Wind Chills tonight into Tuesday morning followed by two rounds of Winter Precipitation Tuesday night through early Thursday morning... .For tonight into Tuesday morning, record low temperatures in the single digits to lower teens combined with winds speeds up to 10 mph will result in dangerous wind chills of 5 above zero to 10 below zero. Another storm system will bring two rounds of winter type precipitation Tuesday night through early Thursday morning. The first round Tuesday night into Wednesday morning will bring freezing rain. This will bring renewed accumulation of ice on roads, especially on roads that continue to have ice from earlier systems. For the first round, ice accumulations of 1/10 inch can be expected with localized accumulations of 1/4 inch possible. The second round Wednesday night into early Thursday morning will bring a mix of snow, sleet, and freezing rain. Snow accumulations of 1 to 2 inches are possible along with another ice accumulation of 1/10 inch. TXZ171>173-183>194-202>209-217>225-228-160445- /O.NEW.KEWX.WC.W.0002.210216T0100Z-210216T1800Z/ /O.NEW.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ 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 240 PM CST Mon Feb 15 2021 ...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO NOON CST TUESDAY... ...WINTER STORM WARNING IN EFFECT FROM 6 PM TUESDAY TO 6 AM CST THURSDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills of 5 above zero to 10 below zero are expected. For the Winter Storm Warning, freezing rain is expected Tuesday night into Wednesday morning, then a mix of snow, sleet, and freezing rain Wednesday night into early Thursday morning. Total snow accumulations of 1 to 2 inches and ice accumulations of around one tenth of an inch, locally up to one quarter inch are possible. * WHERE...Portions of south central Texas. * WHEN...For the Wind Chill Warning, from 7 PM this evening to noon CST Tuesday. For the Winter Storm Warning, from 6 PM Tuesday to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact travel. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state can be obtained at drivetexas.org. && $$
4 follow-up statements
227 WWUS44 KEWX 160341 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 941 PM CST Mon Feb 15 2021 ...Dangerous Wind Chills tonight into Tuesday morning followed by two rounds of Winter Precipitation Tuesday night through early Thursday morning... .For tonight into Tuesday morning, record low temperatures in the single digits to lower teens combined with winds speeds up to 10 mph will result in dangerous wind chills of 5 above zero to 10 below zero. Another storm system will bring two rounds of winter type precipitation Tuesday night through early Thursday morning. The first round Tuesday night into Wednesday morning will bring freezing rain. This will bring renewed accumulation of ice on roads, especially on roads that continue to have ice from earlier systems. For the first round, ice accumulations of 1/10 inch can be expected with localized accumulations of 1/4 inch possible. The second round Wednesday night into early Thursday morning will bring a mix of snow, sleet, and freezing rain. Snow accumulations of 1 to 2 inches are possible along with another ice accumulation of 1/10 inch. TXZ171>173-183>194-202>209-217>225-228-161600- /O.CON.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ /O.CON.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ 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 941 PM CST Mon Feb 15 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM TUESDAY TO 6 AM CST THURSDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills of 5 above zero to 10 below zero are expected. For the Winter Storm Warning, freezing rain is expected Tuesday night into Wednesday morning, then a mix of snow, sleet, and freezing rain Wednesday night into early Thursday morning. Total snow accumulations of 1 to 2 inches and ice accumulations of around one tenth of an inch, locally up to one quarter inch are possible. * WHERE...Portions of south central Texas. * WHEN...For the Wind Chill Warning, from 7 PM this evening to noon CST Tuesday. For the Winter Storm Warning, from 6 PM Tuesday to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact travel. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state can be obtained at drivetexas.org. && $$
