Alert archive / Texas / Winter Storm Warnings in 2011

Winter Storm Warning 1, NWS Brownsville, TX

February 2, 20118 counties in Texas

NWS Brownsville, TX issued this winter storm warning at Feb 2, 2011, 9:07 PM CST for 8 counties in Texas. It took effect at Feb 3, 2011, 10:23 AM CST. It was in force for 25 hr. 37 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 2, 2011, 9:07 PM CST (03:07 UTC)
In effect from
Feb 3, 2011, 10:23 AM CST
Expired
Feb 4, 2011, 11:27 AM CST
In force
25 hr
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 03:10 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.

What was reported inside it

TimeReportWhereRemark
Feb 3, 3:13 PM CSTFREEZING RAIN 0Weslaco, TXPUBLIC REPORTED FREEZING RAIN AND SNOW FLURRIES IN INTERVALS. LIGHT DUSTING OF ICE ALSO OBSERVED ON WINDSHIELDS. TEMPERATURE 27 DEGREES.
Feb 3, 3:45 PM CSTFREEZING RAIN 0Raymondville, TXWILLACY COUNTY EMERGENCY MANAGER REPORTS LIGHT FREEZING DRIZZLE IN RAYMONDVILLE. ICE ACCUMULATION BEGINNING TO OCCUR ON OVERPASSES. TXDOT SPREADING SAND ON OVERPASSES AND THEY REMAIN OPEN AT THIS TIME.
Feb 3, 3:45 PM CSTFREEZING RAIN 0Weslaco, TXWESLACO EMERGENCY MANAGER REPORTS A TRACE OF FREEZING DRIZZLE ON CAR WINDSHIELDS. PASEO DEL NORTE OVERPASS IN THE VICINITY OF KRGV-TV5 STUDIOS WILL BE CLOSED AT 4PM IN ANTICIPATION OF ADDITIONAL FREEZING PRECIPITATION.
Feb 3, 4:23 PM CSTFREEZING RAIN 0Port Isabel, TXCAMERON COUNTY EMERGENCY MANAGER REPORTS LIGHT FREEZING DRIZZLE ON EXPOSED SURFACES IN PORT ISABEL. PAREDES LINE ROAD SHUT DOWN FROM FM 511 TO ALTON GLOOR DUE TO ICY PATCHES AND PREVIOUS 4-6 CAR PILEUP.
Feb 3, 4:38 PM CSTFREEZING RAIN 0Brownsville, TXBROWNSVILLE EMERGENCY MANAGER REPORTS FREEZING DRIZZLE IN CITY OF BROWNSVILLE. TRAFFIC ACCIDENTS OCCURRING AT THE RATE OF ONE EVERY TWO MINUTES. NUMEROUS TRAFFIC ACCIDENTS OCCURRING ON OVERPASSES OF FM 511...HIGHWAY 48...AND PAREDES LINE ROAD.
Feb 3, 4:46 PM CSTFREEZING RAIN 0Brownsville, TXHEAVY FREEZING DRIZZLE OCCURRING AT BROWNSVILLE NATIONAL WEATHER SERVICE STATION. VISIBLE ICE ON VEHICLES...TREES AND PLANTS. TEMPERATURE 29 DEGREES.
Feb 3, 4:51 PM CSTFREEZING RAIN 0Mcallen, TXPUBLIC REPORTED LIGHT FREEZING DRIZZLE BEGINNING TO FORM ON WINDSHIELD ON JACKSON ROAD.
Feb 3, 5:00 PM CSTFREEZING RAIN 0Mcallen, TXSLEET AND FREEZING RAIN CONTINUES TO DEVELOP AND BEGINNING TO STICK ON CARS IN THE AREA.
Feb 3, 5:13 PM CSTFREEZING RAIN 0Weslaco, TXWESLACO EMERGENCY MANAGER REPORTS ICE ACCUMULATING ON EXPRESSWAY 83 BETWEEN DONNA AND WESLACO. ONE AUTOMOBILE ACCIDENT HAS RESULTED FROM ICY CONDITIONS.
