Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 17, NWS Brownsville, TX

May 1, 20114 counties in Texas

NWS Brownsville, TX issued this wind advisory at May 1, 2011, 2:24 AM CDT for 4 counties in Texas. It took effect at May 1, 2011, 9:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 1, 2011, 2:24 AM CDT (07:24 UTC)
In effect from
May 1, 2011, 9:00 AM CDT
Expired
May 1, 2011, 6:00 PM CDT
In force
9 hr
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 07:26 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, 7.4 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 2011-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2918 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 2011-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
2918 J/kg
Mixed-layer CIN
-428 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
189 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.

804 
WWUS74 KBRO 010724
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
224 AM CDT SUN MAY 1 2011

...STRONG SOUTHEAST TO SOUTH WINDS ACROSS COASTAL SECTIONS
TODAY...

.HIGH PRESSURE TO THE EAST WILL INTERACT WITH LOWER PRESSURE
INLAND AND UPSTREAM TO PRODUCE STRONG WINDS NEAR THE COAST TODAY.
WINDS ACROSS CAMERON AND WILLACY COUNTIES WILL INCREASE TO BETWEEN
25 AND 35 MPH FOR SEVERAL HOURS TODAY...WITH GUSTS TO 40 MPH
POSSIBLE.

TXZ254>257-012100-
/O.NEW.KBRO.WI.Y.0017.110501T1400Z-110501T2100Z/
INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...RAYMONDVILLE...BROWNSVILLE...
HARLINGEN...PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
224 AM CDT SUN MAY 1 2011

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 4 PM CDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 4 PM CDT
THIS AFTERNOON. 

SOUTHEAST TO SOUTH WINDS WILL INCREASE TO BETWEEN 25 AND 35 MPH
THIS MORNING AND WILL PERSIST FOR SEVERAL HOURS. GUSTS TO 40 MPH
WILL BE POSSIBLE. THE STRONGEST WINDS WILL DEVELOP BETWEEN 10 AM
AND 3 PM. 

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.

&&

$$
1 follow-up statement
292 
WWUS74 KBRO 011350
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
850 AM CDT SUN MAY 1 2011

...STRONG SOUTHEAST TO SOUTH WINDS ACROSS COASTAL SECTIONS
TODAY...

.A VERY STRONG WIND GRADIENT BETWEEN HIGH PRESSURE OVER THE GULF
AND DEEP LOW PRESSURE ACROSS NORTH TEXAS WILL PRODUCE VERY STRONG
WINDS ALONG AND EITHER SIDE OF HIGHWAY 77 AND ACROSS EASTERN
PORTIONS OF HIDALGO COUNTY. WINDS BETWEEN 1000 AND 3000 FEET
ABOVE THE SURFACE RANGE BETWEEN 45 AND 63 MPH. A PORTION OF THESE
STRONG WINDS ARE EXPECTED TO MIX TO THE SURFACE TODAY. 

TXZ251-253-012300-
/O.EXB.KBRO.WI.Y.0017.110501T1500Z-110501T2300Z/
KENEDY-HIDALGO-
INCLUDING THE CITIES OF...SARITA...MCALLEN...EDINBURG...PHARR...
MISSION...WESLACO
850 AM CDT SUN MAY 1 2011

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

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. 

SOUTHEAST TO SOUTH WINDS WILL INCREASE TO BETWEEN 25 AND 35 MPH
MID TO LATE MORNING AND PERSIST THROUGH THE AFTERNOON. GUSTS TO 45 MPH
WILL BE POSSIBLE. THE STRONGEST WINDS WILL DEVELOP BETWEEN 11 AM
AND 4 PM. BLOWING SAND...DUST AND DEBRIS COULD OCCASIONALLY LOWER
VISIBILITIES TO LESS THAN 2 MILES AT TIMES. 

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.

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

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

&&

$$

TXZ254>257-012300-
/O.EXT.KBRO.WI.Y.0017.110501T1400Z-110501T2300Z/
INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...RAYMONDVILLE...BROWNSVILLE...
HARLINGEN...PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
850 AM CDT SUN MAY 1 2011

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

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM CDT THIS EVENING. 

SOUTHEAST TO SOUTH WINDS WILL INCREASE TO BETWEEN 25 AND 40 MPH
MID TO LATE MORNING AND PERSIST THROUGH THE AFTERNOON. GUSTS TO 50
MPH ARE POSSIBLE. THE STRONGEST WINDS WILL DEVELOP BETWEEN 11 AM
AND 4 PM. BLOWING SAND...DUST AND DEBRIS COULD OCCASIONALLY LOWER
VISIBILITIES TO LESS THAN 2 MILES AT TIMES. ALONG HIGHWAYS 48 AND
4 LEADING TO SOUTH PADRE ISLAND BLOWING SAND COULD REDUCE
VISIBILITIES TO LESS THAN ONE HALF MILE.  

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 3:01 AM CDTSmall Craft AdvisoryBRO66 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.