Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 34, NWS Brownsville, TX

December 4, 20114 counties in Texas

NWS Brownsville, TX issued this wind advisory at Dec 4, 2011, 3:55 AM CST for 4 counties in Texas. It took effect at Dec 4, 2011, 10:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 4, 2011, 3:55 AM CST (09:55 UTC)
In effect from
Dec 4, 2011, 10:00 AM CST
Expired
Dec 4, 2011, 9:11 AM CST
In force
Issued by
NWS Brownsville, TX

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

The radar

The Brownsville radar (KBRO), 70 km from the middle of the area, began a volume at 09:58 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, 9.9 hours before the alert went out and 73 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 2011-12-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2011-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
-541 J/kg
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
133 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.

018 
WWUS74 KBRO 040955
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
355 AM CST SUN DEC 4 2011

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

.STRONG SURFACE HIGH PRESSURE CENTERED OVER NEW ENGLAND AND
EXTENDED DOWN THE EAST COAST AND INTO THE GULF OF MEXICO WILL
INTERACT WITH SURFACE LOW PRESSURE LOCATED OVER NORTHERN MEXICO
TODAY...RESULTING IN STRONG WINDS IN EASTERN AND CENTRAL PORTIONS
OF DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY.

TXZ251-253>257-041800-
/O.NEW.KBRO.WI.Y.0034.111204T1600Z-111204T2200Z/
KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY-
COASTAL CAMERON-
INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR...
MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN...
PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
355 AM CST SUN DEC 4 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. 

* EVENT...STRONG SOUTHEASTERLY WINDS BETWEEN 25 AND 30 MPH.

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

* IMPACT...MOTORISTS OPERATING HIGH PROFILE VEHICLES...ESPECIALLY
  ALONG EXPRESSWAY 83 BETWEEN WESLACO AND BROWNSVILLE...AND ALONG
  EXPRESSWAY 77 BETWEEN BROWNSVILLE AND SARITA...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.

&&

$$
1 follow-up statement
731 
WWUS74 KBRO 041511
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
911 AM CST SUN DEC 4 2011

...BREEZY ALONG THE COAST...

.SOUTH SOUTHEAST WINDS WILL BECOME BREEZY ALONG THE COAST TODAY...
BUT CURRENT OBS AND TRENDS...AND THE LATEST MODEL DATA...SUGGEST
THAT OVERALL CONDITIONS WILL BE BELOW ADVISORY CRITERIA.

TXZ251-253>257-041615-
/O.CAN.KBRO.WI.Y.0034.111204T1600Z-111204T2200Z/
KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY-
COASTAL CAMERON-
INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR...
MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN...
PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
911 AM CST SUN DEC 4 2011

...WIND ADVISORY IS CANCELLED...

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

THE CURRENT FORECAST DOES NOT SUPPORT A WIND ADVISORY...AND IT HAS
THEREFORE BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 3:48 AM CSTSmall Craft Advisory for WindsBRO13 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.