Feb 3, 5:28 PM CSTFREEZING RAIN 0Raymondville, TXWILLACY COUNTY EMERGENCY MANAGER REPORTS MODERATE FREEZING RAIN WITH MULTIPLE VEHICLE ACCIDENTS. TXDOT IS IN THE PROCESS OF CLOSING EXPRESSWAY 77 THROUGH WILLACY COUNTY AT THIS TIME.
Feb 3, 7:16 PM CSTFREEZING RAIN 0Falfurrias, TXBROOKS COUNTY EMERGENCY MANAGER REPORTS FREEZING DRIZZLE WITH ACCRETION ON EXPOSED SURFACES. PRECIPITATION BEGAN ABOUT 6PM.
Feb 3, 7:16 PM CSTFREEZING RAIN 0Sarita, TXBORDER PATROL CHECKPOINT IN SARITA REPORTS LIGHT FREEZING DRIZZLE. PRECIPITATION BEGAN AT 530PM.
Feb 3, 7:57 PM CSTFREEZING RAIN 0Weslaco, TXWESLACO EMERGENCY MANAGER REPORTS 17 VEHICLE ACCIDENTS IN CITIES OF WESLACO AND DONNA COMBINED BETWEEN 430PM AND 7PM. NO FATALITIES OR SERIOUS INJURIES.
Feb 3, 7:57 PM CSTFREEZING RAIN 0Zapata, TXZAPATA COUNTY EMERGENCY MANAGER REPORTS ICING ON BRIDGES AND WINDSHIELDS THAT BEGAN AROUND 730PM. ALREADY 5 VEHICLE ACCIDENTS. TXDOT TO BEGIN SANDING BRIDGES SHORTLY.
Feb 3, 8:12 PM CSTSLEET 0Hebbronville, TXJIM HOGG COUNTY EMERGENCY MANAGER REPORTS LIGHT SLEET BEGAN ABOUT 630PM OR 7PM.
Feb 3, 8:12 PM CSTSLEET 0Rio Grande City, TXSTARR COUNTY EMERGENCY MANAGER REPORTS SLEET WITH FREEZING RAIN. TEMPERATURE 27 DEGREES.
Feb 3, 8:20 PM CSTFREEZING RAIN 05 W Port Mansfield, TX*** 1 FATAL, 1 INJ *** WILLACY COUNTY EMERGENCY MANAGER REPORTS A VEHICLE ROLLOVER ON HIGHWAY 186 BETWEEN PORT MANSFIELD AND RAYMONDVILLE. MULTIPLE PERSONS EJECTED FROM VEHICLE. ONE CONFIRMED FATALITY AND CRITICAL INJURY.
Feb 3, 8:20 PM CSTFREEZING RAIN 0Raymondville, TXWILLACY COUNTY EMERGENCY MANAGER REPORTS HALF OF RAYMONDVILLE EXPERIENCING BROWNOUT. AMBULANCE SERVICES POSSIBLY WILL BE SUSPENDED DUE TO FRONTAGE ROADS BECOMING VERY ICY.
Feb 3, 8:31 PM CSTSLEET 0Rio Grande City, TXSLLET TURNING TO ICE IN THE AREA MIXED WITH FREEZING RAIN. SOME CARS STALLED ON SIDE OF ROAD.
Feb 3, 8:40 PM CSTFREEZING RAIN 0Brownsville, TXCAMERON COUNTY EMERGENCY MANAGER REPORTS POWER OUTAGE ALONG SECTION OF ALTON GLOOR BLVD. ALSO POWER OUTAGES IN PORTIONS OF HARLINGEN AND SANTA ROSA.
Feb 3, 9:20 PM CSTFREEZING RAIN 0Raymondville, TXWILLACY COUNTY EMERGENCY MANAGER REPORTS A TOTAL OF 20 VEHICLE ACCIDENTS BETWEEN 5PM AND 9PM TONIGHT DUE TO ICY ROADS.
Feb 3, 9:59 PM CSTFREEZING RAIN 0Weslaco, TXPUBLIC REPORTS STEADY FREEZING RAIN IN WESLACO.
Feb 3, 9:59 PM CSTFREEZING RAIN 0.25Brownsville, TXAPPROXIMATELY 1/4 OF AN INCH OF ICE ACCUMULATED ON VEHICLES PARKED AT BROWNSVILLE NATIONAL WEATHER SERVICE OFFICE PARKING LOT.
