Alert archive / Texas / Wind Chill Advisories in 2021
Wind Chill Advisory 4, NWS Brownsville, TX
NWS Brownsville, TX issued this wind chill advisory at Feb 18, 2021, 11:14 AM CST for 8 counties in Texas. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2021, 11:14 AM CST (17:14 UTC)
- Expired
- Feb 19, 2021, 12:00 PM CST
- In force
- 25 hr
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Jim Hogg County, TX, Kenedy County, TX, Starr County, TX, Willacy County, TX, Zapata County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 5.2 hours before the alert went out and 143 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.
014 WWUS44 KBRO 181714 WSWBRO URGENT - WINTER WEATHER MESSAGE National Weather Service Brownsville TX Issued by National Weather Service San Juan PR 1114 AM CST Thu Feb 18 2021 ...VERY COLD WIND CHILLS EXPECTED THROUGH FRIDAY MORNING... .The combination of high temperatures remaining in the upper 30s to middle 40s along with winds up to 20 mph, will create wind chills between the upper 20s to middle 30s through this evening. However, by overnight tonight into early Friday morning, temperatures are expected to drop below freezing across most of the area and with winds expected to remain around 10 mph, dangerous winds chills ranging between the middle teens to lower 20s are expected. TXZ248>257-351-353-190115- /O.NEW.KBRO.WC.Y.0004.210218T1714Z-210219T1800Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron- Coastal Kenedy-Northern Hidalgo- Including the cities of Zapata, Hebbronville, Falfurrias, Sarita, Rio Grande City, Roma, McAllen, Edinburg, Pharr, Mission, Weslaco, Raymondville, Brownsville, Harlingen, Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, Laguna Vista, and San Manuel 1114 AM CST Thu Feb 18 2021 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Winds chills are expected to range between the upper 20s to middle 30s through this evening and then from the middle teens to lower 20s overnight tonight into early Friday morning. * WHERE...All of Deep South Texas. * WHEN...Now to 12 PM CST Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. && $$
3 follow-up statements
973 WWUS44 KBRO 181721 WSWBRO URGENT - WINTER WEATHER MESSAGE National Weather Service Brownsville TX Issued by National Weather Service San Juan PR 1121 AM CST Thu Feb 18 2021 ...VERY COLD WIND CHILLS EXPECTED THROUGH FRIDAY MORNING... .The combination of high temperatures remaining in the upper 30s to middle 40s along with winds up to 20 mph, will create wind chills between the upper 20s to middle 30s through this evening. However, by overnight tonight into early Friday morning, temperatures are expected to drop below freezing across most of the area and with winds expected to remain around 10 mph, dangerous winds chills ranging between the middle teens to middle 20s are expected. TXZ248>257-351-353-190130- /O.CON.KBRO.WC.Y.0004.000000T0000Z-210219T1800Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron- Coastal Kenedy-Northern Hidalgo- Including the cities of Zapata, Hebbronville, Falfurrias, Sarita, Rio Grande City, Roma, McAllen, Edinburg, Pharr, Mission, Weslaco, Raymondville, Brownsville, Harlingen, Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, Laguna Vista, and San Manuel 1121 AM CST Thu Feb 18 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Winds chills are expected to range between the upper 20s to middle 30s through this evening and then from the middle teens to middle 20s overnight tonight into early Friday morning. * WHERE...Portions of Deep South Texas. * WHEN...Now to 12 PM Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. && $$
820 WWUS44 KBRO 182205 WSWBRO URGENT - WINTER WEATHER MESSAGE National Weather Service Brownsville TX Issued by National Weather Service San Juan PR 405 PM CST Thu Feb 18 2021 ...VERY COLD WIND CHILLS EXPECTED THROUGH FRIDAY MORNING... .The combination of high temperatures remaining in the upper 30s to middle 40s along with winds up to 20 mph, will create wind chills between the upper 20s to middle 30s through this evening. However, by overnight tonight into early Friday morning, temperatures are expected to drop below freezing across most of the area and with winds expected to remain around 10 mph, dangerous winds chills ranging between the middle teens to middle 20s are expected. TXZ248>257-351-353-190615- /O.CON.KBRO.WC.Y.0004.000000T0000Z-210219T1800Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron- Coastal Kenedy-Northern Hidalgo- Including the cities of Zapata, Hebbronville, Falfurrias, Sarita, Rio Grande City, Roma, McAllen, Edinburg, Pharr, Mission, Weslaco, Raymondville, Brownsville, Harlingen, Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, Laguna Vista, and San Manuel 405 PM CST Thu Feb 18 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 35 above zero to 21 above zero. * WHERE...Portions of Deep South Texas. * WHEN...Now to 12 PM Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. && $$
381 WWUS44 KBRO 191012 WSWBRO URGENT - WINTER WEATHER MESSAGE National Weather Service Brownsville TX Issued by National Weather Service San Juan PR 412 AM CST Fri Feb 19 2021 ...VERY COLD WIND CHILLS EXPECTED THROUGH THIS MORNING... Temperatures are expected to drop below freezing across most of the area and with winds expected to remain around 10 mph, dangerous winds chills ranging between the middle teens to middle 20s are expected early this morning. TXZ248>257-351-353-191800- /O.CON.KBRO.WC.Y.0004.000000T0000Z-210219T1800Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron- Coastal Kenedy-Northern Hidalgo- Including the cities of Zapata, Hebbronville, Falfurrias, Sarita, Rio Grande City, Roma, McAllen, Edinburg, Pharr, Mission, Weslaco, Raymondville, Brownsville, Harlingen, Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, Laguna Vista, and San Manuel 412 AM CST Fri Feb 19 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 15 above zero to 25 above zero. * WHERE...All of Deep South Texas. * WHEN...Now to 12 PM this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. && $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 11:14 AM CST | Freeze Warning | BRO | 22 hr | |
| Feb 18, 11:14 AM CST | Hard Freeze Warning | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 22 hr |
Nearby
Wind Chill Advisories in Texas, 2021Every wind chill advisory 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.