Alert archive / Texas / Wind Advisories in 2017

Wind Advisory 13, NWS Brownsville, TX

December 22, 2017Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Dec 22, 2017, 4:26 AM CST for Cameron County, Kenedy County, Willacy County, Texas. It took effect at Dec 22, 2017, 10:00 AM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 22, 2017, 4:26 AM CST (10:26 UTC)
In effect from
Dec 22, 2017, 10:00 AM CST
Expired
Dec 22, 2017, 3:42 PM CST
In force
6 hr
Issued by
NWS Brownsville, TX

Counties Cameron County, TX, Kenedy County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 69 km from the middle of the area, began a volume at 10:28 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, 10.4 hours before the alert went out and 71 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 2017-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 751 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 2017-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.19395878Sfc1 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
751 J/kg
Mixed-layer CIN
-339 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

778 
WWUS74 KBRO 221026
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
426 AM CST Fri Dec 22 2017

...Strong Southerly Winds expected today...

.A strong cold front will approach Deep South Texas today. Ahead
of this cold front the southerly surface winds will increase
across Kenedy, Willacy and Cameron Counties today. The southerly
winds will then weaken after sunset today dropping below wind
advisory levels. 

TXZ251-254>257-222200-
/O.NEW.KBRO.WI.Y.0013.171222T1600Z-171222T2200Z/
Kenedy-Inland Willacy-Inland Cameron-Coastal Willacy-
Coastal Cameron-
Including the cities of Sarita, Raymondville, Brownsville, 
Harlingen, Port Mansfield, Port Isabel, South Padre Island, 
Laguna Heights, and Laguna Vista
426 AM CST Fri Dec 22 2017

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

The National Weather Service in Brownsville has issued a Wind
Advisory, which is in effect from 10 AM this morning to 4 PM CST
this afternoon. 

* TIMING...From mid morning through late afternoon Today. 

* WINDS...From the South at 25 to 35 mph. 

* IMPACTS...Drivers of vans...campers...trailers...and other high-
  profile vehicles should be alert to the danger of these
  winds...especially when driving along east to west oriented 
  roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 MPH are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
415 
WWUS74 KBRO 222142 AAA
NPWBRO

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Brownsville TX
342 PM CST Fri Dec 22 2017

...SURFACE WINDS BEGINNING TO DIMINISH...

.SURFACE OBSERVATION PLATFORMS SUGGEST THAT WINDS ARE BEGINNING 
TO DIMINISH OVER THE IMMEDIATE COASTAL COUNTIES OF DEEP SOUTH 
TEXAS AND THE RIO GRANDE VALLEY. SINCE THESE WINDS ARE NOW BELOW 
ESTABLISHED WIND ADVISORY CRITERIA...THE ADVISORY HAS BEEN
CANCELLED A LITTLE EARLY. 

TXZ251-254>257-222245-
/O.CAN.KBRO.WI.Y.0013.000000T0000Z-171222T2200Z/
Kenedy-Inland Willacy-Inland Cameron-Coastal Willacy-
Coastal Cameron-
Including the cities of Sarita, Raymondville, Brownsville, 
Harlingen, Port Mansfield, Port Isabel, South Padre Island, 
Laguna Heights, and Laguna Vista
342 PM CST Fri Dec 22 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Brownsville has cancelled the
Wind Advisory. 

Although the advisory is no longer in effect, residents can expect
breezy winds with windy gusts from now until sunset this evening. 

$$

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 4:37 AM CSTSmall Craft Advisory for WindsBRO11 hr
Dec 22, 4:21 PM CSTSmall Craft AdvisoryBRO22 hr
Dec 22, 4:21 PM CSTSmall Craft Advisory for WindsBRO99 min
Dec 22, 4:21 PM CSTSmall Craft Advisory for WindsBRO14 hr

Nearby

Wind Advisories in Texas, 2017Every wind advisory in 2017

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.