Feb 3, 9:59 PM CSTFREEZING RAIN 1Brownsville, TXAPPROXIMATELY 1/4 OF AN INCH OF ICE ACCUMULATED ON VEHICLES PARKED AT BROWNSVILLE NATIONAL WEATHER SERVICE OFFICE PARKING LOT.
Feb 4, 2:17 AM CSTFREEZING RAIN 0.38Brownsville, TXICE ACCUMULATION TO THREE EIGTHS OF AN INCH AT NWS OFFICE AT BROWNSVILLE INTERNATIONAL AIRPORT.
Feb 4, 3:00 AM CSTSNOW 1Roma, TXONE INCH OF SNOW REPORTED BY LOCAL MEDIA WITH SLEET AND ICE GLAZE.
Feb 4, 3:24 AM CSTFREEZING RAIN 0Hebbronville, TXFM 1017 CLOSED DUE TO ICE.
Feb 4, 6:00 AM CSTFREEZING RAIN 0.25Mcallen, TXICE ACCUMULATED TO AN EIGTH OF AN INCH ON LOW LYING SURFACES TO A QUARTER OF AN INCH ON ELEVATED SURFACES.
Feb 4, 6:00 AM CSTFREEZING RAIN 0.5Raymondville, TXICE ACCUMULATION OF AN EIGHTH OF AN INCH ON MOST ROADS TO HALF AN INCH ON ELEVATED ROADS AND OVERPASSES.
Feb 4, 6:00 AM CSTFREEZING RAIN 1Brownsville, TXTRACE OF SNOW REPORTED BY LOCAL MEDIA WITH SLEET AND ICE GLAZE DOWNTOWN AREA.
Feb 4, 6:00 AM CSTFREEZING RAIN 1Harlingen, TXICE ACCUMULATIONS OF A QUARTER TO HALF AN INCH ON ELEVATED ROADS AND OVERPASSES AND THREE QUARTERS OF AN INCH TO AN INCH ON TREES AND ELEVATED OBJECTS.
Feb 4, 6:00 AM CSTFREEZING RAIN 1.5Brownsville, TXICE ACCUMULATIONS OF 1.25 TO 1.50 INCHES ON ELEVATED TOWER NEXT TO BRONSVILLE PUBLIC LIBRARY ON CENTRAL BLVD.
Feb 4, 8:51 AM CSTFREEZING RAIN 0.25La Joya, TXONE QUARTER INCH ICE ACCUMULATION... COVERING ALL PLANTS AND EXPOSED SURFACES.
Feb 4, 8:55 AM CSTFREEZING RAIN 0.25Mccook, TXONE EIGHTH TO ONE QUARTER INCH ICE AND SLEET COVERING ALL SURFACES.
Feb 4, 8:59 AM CSTFREEZING RAIN 0.257 E Sarita, TXONE EIGHTH TO ONE QUARTER INCH ICE COVERING ALL SURFACES.
Feb 4, 9:00 AM CSTFREEZING RAIN 1Brownsville, TXICE ACCUMULATION TO ONE INCH ON MORNINGSIDE PARK SIGN AT RUBEN TORRES AND CENTRAL AVE.
Feb 4, 9:20 AM CSTFREEZING RAIN 1Weslaco, TXWESLACO EM REPORTS FM 88 AND FM 493 CLOSED DUE TO 1 INCH ICE ACCUMULATION OVER FLOODWAY. SEVERAL ACCIDENTS HAVE BEEN REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 3.1 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 2011-02-03Temperature 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, Brownsville Intl, TX at 00:00Z on 2011-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897Sfc1 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
1233 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
458 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.

