Alert archive / Texas / Wind Advisories in 2012

Wind Advisory 7, NWS Brownsville, TX

March 1, 2012Cameron County, Kenedy County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Mar 1, 2012, 4:13 AM CST for Cameron County, Kenedy County, Willacy County, Texas. It took effect at Mar 1, 2012, 11:00 AM CST. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
Mar 1, 2012, 4:13 AM CST (10:13 UTC)
In effect from
Mar 1, 2012, 11:00 AM CST
Expired
Mar 1, 2012, 11:17 AM CST
In force
17 min
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 10:12 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 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 2012-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 206 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 2012-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 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
206 J/kg
Mixed-layer CIN
-504 J/kg
Mixed-layer LCL
1424 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
146 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.

661 
WWUS74 KBRO 011013
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
413 AM CST THU MAR 1 2012

...WINDY CONDITIONS EXPECTED LATER TODAY...

.NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE A SOUTHERLY LOW
LEVEL JET OF UP TO 40 MPH BETWEEN 1000 TO 4000 FEET ABOVE THE
SURFACE THIS MORNING. AFTERNOON HEATING SHOULD ALLOW FOR A PORTION OF
THESE STRONGER WINDS TO MIX TO THE SURFACE THROUGH MID AFTERNOON.
THE LOW LEVEL JET WEAKENS AND SHIFTS OFFSHORE LATER THIS
AFTERNOON.

TXZ251-254>257-011815-
/O.NEW.KBRO.WI.Y.0007.120301T1700Z-120302T0000Z/
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
413 AM CST THU MAR 1 2012

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

* TIMING...SUSTAINED SOUTH WINDS OF 25 TO 35 MPH AND GUSTS UP TO 40 MPH
  ARE EXPECTED BETWEEN 11 AM AND 6 PM TODAY.


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
758 
WWUS74 KBRO 011717
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1117 AM CST THU MAR 1 2012

...AFTERNOON WINDS A LITTLE LOWER THAN ON THURSDAY FOR THE LOWER VALLEY...

.THE DIFFERENCE BETWEEN HIGH PRESSURE IN THE CENTRAL GULF AND LOW
PRESSURE IN THE LEE OF THE SIERRA MADRE IS A BIT LESS THAN THIS
TIME WEDNESDAY...LEADING TO BREEZY RATHER THAN WINDY CONDITIONS
ACROSS THE HIGHWAY 77 CORRIDOR FROM CAMERON COUNTY THROUGH THE
KING RANCH.  

TXZ251-254>257-011830-
/O.CAN.KBRO.WI.Y.0007.000000T0000Z-120302T0000Z/
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
1117 AM CST THU MAR 1 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE
WIND ADVISORY. 

SURFACE WINDS AND WINDS UP TO 3000 FEET ABOVE THE SURFACE WILL
REMAIN BELOW 30 MPH THROUGH THE AFTERNOON ACROSS THE RIO GRANDE
VALLEY. SPEEDS WILL RANGE FROM 20 TO 25 MPH WITH GUSTS BETWEEN 30
AND 35 MPH ALONG THE HIGHWAY 77 CORRIDOR THROUGH SUNSET.  

THOUGH RATHER BREEZY...THESE SPEEDS ARE MORE COMMON THAN THE
STRONGER WINDS EXPERIENCED ON WEDNESDAY...AND WILL CAUSE LITTLE
IMPACT ON DRIVERS OF HIGH PROFILE VEHICLES OR UNFASTENED LIGHT
WEIGHT OBJECTS.

$$

52/BSG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 3:53 AM CSTSmall Craft Advisory for WindsBRO14 hr

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.