Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 27, NWS Brownsville, TX

November 12, 2011Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Nov 12, 2011, 4:33 AM CST for Cameron County, Kenedy County, Willacy County, Texas. It took effect at Nov 12, 2011, 10:00 AM CST. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2011, 4:33 AM CST (10:33 UTC)
In effect from
Nov 12, 2011, 10:00 AM CST
Expired
Nov 12, 2011, 12:50 PM CST
In force
3 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 10:32 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, 10.6 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 2011-11-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1804 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
72 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.

302 
WWUS74 KBRO 121033
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
433 AM CST SAT NOV 12 2011

...STRONG WINDS TO AFFECT PORTIONS OF DEEP SOUTH TEXAS TODAY...

.STRONG AND BROAD SURFACE HIGH PRESSURE CENTERED OVER THE SOUTHEAST
UNITED STATES AND EXTENDED OVER THE GULF OF MEXICO WILL INTERACT
WITH SURFACE LOW PRESSURE LOCATED OVER THE TEXAS PANHANDLE AND THE 
CENTRAL PLAINS TODAY...PRODUCING STRONG WINDS FOR THE THREE COASTAL
COUNTIES OF DEEP SOUTH TEXAS. THIS WEATHER PATTERN MAY PERSIST FOR
SUNDAY AND MONDAY...POSSIBLY RESULTING IN A WIND ADVISORY FOR BOTH
OF THOSE DAYS AS WELL. 

TXZ251-254>257-121845-
/O.NEW.KBRO.WI.Y.0027.111112T1600Z-111112T2200Z/
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
433 AM CST SAT NOV 12 2011

...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 FOR CAMERON...WILLACY...AND KENEDY COUNTY.

* EVENT...STRONG SOUTHERLY WINDS BETWEEN 25 AND 30 MPH WITH
  FREQUENT HIGHER GUSTS WILL AFFECT THE THREE IMMEDIATE COASTAL
  COUNTIES OF DEEP SOUTH TEXAS. 

* TIMING...THE STRONG SOUTHERLY WINDS WILL DEVELOP DURING THE LATE
  MORNING HOURS OF TODAY AND PERSIST THROUGH THE LATE AFTERNOON
  HOURS. 

* IMPACT...MOTORISTS OPERATING HIGH PROFILE VEHICLES...ESPECIALLY
  ALONG EXPRESSWAY 83 BETWEEN MCALLEN AND BROWNSVILLE...WILL HAVE
  INCREASED DIFFICULTY DRIVING IN THE WINDY CONDITIONS. LOOSE AND
  UNSECURED OBJECTS...SUCH AS TRASH CANS...LAWN ORNAMENTS...AND
  HOLIDAY DECORATIONS...WILL BE EASILY MOVED AROUND AND DAMAGED BY
  THE STRONG WINDS.

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.

&&

$$

TOMASELLI
1 follow-up statement
295 
WWUS74 KBRO 121850 AAA
NPWBRO

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1250 PM CST SAT NOV 12 2011

...CONDITIONS REMAINING BREEZY THROUGH THE REST OF THE AFTERNOON...

.SOUTHEAST WINDS OF 20 TO 25 MPH WITH SOME GUSTS OF 30MPH CONTINUE
ACROSS THE COASTAL REGIONS THIS AFTERNOON. WHILE BREEZY CONDITIONS
WILL CONTINUE...WINDS ARE NO LONGER FORECAST TO REACH 30MPH
SUSTAINED FOR 2 OR MORE HOURS. THUS THE WIND ADVISORY IS BEING
CANCELLED. 

TXZ251-254>257-122000-
/O.CAN.KBRO.WI.Y.0027.000000T0000Z-111112T2200Z/
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
1250 PM CST SAT NOV 12 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE
WIND ADVISORY. 

BREEZY CONDITIONS OF 20 TO 25MPH WILL CONTINUE THROUGH THE
AFTERNOON...BUT ARE NO LONGER FORECAST TO REACH 30 MPH FOR
EXTENDED PERIODS OF TIME. THUS THE ADVISORY HAS BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 4:17 AM CSTSmall Craft AdvisoryBRO3 days
Nov 12, 4:17 AM CSTSmall Craft Advisory for WindsBRO14 hr

Nearby

Wind Advisories in Texas, 2011Every wind advisory in 2011

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.