Alert archive / Texas / Wind Advisories in 2012

Wind Advisory 18, NWS Brownsville, TX

November 11, 2012Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Nov 11, 2012, 5:17 AM CST for Cameron County, Kenedy County, Willacy County, Texas. It took effect at Nov 11, 2012, 9:00 AM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Nov 11, 2012, 5:17 AM CST (11:17 UTC)
In effect from
Nov 11, 2012, 9:00 AM CST
Expired
Nov 11, 2012, 3:00 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 11:17 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, 11.3 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 2012-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 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 2012-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
267 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

755 
WWUS74 KBRO 111117
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
517 AM CST SUN NOV 11 2012

...STRONG SOUTH TO SOUTHEASTERLY WINDS EXPECTED TODAY...

.A STRONG AREA OF LOW PRESSURE BUILDING OVER WESTERN TEXAS AND THE
CENTRAL PLAINS WILL INTERACT WITH HIGH PRESSURE OVER THE GULF OF
MEXICO TO PRODUCE STRONG AND GUSTY WINDS OUT OF THE SOUTH AND
SOUTHEAST TODAY ACROSS THE COASTAL COUNTIES OF DEEP SOUTH TEXAS
AND THE LOWER RIO GRANDE VALLEY.

TXZ251-254>257-111930-
/O.NEW.KBRO.WI.Y.0018.121111T1500Z-121111T2100Z/
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...LAGUNA VISTA
517 AM CST SUN NOV 11 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM CST
THIS AFTERNOON. 

* TIMING...STRONG SOUTH WINDS WILL INCREASE THROUGH MID MORNING.
  WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE EXPECTED THROUGH
  MID AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
30 TO 39 MPH AND OR FREQUENT GUSTS WILL RANGE BETWEEN 40 AND
57 MPH.

&&

$$

JGG/GB
1 follow-up statement
948 
WWUS74 KBRO 111933
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
133 PM CST SUN NOV 11 2012

...STRONG SOUTH TO SOUTHEASTERLY WINDS EXPECTED THROUGH MID
AFTERNOON...

.A STRONG AREA OF LOW PRESSURE BUILDING OVER WESTERN TEXAS AND
THE CENTRAL PLAINS INTERACTING WITH HIGH PRESSURE OVER THE GULF OF
MEXICO CONTINUES TO PRODUCE STRONG AND GUSTY WINDS OUT OF THE
SOUTH AND SOUTHEAST THIS AFTERNOON ACROSS THE COASTAL COUNTIES OF
DEEP SOUTH TEXAS AND THE LOWER RIO GRANDE VALLEY.

TXZ251-254>257-112100-
/O.CON.KBRO.WI.Y.0018.000000T0000Z-121111T2100Z/
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...LAGUNA VISTA
133 PM CST SUN NOV 11 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE
  EXPECTED THROUGH MID AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
30 TO 39 MPH AND OR FREQUENT GUSTS WILL RANGE BETWEEN 40 AND
57 MPH.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 3:48 AM CSTSmall Craft Advisory for WindsBRO12 hr
Nov 11, 4:42 AM CSTFire Weather WatchBROJim Hogg, Starr, Zapata21 hr

Nearby

Wind Advisories in Texas, 2012Every wind advisory in 2012

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.