Alert archive / Texas / Freeze Warnings in 2021
Freeze Warning 2, NWS Brownsville, TX
NWS Brownsville, TX issued this freeze warning at Feb 13, 2021, 2:56 PM CST for Brooks County, Jim Hogg County, Zapata County, Texas. It took effect at Feb 13, 2021, 9:00 PM CST. It was in force for 14 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 13, 2021, 2:56 PM CST (20:56 UTC)
- In effect from
- Feb 13, 2021, 9:00 PM CST
- Expired
- Feb 14, 2021, 11:00 AM CST
- In force
- 14 hr
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Jim Hogg County, TX, Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 144 km from the middle of the area, began a volume at 21:00 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, 8.9 hours before the alert went out and 155 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 464 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
851 WWUS74 KBRO 132056 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 256 PM CST Sat Feb 13 2021 TXZ251-132200- /O.CAN.KBRO.FZ.A.0001.210214T0800Z-210214T1500Z/ Inland Kenedy- Including the city of Sarita 256 PM CST Sat Feb 13 2021 ...FREEZE WATCH IS CANCELLED... Temperatures will remain just above freezing tonight across Kenedy county. $$ TXZ248>250-140500- /O.UPG.KBRO.FZ.A.0001.210214T0800Z-210214T1500Z/ /O.NEW.KBRO.FZ.W.0002.210214T0300Z-210214T1500Z/ Zapata-Jim Hogg-Brooks- Including the cities of Zapata, Hebbronville, and Falfurrias 256 PM CST Sat Feb 13 2021 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CST SUNDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Zapata, Jim Hogg and Brooks Counties. * WHEN...From 9 PM this evening to 9 AM CST Sunday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. Use space heaters safely. Never plug space heaters into extension cords or power strips. Always clear 3 feet of space around the heater at all times. && $$
4 follow-up statements
072 WWUS74 KBRO 140551 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 1151 PM CST Sat Feb 13 2021 TXZ248>250-141500- /O.CON.KBRO.FZ.W.0002.000000T0000Z-210214T1500Z/ Zapata-Jim Hogg-Brooks- Including the cities of Zapata, Hebbronville, and Falfurrias 1151 PM CST Sat Feb 13 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST SUNDAY... * WHAT...Sub-freezing temperatures as low as 30 degrees expected. * WHERE...Brooks, Zapata and Jim Hogg Counties. * WHEN...Until 9 AM CST Sunday. * 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. && $$ 56
062 WWUS74 KBRO 140956 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 356 AM CST Sun Feb 14 2021 TXZ248>250-141500- /O.CON.KBRO.FZ.W.0002.000000T0000Z-210214T1500Z/ Zapata-Jim Hogg-Brooks- Including the cities of Zapata, Hebbronville, and Falfurrias 356 AM CST Sun Feb 14 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 degrees expected. * WHERE...Zapata, Jim Hogg and Brooks Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ TXZ256-257-351-141815- /O.NEW.KBRO.WI.Y.0003.210215T0000Z-210215T2100Z/ Coastal Willacy-Coastal Cameron-Coastal Kenedy- Including the cities of Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, and Laguna Vista 356 AM CST Sun Feb 14 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts 35 to 45 mph expected. * WHERE...Coastal Willacy, Coastal Cameron and Coastal Kenedy Counties. * WHEN...From 6 PM this evening to 3 PM CST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds combined with falling temperatures will create dangerous wind chill values this evening through tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. As the temperature falls this evening through tonight, limit exposure to the elements as much as possible. && $$ Hallman
341 WWUS74 KBRO 141448 NPWBRO URGENT - WEATHER MESSAGE National Weather Service Brownsville TX 848 AM CST Sun Feb 14 2021 TXZ248>250-141700- /O.EXT.KBRO.FZ.W.0002.000000T0000Z-210214T1700Z/ Zapata-Jim Hogg-Brooks- Including the cities of Zapata, Hebbronville, and Falfurrias 848 AM CST Sun Feb 14 2021 ...FREEZE WARNING NOW IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 33. * WHERE...Zapata, Jim Hogg and Brooks Counties. * WHEN...Until 11 AM CST this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ TXZ256-257-351-142300- /O.CON.KBRO.WI.Y.0003.210215T0000Z-210215T2100Z/ Coastal Willacy-Coastal Cameron-Coastal Kenedy- Including the cities of Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, and Laguna Vista 848 AM CST Sun Feb 14 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Kenedy, Coastal Cameron and Coastal Willacy Counties. * WHEN...From 6 PM this evening to 3 PM CST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds combined with falling temperatures will create dangerous wind chill values this evening through tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. As the temperature falls this evening through tonight, limit exposure to the elements as much as possible. && $$
107 WWUS74 KBRO 141656 AAA NPWBRO URGENT - WEATHER MESSAGE...UPDATED National Weather Service Brownsville TX 1056 AM CST Sun Feb 14 2021 TXZ248>250-141800- /O.EXP.KBRO.FZ.W.0002.000000T0000Z-210214T1700Z/ Zapata-Jim Hogg-Brooks- Including the cities of Zapata, Hebbronville, and Falfurrias 1056 AM CST Sun Feb 14 2021 ...FREEZE WARNING WILL EXPIRE AT 11 AM CST THIS MORNING... Temperatures have risen just above freezing. $$ TXZ256-257-351-150100- /O.CON.KBRO.WI.Y.0003.210215T0000Z-210215T2100Z/ Coastal Willacy-Coastal Cameron-Coastal Kenedy- Including the cities of Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, and Laguna Vista 1056 AM CST Sun Feb 14 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Kenedy, Coastal Cameron and Coastal Willacy Counties. * WHEN...From 6 PM this evening to 3 PM CST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds combined with falling temperatures will create dangerous wind chill values this evening through tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 13, 4:50 AM CST | Wind Chill Advisory | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 13 hr |
| Feb 13, 4:50 AM CST | Winter Storm Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 24 hr |
| Feb 13, 2:18 PM CST | Gale Watch | BRO | 13 hr | |
| Feb 13, 3:18 PM CST | Wind Chill Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 13 hr |
| Feb 13, 3:18 PM CST | Winter Weather Advisory | BRO | Brooks, Jim Hogg, Zapata | 20 hr |
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; radar from the NEXRAD Level II archive.