Alert archive / Texas / Wind Advisories in 2012

Wind Advisory 8, NWS Brownsville, TX

March 3, 20128 counties in Texas

NWS Brownsville, TX issued this wind advisory at Mar 3, 2012, 4:48 AM CST for 8 counties in Texas. It took effect at Mar 3, 2012, 9:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 3, 2012, 4:48 AM CST (10:48 UTC)
In effect from
Mar 3, 2012, 9:00 AM CST
Expired
Mar 3, 2012, 8:55 AM CST
In force
Issued by
NWS Brownsville, TX

Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Jim Hogg County, TX, Kenedy County, TX, Starr County, TX, Willacy County, TX, Zapata County, TX

The radar

The Brownsville radar (KBRO), 118 km from the middle of the area, began a volume at 10:50 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, 10.8 hours before the alert went out and 120 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 2012-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2005 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.19395878Sfc1 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
2005 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
806 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
-48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

433 
WWUS74 KBRO 031048
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
448 AM CST SAT MAR 3 2012

...STRONG NORTH WINDS EXPECTED ACROSS DEEP SOUTH TEXAS TODAY...

.THE PASSAGE OF A COLD FRONT ACROSS DEEP SOUTH TEXAS EARLY THIS
MORNING WILL ALLOW STRONG NORTH WINDS TO SPREAD ACROSS THE REGION
TODAY. THESE STRONG NORTH WINDS WILL PERSIST THROUGHOUT THE
AFTERNOON HOURS EVENTUALLY DIMINISHING AFTER SUNSET.

TXZ248>257-031900-
/O.NEW.KBRO.WI.Y.0008.120303T1500Z-120304T0000Z/
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS...
SARITA...RIO GRANDE CITY...ROMA...MCALLEN...EDINBURG...PHARR...
MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN...
PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
448 AM CST SAT MAR 3 2012

...WIND ADVISORY IN EFFECT FROM 9 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 9 AM THIS MORNING TO 6 PM CST
THIS EVENING. 

* TIMING...STRONG NORTH WINDS DEVELOPING IN THE WAKE OF A COLD
  FRONT MOVING THROUGH THE AREA THIS MORNING WILL RANGE FROM 25 TO
  35 MPH BY THE MID TO LATE MORNING HOURS. THESE NORTH WINDS WILL
  PERSIST THROUGHOUT THE AFTERNOON HOURS EVENTUALLY DECREASING
  AFTER SUNSET THIS EVENING.

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.

&&

$$

SPEECE
1 follow-up statement
110 
WWUS74 KBRO 031455
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
855 AM CST SAT MAR 3 2012

...NORTH WINDS BEHIND FRONT LOWER THAN ANTICIPATED ACROSS THE
LOWER VALLEY...

.COLD FRONT MOVED THROUGH THE VALLEY EARLY THIS MORNING AND NORTH 
WINDS BEHIND THE FRONT ARE A BIT LESS THAN ANTICIPATED LEADING TO 
BREEZY CONDITIONS ACROSS THE RIO GRANDE VALLEY. 

TXZ248>257-031600-
/O.CAN.KBRO.WI.Y.0008.120303T1500Z-120304T0000Z/
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS...
SARITA...RIO GRANDE CITY...ROMA...MCALLEN...EDINBURG...PHARR...
MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN...
PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
855 AM CST SAT MAR 3 2012

...WIND ADVISORY IS CANCELLED...

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

NORTH WINDS BEHIND THE FRONT WILL REMAIN BELOW 30 MPH THROUGH THE
AFTERNOON ACROSS THE RIO GRANDE VALLEY. BREEZY CONDITIONS WILL
REMAIN THROUGH THE DAY WITH GUSTS UP TO 30 MPH AS OVERCAST SKIES
MOVE SOUTH BECOMING CLEAR LATE THIS AFTERNOON. WINDS WILL DIMINISH 
EARLY IN THE EVENING. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 4:37 AM CSTRed Flag WarningBROBrooks, Hidalgo, Jim Hogg, Starr, Zapata13 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.