842 
WWUS44 KBRO 030307
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
907 PM CST WED FEB 2 2011

...FROZEN PRECIPITATION EXPECTED ACROSS DEEP SOUTH TEXAS...

.VERY COLD ARCTIC AIR FROM CANADA IS NOW IN PLACE ACROSS ALL OF
DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY. THIS AIR WILL COMBINE
WITH MODERATE WINDS FROM THE NORTH TO PRODUCE DANGEROUS WIND CHILL
VALUES FROM NOW THROUGH LATE FRIDAY MORNING. ALSO...THE APPROACH
OF A DISTURBANCE IN THE MIDDLE LAYERS OF THE ATMOSPHERE FROM THE
WEST...COMBINED WITH THE FORMATION OF A TROUGH OF LOW PRESSURE AT
THE SURFACE ALONG THE LOWER TEXAS COAST...WILL PRODUCE SOME FROZEN
PRECIPITATION IN THE FORM OF SNOW...SLEET...AND FREEZING RAIN...
MAINLY FROM THE AFTERNOON HOURS OF THURSDAY THROUGH THE MORNING
HOURS OF FRIDAY.

TXZ250-251-253>257-031115-
/O.UPG.KBRO.WS.A.0001.110203T1800Z-110204T1500Z/
/O.NEW.KBRO.WS.W.0001.110203T1800Z-110204T1800Z/
/O.EXT.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
BROOKS-KENEDY-HIDALGO-INLAND WILLACY-INLAND CAMERON-
COASTAL WILLACY-COASTAL CAMERON-
INCLUDING THE CITIES OF...FALFURRIAS...SARITA...MCALLEN...
EDINBURG...PHARR...MISSION...WESLACO...RAYMONDVILLE...
BROWNSVILLE...HARLINGEN...PORT MANSFIELD...PORT ISABEL...
SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA
907 PM CST WED FEB 2 2011

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST FRIDAY...
...WINTER STORM WARNING IN EFFECT FROM NOON THURSDAY TO NOON CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WINTER
STORM WARNING FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS IN
EFFECT FROM NOON THURSDAY TO NOON CST FRIDAY FOR ALL OF DEEP SOUTH
TEXAS. THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL NOON CST
FRIDAY. 

A LOW PRESSURE SYSTEM IN THE MIDDLE LAYERS OF THE ATMOSPHERE WILL
GRADUALLY MOVE FROM THE TEXAS BIG BEND TO THE NORTHEAST CORNER OF
THE LONE STAR STATE FROM THURSDAY AFTERNOON TO FRIDAY AFTERNOON.
THE APPROACH OF THIS DISTURBANCE...COMBINED WITH THE FORMATION OF
A SURFACE TROUGH OF LOW PRESSURE ALONG THE LOWER TEXAS COAST...
WILL PRODUCE FROZEN PRECIPITATION ACROSS DEEP SOUTH TEXAS AND THE
RIO GRANDE VALLEY IN THE FORM OF SNOW...SLEET...AND FREEZING RAIN.

SNOW...SLEET...AND FREEZING RAIN WILL BEGIN DEVELOPING AROUND NOON
THURSDAY EAST OF THE HIGHWAY 281 CORRIDOR THAT RUNS FROM MCALLEN
TO FALFURRIAS. WEST OF THIS CORRIDOR...SNOW AND SLEET ARE LIKELY.
THE FROZEN PRECIPITATION WILL INTENSIFY FOR THURSDAY NIGHT INTO
FRIDAY MORNING...WITH SNOW...SLEET...AND FREEZING RAIN CONTINUING
EAST OF THE HIGHWAY 281 CORRIDOR...AND SNOW AND SLEET WEST OF THE
CORRIDOR. UP TO AN INCH OF SNOW AND ICE ACCUMULATION WILL BE
POSSIBLE EAST OF THE HIGHWAY 281 CORRIDOR...WITH UP TO A HALF 
INCH POSSIBLE WEST OF THE HIGHWAY 281 CORRIDOR.

