Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 11, NWS Brownsville, TX

April 8, 20115 counties in Texas

NWS Brownsville, TX issued this wind advisory at Apr 8, 2011, 3:39 AM CDT for 5 counties in Texas. It took effect at Apr 8, 2011, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 8, 2011, 3:39 AM CDT (08:39 UTC)
In effect from
Apr 8, 2011, 10:00 AM CDT
Expired
Apr 8, 2011, 7:00 PM CDT
In force
9 hr
Issued by
NWS Brownsville, TX

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

The radar

The Brownsville radar (KBRO), 86 km from the middle of the area, began a volume at 08:43 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, 8.7 hours before the alert went out and 88 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 2011-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1644 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 2011-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1644 J/kg
Mixed-layer CIN
-513 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

720 
WWUS74 KBRO 080839
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
339 AM CDT FRI APR 8 2011

...STRONG AND GUSTY SOUTHERLY WINDS EXPECTED ACROSS DEEP SOUTH
TEXAS TODAY...

.THE COMBINATION OF A DEVELOPING LOW PRESSURE SYSTEM OVER THE
WESTERN PORTIONS OF THE UNITED STATES AND SURFACE RIDGING OVER THE
SOUTHEASTERN PORTION OF THE COUNTRY WILL MAINTAIN STRONG AND GUSTY
SOUTHERLY WINDS OVER DEEP SOUTH TEXAS. 

TXZ250-251-253>257-082100-
/O.NEW.KBRO.WI.Y.0011.110408T1500Z-110409T0000Z/
BROOKS-KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-
COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...FALFURRIAS...SARITA...MCALLEN...
EDINBURG...PHARR...MISSION...WESLACO...RAYMONDVILLE...
BROWNSVILLE...HARLINGEN...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
339 AM CDT FRI APR 8 2011

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING. 

THE SOUTHERLY SURFACE WINDS WILL INCREASE INTO THE 25 TO 35 MPH
RANGE ACROSS MUCH OF THE EASTERN HALF OF DEEP SOUTH TEXAS LATE
THIS MORNING THROUGHOUT EARLY THIS EVENING. THESE STRONG AND GUSTY
SOUTHERLY WINDS WILL THEN WEAKEN SOMEWHAT AFTER SUNSET THIS
EVENING FALLING INTO THE 15 TO 25 MPH RANGE. 

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
374 
WWUS74 KBRO 081843
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
143 PM CDT FRI APR 8 2011

...STRONG AND GUSTY SOUTHERLY WINDS EXPECTED ACROSS DEEP SOUTH
TEXAS TODAY...

.THE COMBINATION OF A DEVELOPING LOW PRESSURE SYSTEM OVER THE
WESTERN PORTIONS OF THE UNITED STATES AND SURFACE RIDGING OVER
THE SOUTHEASTERN PORTION OF THE COUNTRY WILL MAINTAIN STRONG AND
GUSTY SOUTHERLY WINDS OVER DEEP SOUTH TEXAS.

TXZ250-251-253>257-090000-
/O.CON.KBRO.WI.Y.0011.000000T0000Z-110409T0000Z/
BROOKS-KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-
COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...FALFURRIAS...SARITA...MCALLEN...
EDINBURG...PHARR...MISSION...WESLACO...RAYMONDVILLE...
BROWNSVILLE...HARLINGEN...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
143 PM CDT FRI APR 8 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

THE SOUTHERLY SURFACE WINDS HAVE INCREASED INTO THE 25 TO 35 MPH
RANGE ACROSS MUCH OF THE EASTERN HALF OF DEEP SOUTH TEXAS
TODAY...AND THIS WILL CONTINUE INTO EARLY THIS EVENING. THESE STRONG
AND GUSTY SOUTHERLY WINDS WILL THEN WEAKEN SOMEWHAT AFTER SUNSET
THIS EVENING FALLING INTO THE 15 TO 25 MPH RANGE.

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
Apr 7, 7:54 PM CDTSmall Craft AdvisoryBRO35 hr
Apr 8, 4:00 AM CDTSmall Craft Advisory for WindsBRO17 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.