Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 19, NWS Brownsville, TX

December 31, 2021Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Dec 31, 2021, 11:58 AM CST for Cameron County, Willacy County, Texas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Dec 31, 2021, 11:58 AM CST (17:58 UTC)
Expired
Dec 31, 2021, 5:26 PM CST
In force
5 hr
Issued by
NWS Brownsville, TX

Counties Cameron County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 46 km from the middle of the area, began a volume at 18:01 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 6.0 hours before the alert went out and 48 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.

Skew-T log-pSkew-T log-p diagram, Brownsville Intl, TX at 12:00Z on 2021-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 728 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 12:00Z on 2021-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
728 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

835 
WWUS74 KBRO 311758
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
1158 AM CST Fri Dec 31 2021

TXZ254>257-010000-
/O.NEW.KBRO.WI.Y.0019.211231T1800Z-220101T0000Z/
Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron-
Including the cities of Raymondville, Brownsville, Harlingen, 
Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, 
and Laguna Vista
1158 AM CST Fri Dec 31 2021

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 40 mph 
  expected.

* WHERE...Willacy and Cameron Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Similar wind speeds and gusts will affect 
  portions of eastern Hidalgo County as well.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Mejia
2 follow-up statements
161 
WWUS74 KBRO 312007
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
207 PM CST Fri Dec 31 2021

TXZ254>257-010000-
/O.CON.KBRO.WI.Y.0019.000000T0000Z-220101T0000Z/
Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron-
Including the cities of Raymondville, Brownsville, Harlingen, 
Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, 
and Laguna Vista
207 PM CST Fri Dec 31 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 40 mph 
  expected.

* WHERE...Willacy and Cameron Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

TXZ249-250-011200-
/O.NEW.KBRO.FZ.A.0002.220103T0900Z-220103T1400Z/
Jim Hogg-Brooks-
Including the cities of Hebbronville and Falfurrias
207 PM CST Fri Dec 31 2021

...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...

* WHAT...Sub-freezing temperatures as low as 31 possible.

* WHERE...Jim Hogg and Brooks Counties.

* WHEN...From late Sunday night through Monday morning.

* IMPACTS...Frost and freeze conditions could 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.

&&

$$
647 
WWUS74 KBRO 312326
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
526 PM CST Fri Dec 31 2021

TXZ254>257-010030-
/O.CAN.KBRO.WI.Y.0019.000000T0000Z-220101T0000Z/
Inland Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron-
Including the cities of Raymondville, Brownsville, Harlingen, 
Port Mansfield, Port Isabel, South Padre Island, Laguna Heights, 
and Laguna Vista
526 PM CST Fri Dec 31 2021

...WIND ADVISORY IS CANCELLED...

Southerly wind speeds have tapered off a bit earlier than expected
late this afternoon. Since they are no longer meeting criteria, 
the Wind Advisory has been cancelled.

Occasionally gusty winds will continue well into the evening, so 
drivers of high-profile vehicles should continue to exercise 
caution.

$$

TXZ249-250-010730-
/O.CON.KBRO.FZ.A.0002.220103T0900Z-220103T1400Z/
Jim Hogg-Brooks-
Including the cities of Hebbronville and Falfurrias
526 PM CST Fri Dec 31 2021

...FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 31 possible.

* WHERE...Jim Hogg and Brooks Counties.

* WHEN...From late Sunday night through Monday morning.

* IMPACTS...Frost and freeze conditions could 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.

&&

$$

53

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 31, 3:00 AM CSTSmall Craft AdvisoryBRO39 hr

Nearby

Wind Advisories in Texas, 2021Every wind 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; radar from the NEXRAD Level II archive.