Alert archive / Texas / Winter Storm Watches in 2011

Winter Storm Watch 1, NWS Brownsville, TX

February 2, 20115 counties in Texas

NWS Brownsville, TX issued this winter storm watch at Feb 2, 2011, 12:49 PM CST for 5 counties in Texas. It took effect at Feb 3, 2011, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 2, 2011, 12:49 PM CST (18:49 UTC)
In effect from
Feb 3, 2011, 12:00 PM CST
Expired
Feb 2, 2011, 9:07 PM CST
In force
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 18:52 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

Del Rio, TX (KDRT), launched 12:00Z, 6.8 hours before the alert went out and 428 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, Del Rio, TX at 12:00Z on 2011-02-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2011-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1359 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
592 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this winter storm watch went out at Feb 2, 9:12 AM CST, 3 hours 37 minutes earlier.

Area forecast discussion, Feb 2, 9:12 AM CST, 3 hours 37 minutes before
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Hazardous weather outlook, Feb 2, 5:43 AM CST, 7 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
543 AM CST WED FEB 2 2011

TXZ248>255-031200-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-
543 AM CST WED FEB 2 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.

A HARD FREEZE WARNING IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS
EXCEPT FOR THE COASTAL PORTIONS OF CAMERON AND WILLACY COUNTIES
THROUGH NOON TODAY. A WIND CHILL WARNING IS IN EFFECT FOR ALL OF
DEEP SOUTH TEXAS THROUGH THIS MORNING. A HARD FREEZE WATCH IS IN
EFFECT BEGINNING AT 6 PM CST THIS EVENING THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

A HARD FREEZE WATCH IS IN EFFECT THROUGH THURSDAY AFTERNOON. A
WIND CHILL WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS
THROUGH THURSDAY AFTERNOON. ADDITIONAL HARD FREEZE WARNINGS WILL
LIKELY BE NEEDED THURSDAY...THURSDAY NIGHT...AND FRIDAY NIGHT. SNOW AS
WELL AS SLEET AND POSSIBLY ICE ADVISORIES WILL LIKELY BE NEEDED
FOR PORTIONS OF DEEP SOUTH TEXAS THURSDAY THROUGH FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

GMZ130-132-135-150-155-170-175-031200-
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX-
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO
60 NM-
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO
60 NM-
543 AM CST WED FEB 2 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE GULF OF MEXICO AND THE
LAGUNA MADRE.

.DAY ONE...TODAY AND TONIGHT.

A SMALL CRAFT ADVISORY FOR WINDS IS IN EFFECT FOR THE LAGUNA MADRE
THROUGH 6 PM THIS EVENING. A SMALL CRAFT ADVISORY IS IN EFFECT FOR
THE GULF OF MEXICO WATERS EAST OF PADRE ISLAND THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE OFFSHORE GULF OF
MEXICO COASTAL WATERS EAST OF PADRE ISLAND THROUGH 3 PM THURSDAY.
ADDITIONAL SMALL CRAFT ADVISORIES WILL BE NEEDED FOR THE OFFSHORE
GULF OF MEXICO COASTAL WATERS THROUGH FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

TXZ256-257-031200-
COASTAL WILLACY-COASTAL CAMERON-
543 AM CST WED FEB 2 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.

A FREEZE WARNING IS IN EFFECT THROUGH NOON TODAY. A WIND CHILL
WARNING IS IN EFFECT THROUGH THIS MORNING. A FREEZE WATCH IS IN
EFFECT THIS EVENING AND OVERNIGHT TONIGHT. A WIND CHILL WATCH IS
IN EFFECT THIS EVENING AND OVERNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

A FREEZE WATCH IS IN EFFECT THURSDAY MORNING THROUGH THURSDAY
AFTERNOON. A WIND CHILL WATCH IS IN EFFECT THROUGH THURSDAY
AFTERNOON. ADDITIONAL FREEZE WARNINGS WILL LIKELY BE NEEDED
THURSDAY NIGHT...AND FRIDAY NIGHT. SNOW AS WELL AS SLEET AND
POSSIBLY ICE ADVISORIES MAY BE NEEDED THURSDAY THROUGH FRIDAY
MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 7:54 AM CSTFreeze WarningBRO52 hr
Feb 2, 7:54 AM CSTHard Freeze WarningBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more52 hr
Feb 2, 8:03 AM CSTWind Chill WarningBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more51 hr
Feb 2, 3:56 PM CSTSmall Craft Advisory for WindsBRO50 hr

Nearby

Winter Storm Watches in Texas, 2011Every winter storm watch 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.