Alert archive / Texas / Winter Storm Warnings in 2021
Winter Storm Warning 3, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this winter storm warning at Feb 18, 2021, 10:49 AM CST for La Salle County, McMullen County, Texas. It was in force for 7 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 18, 2021, 10:49 AM CST (16:49 UTC)
- Expired
- Feb 18, 2021, 6:00 PM CST
- In force
- 7 hr
- Issued by
- NWS Corpus Christi, TX
Counties La Salle County, TX, McMullen County, TX
The radar
The Corpus Christi radar (KCRP), 144 km from the middle of the area, began a volume at 16:48 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
Corpus Christi, TX (KCRP), launched 12:00Z, 4.8 hours before the alert went out and 162 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
- 4 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 398 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
591 WWUS44 KCRP 181649 WSWCRP URGENT - WINTER WEATHER MESSAGE National Weather Service Corpus Christi TX 1049 AM CST Thu Feb 18 2021 ...WINTRY MIX EARLY THIS MORNING CHANGING TO MOSTLY SNOW BY MID MORNING... .Precipitation has changed to mostly snow this morning as a slow moving upper-level disturbance aloft moves across the area. Light to moderate accumulations of snow and light accumulation of ice are expected before this activity tapers off late afternoon. In addition, wind chills are expected to range between 15 to 25 degrees, starting across the Coastal Plains and eastern Brush Country early this morning, and then across the western Brush Country Thursday around sunrise. TXZ229-230-190000- /O.UPG.KCRP.WW.Y.0003.000000T0000Z-210219T0000Z/ /O.NEW.KCRP.WS.W.0003.210218T1649Z-210219T0000Z/ /O.CON.KCRP.WC.Y.0003.000000T0000Z-210218T1800Z/ La Salle-McMullen- Including the cities of Cotulla, Calliham, Cross, Loma Alta, and Tilden 1049 AM CST Thu Feb 18 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...For the Winter Storm Warning, moderate snow. Additional snow accumulations of up to one inch. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 20 degrees. * WHERE...La Salle and McMullen. * WHEN...For the Winter Storm Warning, until 6 PM CST this evening. For the Wind Chill Advisory, until noon CST today. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TXZ231>234-190000- /O.CON.KCRP.WC.Y.0003.000000T0000Z-210218T1800Z/ /O.CON.KCRP.WW.Y.0003.000000T0000Z-210219T0000Z/ Live Oak-Bee-Goliad-Victoria- Including the cities of George West, Three Rivers, Beeville, Goliad, and Victoria 1049 AM CST Thu Feb 18 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...For the Winter Weather Advisory,freezing rain and sleet changing to snow is expected. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 20 degrees. * WHERE...Victoria, Goliad, Bee and Live Oak. * WHEN...For the Winter Weather Advisory, until 6 PM CST this evening. For the Wind Chill Advisory, until noon CST today. * IMPACTS...The hazardous conditions could impact the evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TXZ239>247-342>344-346-347-181800- /O.CON.KCRP.WC.Y.0003.000000T0000Z-210218T1800Z/ Webb-Duval-Jim Wells-Inland Kleberg-Inland Nueces- Inland San Patricio-Coastal Aransas-Inland Refugio-Inland Calhoun- Coastal Kleberg-Coastal Nueces-Coastal San Patricio- Coastal Refugio-Coastal Calhoun- Including the cities of Aguilares, Columbia Bridge, Laredo, Orvil, Freer, Benavides, San Diego, Alice, Orange Grove, Kingsville, Loyola Beach, Ricardo, Riviera, Robstown, Tuloso, Bishop, Sinton, Mathis, Taft, Odem, Rockport, Fulton, Refugio, McFaddin, Woodsboro, Kamay, Corpus Christi, Flour Bluff, Portland, Ingleside, Bayside, Austwell, Magnolia Beach, and Port Lavaca 1049 AM CST Thu Feb 18 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Very cold wind chills. Wind chills as low as 20 degrees. * WHERE...Portions of south Texas. * WHEN...Until noon CST today. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ JCP
