Alert archive / Texas / Wind Chill Warnings in 2021
Wind Chill Warning 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind chill warning at Feb 14, 2021, 1:01 PM CST for 33 counties in Texas. It took effect at Feb 14, 2021, 6:00 PM CST. It was in force for 18 hr. 60 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
- Feb 14, 2021, 1:01 PM CST (19:01 UTC)
- In effect from
- Feb 14, 2021, 6:00 PM CST
- Expired
- Feb 15, 2021, 12:00 PM CST
- In force
- 18 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 18:59 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 |
|---|---|---|---|
| Feb 14, 6:24 PM CST | SNOW 0.1 | 3 Nnw Austin, TX | 0.1 INCHES OF SNOW AT AUSTIN CAMP MABRY. |
| Feb 14, 6:36 PM CST | FREEZING RAIN 0.13 | 5 Nw Geronimo, TX | 1/8 INCH OF ICE AT THE NWS OFFICE IN NEW BRAUNFELS. |
| Feb 14, 8:17 PM CST | SNOW 2 | Burnet, TX | CO-OP OBSERVER IN BURNET IS REPORTING TWO INCHES OF SNOW SO FAR. |
| Feb 14, 8:46 PM CST | HEAVY SNOW 0.5 | 3 Nw Elm Creek, TX | A SPOTTER REPORTED NEAR WHITE OUT CONDITIONS ON HWY 277 BETWEEN EAGLE PASS AND RADAR BASE. |
| Feb 14, 8:55 PM CST | SNOW 0.5 | 1 Ese Eagle Pass, TX | PICTURE ON TWITTER OF 0.5 IN. OF SNOW IN EAGLE PASS. |
| Feb 14, 8:58 PM CST | SNOW 1 | Brackettville, TX | |
| Feb 14, 10:12 PM CST | FREEZING RAIN 0.1 | Cuero, TX | CORRECTS PREVIOUS FREEZING RAIN REPORT FROM CUERO. ALL ROADS IN CUERO HAVE ICE. |
| Feb 14, 10:18 PM CST | SNOW 1 | Sabinal, TX | |
| Feb 14, 10:20 PM CST | FREEZING RAIN 0.1 | 2 Ese Helotes, TX | AMATEUR RADIO REPORTS 0.10 INCHES OF ICE NEAR LOOP 1604 AND BANDERA RD. IN HELOTES. |
| Feb 14, 10:24 PM CST | FREEZING RAIN 0.1 | 1 Nne Del Rio, TX | MULTIPLE ACCIDENTS INCLUDING ONE ROLL OVER DUE TO ICY ROADS IN DEL RIO. NO INJURIES REPORTED. |
| Feb 14, 10:58 PM CST | SNOW 3 | Sabinal, TX | |
| Feb 14, 11:24 PM CST | SNOW 0.1 | 3 Ssw Kyle, TX | THUNDERSNOW HEARD ALONG WITH MULTIPLE REPORTS ON SOCIAL MEDIA OF THUNDERSNOW AROUND THE KYLE AREA. |
| Feb 14, 11:30 PM CST | SNOW 1.5 | 2 Nw Helotes, TX | 1.5 INCHES FELL WITHIN 75 MINUTES. |
| Feb 15, 12:24 AM CST | SNOW 1.3 | 7 Nne New Braunfels, TX | |
| Feb 15, 12:27 AM CST | SNOW 1.5 | West Lake Hills, TX | |
| Feb 15, 12:27 AM CST | SNOW 5 | Sabinal, TX | |
| Feb 15, 12:31 AM CST | SNOW 2 | 3 Ne Shavano Park, TX | MULTIPLE PUBLIC REPORTS ON SOCIAL MEDIA FROM NORTH SAN ANTONIO OF 2 INCHES OF SNOW. |
| Feb 15, 12:54 AM CST | SNOW 3 | 2 Sw Shavano Park, TX | |
| Feb 15, 12:57 AM CST | SNOW 4 | Manor, TX | |
| Feb 15, 1:00 AM CST | SNOW 6 | Hondo, TX | |
| Feb 15, 1:03 AM CST | SNOW 2.5 | 5 Nw Geronimo, TX | MEASURED AT WFO EWX. |
| Feb 15, 1:11 AM CST | SNOW 2.8 | 3 N Hollywood Park, TX | 2.75 INCHES IN THE STONE OAK AREA. |
| Feb 15, 1:13 AM CST | SNOW 3 | 1 Ssw Round Rock, TX | |
| Feb 15, 1:14 AM CST | SNOW 2.5 | Mansfield Dam, TX | |
| Feb 15, 1:16 AM CST | SNOW 2.5 | Schertz, TX | |
| Feb 15, 1:24 AM CST | SNOW 2.5 | 4 W Fredericksburg, TX | |
| Feb 15, 1:33 AM CST | SNOW 5 | 2 Nnw Helotes, TX | |
| Feb 15, 1:39 AM CST | SNOW 3 | 8 Wsw San Marcos, TX | |
| Feb 15, 2:04 AM CST | SNOW 5 | 4 Ne Austin, TX | |
| Feb 15, 2:06 AM CST | SNOW 4.4 | 3 Ssw Jollyville, TX | |
| Feb 15, 2:20 AM CST | SNOW 5 | 5 N Austin, TX | |
| Feb 15, 2:28 AM CST | SNOW 4 | 3 N Hollywood Park, TX | |
| Feb 15, 2:30 AM CST | SNOW 4.5 | 2 Wnw Castle Hills, TX | |
| Feb 15, 2:40 AM CST | SNOW 4.5 | 3 Sse Bulverde, TX | |
| Feb 15, 3:13 AM CST | SNOW 4.5 | 5 Nne Hill Country Stat, TX | |
| Feb 15, 3:31 AM CST | SNOW 4.5 | 7 Nne New Braunfels, TX | STORM TOTAL 4.5 INCHES. |
| Feb 15, 3:35 AM CST | SNOW 5 | 5 Nw Geronimo, TX | STORM TOTAL AT WFO EWX IS 5 INCHES. |
