Alert archive / Texas / Freeze Warnings in 2021
Freeze Warning 6, NWS Brownsville, TX
NWS Brownsville, TX issued this freeze warning at Feb 19, 2021, 4:09 AM CST for 8 counties in Texas. It took effect at Feb 20, 2021, 12:00 AM CST. It was in force for 8 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 19, 2021, 4:09 AM CST (10:09 UTC)
- In effect from
- Feb 20, 2021, 12:00 AM CST
- Expired
- Feb 20, 2021, 8:00 AM CST
- In force
- 8 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 00:00Z, 10.2 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
710 WWUS74 KBRO 191009 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX Issued by National Weather Service San Juan PR 409 AM CST Fri Feb 19 2021 TXZ248>255-351-353-191800- /O.NEW.KBRO.FZ.W.0006.210220T0600Z-210220T1400Z/ /O.CON.KBRO.HZ.W.0002.000000T0000Z-210219T1500Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland 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, and San Manuel 409 AM CST Fri Feb 19 2021 ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SATURDAY... * WHAT...For the Hard Freeze Warning, sub-freezing temperatures as low as 26. For the Freeze Warning, sub-freezing temperatures as low as 28 expected. * WHERE...Zapata, Jim Hogg, Brooks, Inland Kenedy, Starr, Southern Hidalgo, Inland Willacy, Inland Cameron, Coastal Kenedy and Northern Hidalgo Counties. * WHEN...For the Hard Freeze Warning, until 9 AM CST this morning. For the Freeze Warning, from midnight tonight to 8 AM CST Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ TXZ256-257-191500- /O.CON.KBRO.FZ.W.0005.000000T0000Z-210219T1500Z/ Coastal Willacy-Coastal Cameron- Including the cities of Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, and Laguna Vista 409 AM CST Fri Feb 19 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Sub-freezing temperatures between 28-32 degrees expected. * WHERE...Coastal Willacy and Coastal Cameron Counties. * WHEN...From midnight tonight to 9 AM CST Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
3 follow-up statements
888 WWUS74 KBRO 191717 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX Issued by National Weather Service San Juan PR 1117 AM CST Fri Feb 19 2021 TXZ248>255-351-353-200130- /O.CON.KBRO.FZ.W.0006.210220T0600Z-210220T1400Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland 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, and San Manuel 1117 AM CST Fri Feb 19 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SATURDAY... * WHAT...Sub-freezing temperatures between 28 and 32 degrees expected. * WHERE...Zapata, Jim Hogg, Brooks, Inland Kenedy, Starr, Southern Hidalgo, Inland Willacy, Inland Cameron, Coastal Kenedy and Northern Hidalgo Counties. * WHEN...From midnight tonight to 8 AM CST Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
203 WWUS74 KBRO 200136 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 736 PM CST Fri Feb 19 2021 TXZ248>255-351-353-201400- /O.CON.KBRO.FZ.W.0006.210220T0600Z-210220T1400Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland Cameron-Coastal Kenedy-Northern Hidalgo- Including the cities of Zapata, Hebbronville, Falfurrias, Sarita, Rio Grande City, Roma, McAllen, Edinburg, Pharr, Mission, Weslaco, Raymondville, Brownsville, Harlingen, and San Manuel 736 PM CST Fri Feb 19 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SATURDAY... * WHAT...Sub-freezing temperatures between 28 and 32 degrees expected. * WHERE...Zapata, Jim Hogg, Brooks, Inland Kenedy, Starr, Southern Hidalgo, Inland Willacy, Inland Cameron, Coastal Kenedy and Northern Hidalgo Counties. * WHEN...From midnight tonight to 8 AM CST Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ Mejia
543 WWUS74 KBRO 201401 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 801 AM CST Sat Feb 20 2021 TXZ248>255-351-353-201515- /O.EXP.KBRO.FZ.W.0006.000000T0000Z-210220T1400Z/ Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo- Inland Willacy-Inland 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, and San Manuel 801 AM CST Sat Feb 20 2021 ...FREEZE WARNING HAS EXPIRED... Temperatures continue to warm across Deep South Texas under abundant sunshine. A few localized spots in the northern Ranchlands will still see temperatures at or just below freezing but should warm up by 9 am.. $$
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.