Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 16, NWS Brownsville, TX

April 30, 20115 counties in Texas

NWS Brownsville, TX issued this wind advisory at Apr 30, 2011, 5:12 AM CDT for 5 counties in Texas. It took effect at Apr 30, 2011, 10:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2011, 5:12 AM CDT (10:12 UTC)
In effect from
Apr 30, 2011, 10:00 AM CDT
Expired
Apr 30, 2011, 6:00 PM CDT
In force
8 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 10:16 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, 10.2 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 2011-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 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 2011-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939Sfc1 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
696 J/kg
Mixed-layer CIN
-649 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
202 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.

114 
WWUS74 KBRO 301012
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
512 AM CDT SAT APR 30 2011

...STRONG WINDS FOR A FEW HOURS FOR CAMERON COUNTY TODAY...

.A LOW LEVEL JET OF 55 KNOTS OVER CAMERON COUNTY IS MIXING DOWN
TO THE SURFACE THIS MORNING. HIGH PRESSURE TO THE EAST IS
INTERACTING WITH LOWER PRESSURE UPSTREAM OVER WEST TEXAS AND THE
SOUTHERN HIGH PLAINS. WINDS WILL DECREASE LATER TODAY.

TXZ255-257-302000-
/O.NEW.KBRO.WI.Y.0016.110430T1500Z-110430T2000Z/
INLAND CAMERON-COASTAL CAMERON-
INCLUDING THE CITIES OF...BROWNSVILLE...HARLINGEN...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
512 AM CDT SAT APR 30 2011

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CDT
THIS AFTERNOON. 

SOUTHEAST TO SOUTH WINDS WILL INCREASE FROM 25 TO 35 MPH ACROSS
CAMERON COUNTY WITH GUSTS TO 40 MPH BY MID MORNING AND WILL LAST
THROUGH THIS AFTERNOON.

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.

&&

$$
2 follow-up statements
802 
WWUS74 KBRO 301151
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
651 AM CDT SAT APR 30 2011

...STRONG WINDS TO DEVELOP ACROSS EASTERN PORTIONS OF DEEP SOUTH
TEXAS LATER THIS MORNING THROUGH EARLY THIS AFTERNOON...

.A STRONG LOW LEVEL JET ACROSS THE LOWER TEXAS COAST THIS MORNING
IN COMBINATION WITH A TIGHT PRESSURE GRADIENT WILL ALLOW WINDS TO
INCREASE FROM THE SOUTHEAST LATER THIS MORNING INTO EARLY THIS
AFTERNOON. 

TXZ250-251-253-254-256-302000-
/O.EXB.KBRO.WI.Y.0016.110430T1500Z-110430T2300Z/
BROOKS-KENEDY-HIDALGO-INLAND WILLACY-COASTAL WILLACY-
INCLUDING THE CITIES OF...FALFURRIAS...SARITA...MCALLEN...
EDINBURG...PHARR...MISSION...WESLACO...RAYMONDVILLE...
PORT MANSFIELD
651 AM CDT SAT APR 30 2011

...WIND ADVISORY IN EFFECT FROM 10 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 10 AM THIS MORNING TO 6 PM CDT
THIS EVENING. 

SOUTHEAST TO SOUTH WINDS WILL INCREASE TO 25 TO 30 MPH ACROSS
EASTERN PORTIONS OF DEEP SOUTH TEXAS...MAINLY ALONG AND EAST OF
THE HIGHWAY 281 CORRIDOR WITH GUSTS FROM 35 TO 40 MPH BY MID
MORNING AND WILL LAST THROUGH THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE LIGHT AND MODERATE WEIGHT ITEMS...SUCH AS PATIO
FURNITURE...EMPTY TRASH CANS...AND PORTABLE BASKETBALL
POSTS...INDOORS.

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

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.

&&

$$

TXZ255-257-302000-
/O.EXT.KBRO.WI.Y.0016.110430T1500Z-110430T2300Z/
INLAND CAMERON-COASTAL CAMERON-
INCLUDING THE CITIES OF...BROWNSVILLE...HARLINGEN...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
651 AM CDT SAT APR 30 2011

...WIND ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 6 PM
CDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT FROM 10 AM THIS MORNING TO
6 PM CDT THIS EVENING. 

SOUTHEAST TO SOUTH WINDS WILL INCREASE TO 25 TO 30 MPH ACROSS
EASTERN PORTIONS OF DEEP SOUTH TEXAS...MAINLY ALONG AND EAST OF
THE HIGHWAY 281 CORRIDOR WITH GUSTS FROM 35 TO 40 MPH BY MID MORNING
AND WILL LAST THROUGH THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE LIGHT AND MODERATE WEIGHT ITEMS...SUCH AS PATIO
FURNITURE...EMPTY TRASH CANS...AND PORTABLE BASKETBALL
POSTS...INDOORS.

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

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.

&&

$$

CASTILLO
323 
WWUS74 KBRO 301807 AAA
NPWBRO

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
107 PM CDT SAT APR 30 2011

...VERY STRONG WINDS CONTINUE ACROSS THE COASTAL SECTIONS OF DEEP
SOUTH TEXAS EARLY THIS AFTERNOON...

.A STRONG LOW LEVEL JET ACROSS THE LOWER TEXAS COAST EARLY THIS
AFTERNOON IN COMBINATION WITH A TIGHT PRESSURE GRADIENT WILL
ALLOW VERY STRONG WINDS FROM THE SOUTHEAST TO CONTINUE THROUGH THIS
THIS AFTERNOON INTO EARLY THIS EVENING.

TXZ250-251-253>257-302300-
/O.CON.KBRO.WI.Y.0016.000000T0000Z-110430T2300Z/
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
107 PM CDT SAT APR 30 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING. 

SOUTHEAST TO SOUTH WINDS 30 TO 35 MPH WITH GUSTS TO 40 TO 45 MPH
WILL CONTINUE ACROSS EASTERN PORTIONS OF DEEP SOUTH TEXAS...MAINLY
EAST OF THE HIGHWAY 281 CORRIDOR THROUGH THE REST OF THE AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FASTEN LOOSE DOORS...WINDOWS...SHINGLES...AND SIDING.

MOVE LIGHT AND MODERATE WEIGHT ITEMS...SUCH AS PATIO FURNITURE...
EMPTY TRASH CANS...AND PORTABLE BASKETBALL POSTS...INDOORS.

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

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.

&&

$$

CASTILLO

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.