| Feb 15, 5:00 AM CST | SNOW 7 | Round Rock, TX | 7 INCHES OF SNOW MEASURED ON TABLE IN ROUND ROCK. |
| Feb 15, 6:00 AM CST | SNOW 1.7 | 3 Nne Meyersville, TX | |
| Feb 15, 6:00 AM CST | SNOW 3 | 3 N Kingsland, TX | |
| Feb 15, 6:00 AM CST | SNOW 4 | 1 N China Grove, TX | |
| Feb 15, 6:30 AM CST | SNOW 1 | Dilley, TX | |
| Feb 15, 7:00 AM CST | SNOW 1 | 2 Nnw Hallettsville, TX | |
| Feb 15, 7:00 AM CST | SNOW 1.2 | 8 N Hallettsville, TX | |
| Feb 15, 7:00 AM CST | SNOW 1.3 | 2 Ssw Carrizo Springs, TX | |
| Feb 15, 7:00 AM CST | SNOW 2 | 4 E Circle D-Kc Estate, TX | |
| Feb 15, 7:00 AM CST | SNOW 2.5 | Comfort, TX | |
| Feb 15, 7:00 AM CST | SNOW 3 | 1 Nne Geronimo, TX | |
| Feb 15, 7:00 AM CST | SNOW 3 | 1 Ssw Seguin, TX | |
| Feb 15, 7:00 AM CST | SNOW 3 | 3 Ene Calaveras Lake, TX | |
| Feb 15, 7:00 AM CST | SNOW 3 | 3 Ene Utopia, TX | |
| Feb 15, 7:00 AM CST | SNOW 3 | Medina, TX | |
| Feb 15, 7:00 AM CST | SNOW 3.3 | Burnet, TX | |
| Feb 15, 7:00 AM CST | SNOW 3.4 | Ingram, TX | |
| Feb 15, 7:00 AM CST | SNOW 3.5 | 2 N Cheapside, TX | |
| Feb 15, 7:00 AM CST | SNOW 3.5 | 2 Ne Bertram, TX | |
| Feb 15, 7:00 AM CST | SNOW 3.7 | 6 Nnw Bergheim, TX | |
| Feb 15, 7:00 AM CST | SNOW 4 | 1 Wnw Mcdade, TX | |
| Feb 15, 7:00 AM CST | SNOW 4 | 3 S Tarpley, TX | |
| Feb 15, 7:00 AM CST | SNOW 4 | 3 W Pipe Creek, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 7.0 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 426 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
395 WWUS44 KEWX 141901 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 101 PM CST Sun Feb 14 2021 ...MAJOR WINTER STORM TO IMPACT THE REGION THROUGH MONDAY MORNING... .Bitterly cold air and wintry precipitation in the form of freezing rain, sleet, and snow will impact the region today through Monday morning. The system could lead to major stress on the region's infrastructure as well as cripple travel. The coldest temperatures since 1989 will impact the region. Wind chill indices could fall to between 15 below zero to near zero late tonight. TXZ171>173-183>194-202>209-217>225-228-150600- /O.UPG.KEWX.WC.Y.0001.210215T0300Z-210215T1800Z/ /O.NEW.KEWX.WC.W.0001.210215T0000Z-210215T1800Z/ /O.CON.KEWX.WS.W.0003.000000T0000Z-210215T1800Z/ 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 101 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST MONDAY... ...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON CST MONDAY... * WHAT...For the Winter Storm Warning, heavy mixed precipitation. Additional snow accumulations of 1 to 4 inches with isolated totals up to 6 inches and ice accumulations of around one tenth of an inch. The heaviest snow accumulations are expected north of a Rocksprings to San Antonio to Schulenburg line. Winds gusting as high as 35 mph. For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 15 below zero. * WHERE...South Central Texas. * WHEN...For the Winter Storm Warning, until noon CST Monday. For the Wind Chill Warning, from 6 PM this evening to noon CST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. The cold wind chills could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Bitterly cold air will combine with gusty winds to produce wind wind chill values near zero degrees Monday morning. These values can lead to hypothermia for anyone stranded within the icy roads expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. The latest road conditions for the state can be obtained at drivetexas.org. && $$
2 follow-up statements