873 WWUS44 KEWX 161056 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 456 AM CST Tue Feb 16 2021 ...Dangerous Wind Chills this morning followed by two rounds of Winter Precipitation Tuesday night through early Thursday morning... .For this morning, record low temperatures in the single digits to lower teens combined with winds speeds up to 10 mph will result in dangerous wind chills of 5 above zero to as low as 10 below zero. This frigid cold has hardened any ice that became partially melted during the daytime and resulted numerous areas of black ice on roadway and concrete surfaces. Another storm system will bring two rounds of winter type precipitation tonight through early Thursday morning. The first round tonight into Wednesday morning will bring freezing rain. This will bring renewed accumulation of ice on roads, especially those that continue to have ice from earlier systems. Through Wednesday morning, expect additional ice accumulations of 1/10 inch over the warning areas with localized accumulations of 1/4 inch possible. The second round Wednesday night and Thursday morning will bring a mix of snow, sleet, and freezing rain with some additional light accumulations possible. TXZ183-202-203-217>219-228-161800- /O.CAN.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ /O.NEW.KEWX.WW.Y.0004.210217T0000Z-210218T1200Z/ /O.CON.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ Val Verde-Kinney-Uvalde-Maverick-Zavala-Frio-Dimmit- Including the cities of Del Rio, Brackettville, Uvalde, Eagle Pass, Crystal City, Pearsall, and Carrizo Springs 456 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST THURSDAY... ...WINTER STORM WARNING IS CANCELLED AND REPLACED BY THE ADVISORY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills. Wind chills as low as 5 below zero. For the Winter Weather Advisory, mixed precipitation expected. Total snow accumulations of up to one inch and ice accumulations of a light glaze. * WHERE...Portions of south central Texas. * WHEN...The Wind Chill Warning continues until noon CST today. The Winter Weather Advisory is valid from 6 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. Slow down and use caution while traveling. The latest road conditions for the state can be obtained at drivetexas.org. && $$ TXZ171>173-184>194-204>209-220>225-161800- /O.CON.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ /O.CON.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ Llano-Burnet-Williamson-Edwards-Real-Kerr-Bandera-Gillespie- Kendall-Blanco-Hays-Travis-Bastrop-Lee-Medina-Bexar-Comal- Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Karnes-Gonzales- De Witt-Lavaca- Including the cities of Llano, Burnet, Georgetown, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, and Hallettsville 456 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST THURSDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills of 5 above zero to 10 below zero are expected. Large amounts of black ice can be expected on roadway and concrete surfaces. For the Winter Storm Warning, freezing rain is expected Tuesday night into Wednesday morning, then a mix of snow, sleet, and freezing rain Wednesday night into early Thursday morning. Total snow accumulations of 1 to 2 inches and ice accumulations of around one tenth of an inch, locally up to one quarter inch are possible. * WHERE...Portions of south central Texas. * WHEN...The Wind Chill Warning continues through noon CST Tuesday. The Winter Storm Warning is valid from 6 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact travel. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state can be obtained at drivetexas.org. && $$
147 WWUS44 KEWX 161135 CCA WSWEWX URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service Austin/San Antonio TX 535 AM CST Tue Feb 16 2021 ...Dangerous Wind Chills this morning followed by two rounds of Winter Precipitation Tuesday night through early Thursday morning... .For this morning, record low temperatures in the single digits to lower teens combined with winds speeds up to 10 mph will result in dangerous wind chills of 5 above zero to as low as 10 below zero. This frigid cold has hardened any ice that became partially melted during the daytime and resulted numerous areas of black ice on roadway and concrete surfaces. Another storm system will bring two rounds of winter type precipitation tonight through early Thursday morning. The first round tonight into Wednesday morning will bring freezing rain. This will bring renewed accumulation of ice on roads, especially those that continue to have ice from earlier systems. Through Wednesday morning, expect additional ice accumulations of 1/10 inch over the warning areas with localized accumulations of 1/4 inch possible. The second round Wednesday night and Thursday morning will bring a mix of snow, sleet, and freezing rain with some additional light accumulations possible. TXZ183-202-203-217>219-228-161800- /O.CAN.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ /O.COR.KEWX.WW.Y.0004.210217T0000Z-210218T1200Z/ /O.COR.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ Val Verde-Kinney-Uvalde-Maverick-Zavala-Frio-Dimmit- Including the cities of Del Rio, Brackettville, Uvalde, Eagle Pass, Crystal City, Pearsall, and Carrizo Springs 535 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST THURSDAY... ...WINTER STORM WARNING IS CANCELLED AND REPLACED BY THE ADVISORY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills. Wind chills as low as 5 below zero. For the Winter Weather Advisory, mixed precipitation expected. For the Winter Weather Advisory light ice accumulations up to 5 hundredths of an inch. * WHERE...Portions of south central Texas. * WHEN...The Wind Chill Warning continues until noon CST today. The Winter Weather Advisory is valid from 6 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. Slow down and use caution while traveling. The latest road conditions for the state can be obtained at drivetexas.org. && $$ TXZ171>173-184>194-204>209-220>225-161800- /O.COR.