Alert archive / Texas / Wind Advisories in 2020

Wind Advisory 9, NWS Brownsville, TX

March 4, 2020Jim Hogg County, Starr County, Zapata County, Texas

NWS Brownsville, TX issued this wind advisory at Mar 4, 2020, 3:02 AM CST for Jim Hogg County, Starr County, Zapata County, Texas. It took effect at Mar 4, 2020, 8:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 4, 2020, 3:02 AM CST (09:02 UTC)
In effect from
Mar 4, 2020, 8:00 AM CST
Expired
Mar 4, 2020, 4:00 PM CST
In force
8 hr
Issued by
NWS Brownsville, TX

Counties Jim Hogg County, TX, Starr County, TX, Zapata County, TX

The radar

The Corpus Christi radar (KCRP), 168 km from the middle of the area, began a volume at 09:01 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

Corpus Christi, TX (KCRP), launched 00:00Z, 9.0 hours before the alert went out and 179 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, Corpus Christi, TX at 00:00Z on 2020-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 346 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, Corpus Christi, TX at 00:00Z on 2020-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939587897117Sfc1 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
346 J/kg
Mixed-layer CIN
-409 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

539 
WWUS74 KBRO 040902
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
302 AM CST Wed Mar 4 2020

TXZ248-249-252-041800-
/O.NEW.KBRO.WI.Y.0009.200304T1400Z-200304T2200Z/
Zapata-Jim Hogg-Starr-
Including the cities of Zapata, Hebbronville, Rio Grande City, 
and Roma
302 AM CST Wed Mar 4 2020

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph 
  expected.

* WHERE...Zapata, Jim Hogg and Starr Counties.

* WHEN...From 8 AM this morning to 4 PM CST this afternoon.

* 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.

&&

$$

TOMASELLI
2 follow-up statements
840 
WWUS74 KBRO 041757
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
1157 AM CST Wed Mar 4 2020

TXZ248-249-252-042200-
/O.CON.KBRO.WI.Y.0009.000000T0000Z-200304T2200Z/
Zapata-Jim Hogg-Starr-
Including the cities of Zapata, Hebbronville, Rio Grande City, 
and Roma
1157 AM CST Wed Mar 4 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph 
  expected.

* WHERE...Zapata, Jim Hogg and Starr Counties.

* WHEN...From 8 AM this morning to 4 PM CST this afternoon.

* 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.

&&

$$
779 
WWUS74 KBRO 042214
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
414 PM CST Wed Mar 4 2020

TXZ248-249-252-042315-
/O.EXP.KBRO.WI.Y.0009.000000T0000Z-200304T2200Z/
Zapata-Jim Hogg-Starr-
Including the cities of Zapata, Hebbronville, Rio Grande City, 
and Roma
414 PM CST Wed Mar 4 2020

...WIND ADVISORY HAS EXPIRED...

Winds across western portions of Deep South Texas have diminished
below Wind Advisory criteria. As high pressure continues to build
across the region into Thursday, breezy winds may continue,
staying generally below 30 mph sustained. 

$$

Hallman

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 2:52 AM CSTMarine Dense Fog AdvisoryBRO6 hr
Mar 4, 9:44 AM CSTSpecial Weather StatementBROCameron, Hidalgo, Kenedy, Willacy91 min
Mar 4, 1:35 PM CSTSmall Craft AdvisoryBRO26 hr

Nearby

Wind Advisories in Texas, 2020Every wind advisory in 2020

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.