Alert archive / Texas / Wind Advisories in 2012

Wind Advisory 15, NWS Brownsville, TX

April 15, 2012Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Apr 15, 2012, 2:45 AM CDT for Cameron County, Kenedy County, Willacy County, Texas. It took effect at Apr 15, 2012, 7:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2012, 2:45 AM CDT (07:45 UTC)
In effect from
Apr 15, 2012, 7:00 AM CDT
Expired
Apr 15, 2012, 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 07:46 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, 7.8 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 2012-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2789 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 2012-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
2789 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

070 
WWUS74 KBRO 150745
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
245 AM CDT SUN APR 15 2012

...STRONG SOUTHEAST WINDS THIS MORNING NEAR THE COAST...

.DEEP LOW PRESSURE OVER THE CENTRAL HIGH PLAINS WILL INTERACT WITH
HIGH PRESSURE OVER THE GULF OF MEXICO TO MAINTAIN A TIGHT SURFACE
PRESSURE GRADIENT ALONG THE COAST THROUGH THIS MORNING. AS PART
OF THIS DYNAMIC...A STRONG LOW LEVEL JET OF UP TO 70 KNOTS AT 3000
FEET IS MIXING HIGHER WINDS DOWN TO THE SURFACE. POSTED A WIND
ADVISORY FOR THIS MORNING FOR THE COASTAL ZONES. WINDS WILL
DECREASE THIS AFTERNOON AS A FRONT MOVES INTO SOUTH TEXAS...
INTERRUPTING AND SLACKENING THE TIGHT GRADIENT.

TXZ251-256-257-151700-
/O.NEW.KBRO.WI.Y.0015.120415T1200Z-120415T1700Z/
KENEDY-COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...SARITA...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
245 AM CDT SUN APR 15 2012

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO NOON CDT
TODAY...

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

* TIMING...ROUGHLY DAWN TO NOON WITH GUSTY SOUTHEAST WINDS OF 30
  TO 35 MPH NEAR THE COAST.

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.

&&

$$
3 follow-up statements
681 
WWUS74 KBRO 150903
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
403 AM CDT SUN APR 15 2012

...STRONG SOUTHEAST WINDS THIS MORNING NEAR THE COAST...

.DEEP LOW PRESSURE OVER THE CENTRAL HIGH PLAINS WILL INTERACT
WITH HIGH PRESSURE OVER THE GULF OF MEXICO TO MAINTAIN A TIGHT
SURFACE PRESSURE GRADIENT ALONG THE COAST THROUGH THIS MORNING.
AS PART OF THIS DYNAMIC...A STRONG LOW LEVEL JET OF UP TO
70 KNOTS AT 3000 FEET IS MIXING HIGHER WINDS DOWN TO THE SURFACE.
POSTED A WIND ADVISORY FOR THIS MORNING FOR THE COASTAL COUNTIES.
WINDS WILL DECREASE THIS AFTERNOON AS A FRONT MOVES INTO SOUTH
TEXAS...INTERRUPTING AND SLACKENING THE TIGHT GRADIENT.

TXZ254-255-151700-
/O.EXA.KBRO.WI.Y.0015.120415T1200Z-120415T1700Z/
INLAND WILLACY-INLAND CAMERON-
INCLUDING THE CITIES OF...RAYMONDVILLE...BROWNSVILLE...HARLINGEN
403 AM CDT SUN APR 15 2012

...WIND ADVISORY IN EFFECT UNTIL NOON CDT TODAY...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CDT TODAY. 

* TIMING...ROUGHLY DAWN TO NOON WITH GUSTY SOUTHEAST WINDS OF 30
  TO 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.

&&

$$

TXZ251-256-257-151700-
/O.CON.KBRO.WI.Y.0015.120415T1200Z-120415T1700Z/
KENEDY-COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...SARITA...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
403 AM CDT SUN APR 15 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...

* TIMING...ROUGHLY DAWN TO NOON WITH GUSTY SOUTHEAST WINDS OF 30
  TO 40 MPH NEAR THE COAST.

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.

&&

$$
226 
WWUS74 KBRO 151702
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1202 PM CDT SUN APR 15 2012

...STRONG SOUTHEAST WINDS THIS MORNING NEAR THE COAST...

.DEEP LOW PRESSURE OVER THE CENTRAL HIGH PLAINS WILL INTERACT
WITH HIGH PRESSURE OVER THE GULF OF MEXICO TO MAINTAIN A TIGHT
SURFACE PRESSURE GRADIENT ALONG THE COAST THROUGH LATE THIS
AFTERNOON. WINDS WILL DECREASE LATER THIS AFTERNOON AS A FRONT
MOVES INTO DEEP SOUTH TEXAS WEAKENING THE PRESSURE GRADIENT.

TXZ251-254>257-152100-
/O.EXT.KBRO.WI.Y.0015.000000T0000Z-120415T2100Z/
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
1202 PM CDT SUN APR 15 2012

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

* TIMING...GUSTY SOUTHEAST WINDS OF 30 TO 40 MPH ARE EXPECTED TO
  CONTINUE ALONG AND EAST OF THE HIGHWAY 77 CORRIDOR THROUGH LATE
  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.

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

&&

$$
613 
WWUS74 KBRO 151708 CCA
NPWBRO

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1206 PM CDT SUN APR 15 2012

...STRONG SOUTHEAST WINDS TO PERSIST THROUGH LATE THIS
AFTERNOON...

.DEEP LOW PRESSURE OVER THE CENTRAL HIGH PLAINS WILL INTERACT
WITH HIGH PRESSURE OVER THE GULF OF MEXICO TO MAINTAIN A TIGHT
SURFACE PRESSURE GRADIENT ALONG THE COAST THROUGH LATE THIS
AFTERNOON. WINDS WILL DECREASE LATER THIS AFTERNOON AS A FRONT
MOVES INTO DEEP SOUTH TEXAS WEAKENING THE PRESSURE GRADIENT.

TXZ251-254>257-152100-
/O.EXT.KBRO.WI.Y.0015.000000T0000Z-120415T2100Z/
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
1206 PM CDT SUN APR 15 2012

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

* TIMING...GUSTY SOUTHEAST WINDS OF 30 TO 40 MPH ARE EXPECTED TO
  CONTINUE ALONG AND EAST OF THE HIGHWAY 77 CORRIDOR THROUGH LATE
  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.

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

&&

$$

Nearby

Wind Advisories in Texas, 2012Every wind advisory in 2012

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.