437 WWUS44 KEWX 150854 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 254 AM CST Mon Feb 15 2021 ...MAJOR WINTER STORM CONTINUES TO IMPACT THE REGION THIS MORNING... .Bitterly cold air and snow will impact the region this morning, and a coat of freezing rain and sleet accumulations from overnight will remain trapped beneath the layer of snow that continues to fall over the Coastal Prairies. The system could lead to major stress on the region's infrastructure as well as cripple travel. The coldest temperatures since 1989 will impact the region. Wind chill indices could fall to between 15 below zero to near zero early this morning. TXZ171>173-183>194-202>209-217>225-228-151800- /O.CON.KEWX.WC.W.0001.000000T0000Z-210215T1800Z/ /O.CON.KEWX.WS.W.0003.000000T0000Z-210215T1800Z/ 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 254 AM CST Mon Feb 15 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...For the Winter Storm Warning, snow accumulations of 3 to 5 inches with isolated totals up to 6 inches have occurred across much of South Central Texas, and ice accumulations of one to two tenths of an inch have occurred. Additional accumulations of mainly snow will continue over Coastal Plains in the early morning hours with precipitation chances expected to end after sunrise. Winds continue to gust up to near 30 mph. For the Wind Chill Warning, dangerously cold wind chills make the temperature feel as cold as 15 degrees below zero. * WHERE...South Central Texas. * WHEN...For the Winter Storm Warning, until noon CST Today. For the Wind Chill Warning, through noon CST Today. * IMPACTS...Nearly all of South Central Texas has received measurable amounts of ice and snow, so with the frigid temperatures in place, widespread icing issues can be expected on area roadways through this morning. The cold wind chills could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Bitterly cold air and wind chills that can lead to hypothermia for anyone stranded outdoors or on icy roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. The latest road conditions for the state can be obtained at drivetexas.org. && $$
390 WWUS44 KEWX 151821 WSWEWX URGENT - WINTER WEATHER MESSAGE National Weather Service Austin/San Antonio TX 1221 PM CST Mon Feb 15 2021 ...Very Cold Temperatures and Wind Chills as well as ice and snow covered roads continued across South Central Texas... .All winter type precipitation has ended. However, roads will continue to be ice and snow covered for the remainder of the day into at least Tuesday. Winds have been slowly decreasing and temperatures have been slowly rising. As a result, wind chills have been slowly rising, as well. However, there may be a few spots with wind chills this afternoon into tonight. TXZ171>173-183>194-202>209-217>225-228-151930- /O.EXP.KEWX.WC.W.0001.000000T0000Z-210215T1800Z/ /O.EXP.KEWX.WS.W.0003.000000T0000Z-210215T1800Z/ 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 1221 PM CST Mon Feb 15 2021 ...WIND CHILL WARNING HAS EXPIRED... ...WINTER STORM WARNING HAS EXPIRED... All winter type precipitation has ended. However, roads will continue to be ice and snow covered for the remainder of the day into at least Tuesday. Winds have been slowly decreasing and temperatures have been slowly rising. As a result, wind chills have been slowly rising, as well. However, there may be a few isolated spots with wind chills this afternoon into tonight. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 3:47 AM CST | Wind Chill Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 9 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.