Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 9, NWS Brownsville, TX

April 9, 2021Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Apr 9, 2021, 3:49 AM CDT for Cameron County, Willacy County, Texas. It took effect at Apr 9, 2021, 9:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 2021, 3:49 AM CDT (08:49 UTC)
In effect from
Apr 9, 2021, 9:00 AM CDT
Expired
Apr 9, 2021, 6:00 PM CDT
In force
9 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 08:52 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 00:00Z, 8.8 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 00:00Z on 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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 00:00Z on 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 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
134 J/kg
Mixed-layer CIN
-589 J/kg
Mixed-layer LCL
1843 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

093 
WWUS74 KBRO 090849
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
349 AM CDT Fri Apr 9 2021

TXZ254-255-092000-
/O.NEW.KBRO.WI.Y.0009.210409T1400Z-210409T2300Z/
Inland Willacy-Inland Cameron-
Including the cities of Raymondville, Brownsville, and Harlingen
349 AM CDT Fri Apr 9 2021

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CDT
THIS EVENING...

* WHAT...South winds 25 to 35 mph with gusts up to 40 mph 
  expected.

* WHERE...Inland Willacy and Inland Cameron Counties.

* WHEN...From 9 AM this morning to 6 PM CDT 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.

&&

$$

TXZ256-257-351-091400-
/O.EXT.KBRO.FG.Y.0013.000000T0000Z-210409T1400Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
Including the cities of Port Mansfield, Port Isabel, 
South Padre Island, Laguna Heights, and Laguna Vista
349 AM CDT Fri Apr 9 2021

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* WHAT...Visibility less than one quarter mile in dense fog.

* WHERE...Coastal Willacy, Coastal Kenedy and Coastal Cameron 
  Counties.

* WHEN...Until 9 AM CDT this morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

Mejia
3 follow-up statements
291 
WWUS74 KBRO 091101
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
601 AM CDT Fri Apr 9 2021

TXZ256-257-351-091215-
/O.CAN.KBRO.FG.Y.0013.000000T0000Z-210409T1400Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
Including the cities of Port Mansfield, Port Isabel, 
South Padre Island, Laguna Heights, and Laguna Vista
601 AM CDT Fri Apr 9 2021

...DENSE FOG ADVISORY IS CANCELLED...

Visibilities have improved along the coast. 

$$

TXZ254-255-092000-
/O.CON.KBRO.WI.Y.0009.210409T1400Z-210409T2300Z/
Inland Willacy-Inland Cameron-
Including the cities of Raymondville, Brownsville, and Harlingen
601 AM CDT Fri Apr 9 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM
CDT THIS EVENING...

* WHAT...South winds 25 to 35 mph with gusts up to 40 mph 
  expected.

* WHERE...Inland Cameron and Inland Willacy Counties.

* WHEN...From 9 AM this morning to 6 PM CDT 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.

&&

$$

Mejia
709 
WWUS74 KBRO 091510
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
1010 AM CDT Fri Apr 9 2021

TXZ254-255-092300-
/O.CON.KBRO.WI.Y.0009.000000T0000Z-210409T2300Z/
Inland Willacy-Inland Cameron-
Including the cities of Raymondville, Brownsville, and Harlingen
1010 AM CDT Fri Apr 9 2021

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

* WHAT...South winds 25 to 35 mph with gusts up to 40 mph 
  expected.

* WHERE...Inland Cameron and Inland Willacy Counties.

* WHEN...From 9 AM this morning to 6 PM CDT 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.

&&

$$

Speece
786 
WWUS74 KBRO 092308
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
608 PM CDT Fri Apr 9 2021

TXZ254-255-100015-
/O.EXP.KBRO.WI.Y.0009.000000T0000Z-210409T2300Z/
Inland Willacy-Inland Cameron-
Including the cities of Raymondville, Brownsville, and Harlingen
608 PM CDT Fri Apr 9 2021

...WIND ADVISORY HAS EXPIRED...

Surface observations within the inland portions of Cameron County
and Willacy County indicate that winds have diminished below the
Wind Advisory threshold. As a result, the advisory has been allowed
to expire. 

$$

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 2:02 PM CDTSmall Craft AdvisoryBRO7 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.