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ /O.COR.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ Llano-Burnet-Williamson-Edwards-Real-Kerr-Bandera-Gillespie- Kendall-Blanco-Hays-Travis-Bastrop-Lee-Medina-Bexar-Comal- Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Karnes-Gonzales- De Witt-Lavaca- Including the cities of Llano, Burnet, Georgetown, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, and Hallettsville 535 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST THURSDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills of 5 above zero to 10 below zero are expected. Large amounts of black ice can be expected on roadway and concrete surfaces. For the Winter Storm Warning, freezing rain is expected Tuesday night into Wednesday morning, then a mix of snow, sleet, and freezing rain Wednesday night into early Thursday morning. Additional ice accumulation totals of one tenth to one quarter inch through Wednesday, with additional light ice and snow accumulations possible Wednesday night and Thursday morning. * WHERE...Portions of south central Texas. * WHEN...The Wind Chill Warning continues through noon CST Tuesday. The Winter Storm Warning is valid from 6 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact travel. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state can be obtained at drivetexas.org. && $$
109 WWUS44 KEWX 161806 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1206 PM CST Tue Feb 16 2021 ...Two rounds of Winter Precipitation tonight through early Thursday morning... .The Wind Chill Warning will expire at noon today. The frigid cold that remains in place has hardened any ice that became partially melted during the daytime yesterday and resulted numerous areas of black ice on roadway and concrete surfaces. Another storm system will bring two rounds of winter type precipitation tonight through early Thursday morning. The first round tonight into Wednesday morning will bring freezing rain. This will bring renewed accumulation of ice on roads, especially those that continue to have ice from earlier systems. Through Wednesday morning, expect additional ice accumulations of 1/10 inch over the warning areas with localized accumulations of 1/4 inch possible especially across northern and eastern areas. The second round Wednesday night and Thursday morning will bring a mix of snow, sleet, and freezing rain with some additional light accumulations possible. TXZ171>173-184>194-204>209-220>225-170300- /O.EXP.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ /O.CON.KEWX.WS.W.0004.210217T0000Z-210218T1200Z/ Llano-Burnet-Williamson-Edwards-Real-Kerr-Bandera-Gillespie- Kendall-Blanco-Hays-Travis-Bastrop-Lee-Medina-Bexar-Comal- Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Karnes-Gonzales- De Witt-Lavaca- Including the cities of Llano, Burnet, Georgetown, Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco, San Marcos, Austin, Bastrop, Giddings, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, La Grange, Pleasanton, Floresville, Karnes City, Gonzales, Cuero, and Hallettsville 1206 PM CST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST THURSDAY... ...WIND CHILL WARNING HAS EXPIRED... * WHAT...Significant icing expected. Total ice accumulations of up to two tenths of an inch. * WHERE...Portions of south central Texas. * WHEN...The Winter Storm Warning is valid from 6 PM this evening to 6 AM CST Thursday. * IMPACTS...Difficult travel conditions are possible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages. The latest road conditions for the state can be obtained at drivetexas.org. && $$ TXZ183-202-203-217>219-228-170300- /O.EXP.KEWX.WC.W.0002.000000T0000Z-210216T1800Z/ /O.CON.KEWX.WW.Y.0004.210217T0000Z-210218T1200Z/ Val Verde-Kinney-Uvalde-Maverick-Zavala-Frio-Dimmit- Including the cities of Del Rio, Brackettville, Uvalde, Eagle Pass, Crystal City, Pearsall, and Carrizo Springs 1206 PM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST THURSDAY... ...WIND CHILL WARNING HAS EXPIRED... * WHAT...Mixed precipitation expected. Total snow accumulations of up to one inch and ice accumulations of a light glaze. * WHERE...Portions of south central Texas. * WHEN...The Winter Weather Advisory is valid from 6 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state can be obtained at drivetexas.org. && $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 2:40 PM CST | Winter Storm Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 3 days |
| Feb 15, 2:44 PM CST | Hard Freeze Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 21 hr |
Nearby
Wind Chill Warnings in Texas, 2021Every wind chill warning in 2021
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.