Alert archive / Texas / Wind Advisories in 2009

Wind Advisory 13, NWS Brownsville, TX

March 30, 2009Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Mar 30, 2009, 6:53 AM CDT for Cameron County, Kenedy County, Willacy County, Texas. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 30, 2009, 6:53 AM CDT (11:53 UTC)
Expired
Mar 30, 2009, 4:00 PM CDT
In force
9 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 11:59 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, 11.9 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 2009-03-30Temperature 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 2009-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1437 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
169 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.

000 
WWUS74 KBRO 301153
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
653 AM CDT MON MAR 30 2009

...STRONG GUSTY SOUTH WINDS FOR EASTERN DEEP SOUTH TEXAS TODAY...

.DEEPENING LOW PRESSURE IN THE TEXAS OKLAHOMA PANHANDLE AREA
WILL INTERACT WITH HIGH PRESSURE IN THE GULF OF MEXICO TO TIGHTEN
THE LOCAL PRESSURE GRADIENT. A LOW LEVEL JET THAT DEVELOPED LAST
NIGHT WILL MIX DOWN TO THE SURFACE AS TEMPERATURES WARM. STRONG
AND GUSTY SOUTH WINDS ARE FORECAST FOR THE EASTERN HALF OF DEEP
SOUTH TEXAS TODAY.

TXZ251-254>257-302100-
/O.NEW.KBRO.WI.Y.0013.090330T1153Z-090330T2100Z/
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
653 AM CDT MON MAR 30 2009

...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY FOR KENEDY...WILLACY...AND CAMERON COUNTIES...WHICH IS IN
EFFECT UNTIL 4 PM CDT THIS AFTERNOON.

THE STRONGEST WINDS WILL BE CONCENTRATED ALONG THE COAST...
INCLUDING THE HIGHWAY 77 CORRIDOR...FROM LATE MORNING THROUGH MID
AFTERNOON. GUSTS TO 40 MPH WILL BE POSSIBLE.

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.

HIGH PROFILE OR LIGHT WEIGHT VEHICLES WILL BE DIFFICULT TO
DRIVE...ESPECIALLY ON BRIDGES OR OVERPASSES AND IN CROSS WINDS.

&&

$$

54/52
1 follow-up statement
000 
WWUS74 KBRO 301719
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1219 PM CDT MON MAR 30 2009

...WINDS REACHING PEAK SPEEDS THROUGH 2 PM...

.DEEPENING LOW PRESSURE IN THE TEXAS OKLAHOMA PANHANDLE AREA
CONTINUES TO INTERACT WITH HIGH PRESSURE IN THE GULF OF MEXICO
EARLY THIS AFTERNOON. WIND GUSTS IN EXCESS OF 40 MPH HAVE MIXED TO
THE SURFACE ALONG AND EAST OF THE HIGHWAY 77 CORRIDOR...AND WILL
CONTINUE INTO EARLY TO MID AFTERNOON BEFORE DIMINISHING.

TXZ251-254>257-302100-
/O.CON.KBRO.WI.Y.0013.000000T0000Z-090330T2100Z/
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
1219 PM CDT MON MAR 30 2009

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

SOUTH WINDS 30 TO 35 MPH WITH GUSTS UP TO 45 MPH WILL CONTINUE
ACROSS BROWNSVILLE...HARLINGEN...RAYMONDVILLE...AND POINTS EAST
INCLUDING BAYVIEW...PORT ISABEL...RIO HONDO...AND ARROYO CITY
UNTIL AT LEAST 2 PM. CONDITIONS WILL BEGIN TO SLOWLY IMPROVE
BETWEEN 2 AND 4 PM AS THE CORE OF STRONGEST WINDS MIXING TO GROUND LEVEL FROM
2 TO 3 THOUSAND FEET MOVES EAST OF THE AREA.

PEAK GUSTS THUS FAR...BROWNSVILLE AIRPORT: 45 MPH. HARLINGEN
VALLEY AIRPORT...45 MPH. PORT ISABEL CAMERON COUNTY AIRPORT: 40 MPH. 

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.

HIGH PROFILE OR LIGHT WEIGHT VEHICLES WILL BE DIFFICULT TO
DRIVE...ESPECIALLY ON BRIDGES OR OVERPASSES AND IN CROSS WINDS.

IF YOU HAVENT DONE SO...MOVE LIGHT AND MODERATE WEIGHT
ITEMS...SUCH AS LAWN FURNITURE...EMPTY TRASH CANS...AND PORTABLE
BASKETBALL POSTS...INDOORS.

&&

$$

52/BSG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 6:51 AM CDTRed Flag WarningBROCameron, Kenedy, Willacy9 hr
Mar 30, 1:29 PM CDTSmall Craft Advisory for WindsBRO8 hr

Nearby

Wind Advisories in Texas, 2009Every wind advisory in 2009

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.