1 follow-up statement
643 WWUS44 KCRP 182200 WSWCRP URGENT - WINTER WEATHER MESSAGE National Weather Service Corpus Christi TX 400 PM CST Thu Feb 18 2021 ...WINTRY MIX EARLY THIS MORNING CHANGING TO MOSTLY SNOW BY MID MORNING... .Light snow will remain possible across La Salle and McMullen Counties as the upper level disturbance moves out of the area. Remaining counties within the warning could still see a light wintry mix. In addition, wind chills are expected to range between 15 to 25 degrees from Jim Wells and Bee through the Victoria Crossroads including the barrier islands until tomorrow morning. TXZ231>234-190600- /O.NEW.KCRP.WC.W.0002.210219T0900Z-210219T1300Z/ /O.CON.KCRP.WW.Y.0003.000000T0000Z-210219T0000Z/ Live Oak-Bee-Goliad-Victoria- Including the cities of George West, Three Rivers, Beeville, Goliad, and Victoria 400 PM CST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...WIND CHILL WARNING IN EFFECT FROM 3 AM TO 7 AM CST FRIDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills expected. Wind chills as low as 10 above zero. For the Winter Weather Advisory, a light wintry mix possible elsewhere. * WHERE...Live Oak, Bee, Goliad and Victoria. * WHEN...For the Wind Chill Warning, from 3 AM to 7 AM CST Friday. For the Winter Weather Advisory, until 6 PM CST this evening. * IMPACTS...The hazardous conditions could impact the morning or evening commute. The dangerously cold wind chills could result in hypothermia or frostbite if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TXZ241>247-342>347-442-443-447-190600- /O.NEW.KCRP.WC.W.0002.210219T0900Z-210219T1300Z/ Jim Wells-Inland Kleberg-Inland Nueces-Inland San Patricio- Coastal Aransas-Inland Refugio-Inland Calhoun-Coastal Kleberg- Coastal Nueces-Coastal San Patricio-Aransas Islands- Coastal Refugio-Coastal Calhoun-Kleberg Islands-Nueces Islands- Calhoun Islands- Including the cities of Alice, Orange Grove, Kingsville, Loyola Beach, Ricardo, Riviera, Robstown, Tuloso, Bishop, Sinton, Mathis, Taft, Odem, Rockport, Fulton, Refugio, McFaddin, Woodsboro, Kamay, Corpus Christi, Flour Bluff, Portland, Ingleside, Bayside, Austwell, Magnolia Beach, and Port Lavaca 400 PM CST Thu Feb 18 2021 ...WIND CHILL WARNING IN EFFECT FROM 3 AM TO 7 AM CST FRIDAY... * WHAT...Dangerously cold wind chills expected. Wind chills as low as 10 above zero. * WHERE...Portions of south Texas. * WHEN...From 3 AM to 7 AM CST Friday. * IMPACTS...The dangerously cold wind chills could result in hypothermia or frostbite 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. && $$ TXZ229-230-190000- /O.CON.KCRP.WS.W.0003.000000T0000Z-210219T0000Z/ La Salle-McMullen- Including the cities of Cotulla, Calliham, Cross, Loma Alta, and Tilden 400 PM CST Thu Feb 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Light snow. Additional snow accumulations of up to one inch. * WHERE...La Salle and McMullen. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. The cold wind chills as low as 25 degrees could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ JCP
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 7:35 PM CST | Wind Chill Advisory | CRP | Aransas, Bee, Calhoun, Duval, Goliad, Jim Wells and 9 more | 16 hr |
| Feb 18, 3:52 PM CST | Freeze Warning | CRP | Aransas, Bee, Calhoun, Duval, Goliad, Jim Wells and 9 more | 19 hr |
| Feb 18, 4:00 PM CST | Wind Chill Warning | CRP | Aransas, Bee, Calhoun, Goliad, Jim Wells, Kleberg and 5 more | 17 hr |
Nearby
Winter Storm Warnings in Texas, 2021Every winter storm 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.