Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 13, NWS Brownsville, TX

April 10, 2011Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Apr 10, 2011, 3:57 AM CDT for Cameron County, Kenedy County, Willacy County, Texas. It took effect at Apr 10, 2011, 11:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 10, 2011, 3:57 AM CDT (08:57 UTC)
In effect from
Apr 10, 2011, 11:00 AM CDT
Expired
Apr 10, 2011, 6:00 PM CDT
In force
7 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 09:01 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, 9.0 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 2011-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1028 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 2011-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
1028 J/kg
Mixed-layer CIN
-539 J/kg
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
69 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.

374 
WWUS74 KBRO 100857
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
357 AM CDT SUN APR 10 2011

...THE VALLEYS CEASELESS WIND CONTINUES FOR ANOTHER DAY...

.INTENSIFYING TROUGH OF LOW PRESSURE IN THE LEE OF THE SIERRA
MADRE WILL CONTINUE TO PRODUCE STRONG SOUTHERLY WINDS ACROSS THE
HIGHWAY 77 CORRIDOR FROM LATE THIS MORNING TO LATE AFTERNOON TODAY.

TXZ251-254>257-102300-
/O.NEW.KBRO.WI.Y.0013.110410T1600Z-110410T2300Z/
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
357 AM CDT SUN APR 10 2011

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING. 

SOUTH WINDS WILL INCREASE ONCE AGAIN AFTER SUNRISE AND REACH 25 TO
35 MPH WITH GUSTS 40 TO 45 MPH BETWEEN 10 AM AND NOON...CONTINUING
THROUGH THE BALANCE OF THE AFTERNOON BEFORE DIMINISHING THIS
EVENING. THE WINDS WILL BE FELT MAINLY ALONG THE HIGHWAY 77
CORRIDOR IN CAMERON AND WILLACY COUNTY...EXTENDING INTO SOUTHERN
KENEDY COUNTY. LOCATIONS INCLUDING BROWNSVILLE...HARLINGEN...LOS
FRESNOS...BAYVIEW...AND RAYMONDVILLE WILL SEE THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

MOVE LIGHT AND MODERATE WEIGHT ITEMS...SUCH AS LAWN
FURNITURE...EMPTY TRASH CANS...AND PORTABLE BASKETBALL
POSTS...INDOORS EARLY THIS MORNING.

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

&&

$$

52/BSG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 4:03 AM CDTSmall Craft Advisory for WindsBRO21 hr
Apr 10, 4:28 AM CDTFire Weather WatchBROBrooks, Hidalgo, Jim Hogg, Starr, Zapata9 hr
Apr 10, 1:43 PM CDTSmall Craft AdvisoryBRO3 hr
Apr 10, 1:56 PM CDTFire Weather WatchBROCameron, Kenedy, Willacy16 hr
Apr 10, 1:56 PM CDTRed Flag WarningBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more31 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.