ALSO...MODERATE WINDS FROM THE NORTH WILL COMBINE WITH COLD ARCTIC
AIR ALREADY IN PLACE TO PRODUCE WIND CHILL VALUES BETWEEN 5 AND 15
DEGREES TONIGHT AND THURSDAY NIGHT...AND BETWEEN 15 AND 25 DEGREES
THURSDAY AND FRIDAY. 

RESIDENTS OF SOUTH TEXAS SHOULD PREPARE NOW FOR HAZARDOUS TRAVEL
CONDITIONS LIKELY THURSDAY AFTERNOON THROUGH FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS. PERSONS NOT
ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE IF NOT
PROTECTED...AND COULD DIE.

A WINTER STORM WARNING IS ISSUED WHEN DANGEROUS WINTER WEATHER IS
IMMINENT. SNOW ACCUMULATIONS OF AT LEAST ONE INCH ON ROADS OR
WALKWAYS...AT LEAST ONE HALF INCH OF SLEET ACCUMULATION...OR ICE
ACCRETION OF ONE EIGHTH INCH OR MORE ON EXPOSED SURFACES.
HAZARDOUS DRIVING CONDITIONS WILL RESULT. PERSONS WITH TRAVEL
PLANS IN THE WARNING AREA ARE STRONGLY ENCOURAGED TO POSTPONE THEM
UNTIL CONDITIONS IMPROVE.

&&

$$

TXZ248-249-252-031115-
/O.NEW.KBRO.WS.W.0001.110203T1800Z-110204T1800Z/
/O.EXT.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
ZAPATA-JIM HOGG-STARR-
INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...
RIO GRANDE CITY...ROMA
907 PM CST WED FEB 2 2011

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST FRIDAY...
...WINTER STORM WARNING IN EFFECT FROM NOON THURSDAY TO NOON CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WINTER
STORM WARNING FOR SNOW...SLEET...AND FREEZING RAIN...WHICH IS IN
EFFECT FROM NOON THURSDAY TO NOON CST FRIDAY FOR ALL OF DEEP SOUTH
TEXAS. THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL NOON CST
FRIDAY.

A LOW PRESSURE SYSTEM IN THE MIDDLE LAYERS OF THE ATMOSPHERE WILL
GRADUALLY MOVE FROM THE TEXAS BIG BEND TO THE NORTHEAST CORNER OF
THE LONE STAR STATE FROM THURSDAY AFTERNOON TO FRIDAY AFTERNOON.
THE APPROACH OF THIS DISTURBANCE...COMBINED WITH THE FORMATION OF
A SURFACE TROUGH OF LOW PRESSURE ALONG THE LOWER TEXAS COAST...
WILL PRODUCE FROZEN PRECIPITATION ACROSS DEEP SOUTH TEXAS AND THE
RIO GRANDE VALLEY IN THE FORM OF SNOW...SLEET...AND FREEZING RAIN.

SNOW...SLEET...AND FREEZING RAIN WILL BEGIN DEVELOPING AROUND NOON
THURSDAY EAST OF THE HIGHWAY 281 CORRIDOR THAT RUNS FROM MCALLEN
TO FALFURRIAS. WEST OF THIS CORRIDOR...SNOW AND SLEET ARE LIKELY.
THE FROZEN PRECIPITATION WILL INTENSIFY FOR THURSDAY NIGHT INTO
FRIDAY MORNING...WITH SNOW...SLEET...AND FREEZING RAIN CONTINUING
EAST OF THE HIGHWAY 281 CORRIDOR...AND SNOW AND SLEET WEST OF THE
CORRIDOR. UP TO AN INCH OF SNOW AND ICE ACCUMULATION WILL BE
POSSIBLE EAST OF THE HIGHWAY 281 CORRIDOR...WITH UP TO A HALF 
INCH POSSIBLE WEST OF THE HIGHWAY 281 CORRIDOR.

ALSO...MODERATE WINDS FROM THE NORTH WILL COMBINE WITH COLD ARCTIC
AIR ALREADY IN PLACE TO PRODUCE WIND CHILL VALUES BETWEEN 5 AND 15
DEGREES TONIGHT AND THURSDAY NIGHT...AND BETWEEN 15 AND 25 DEGREES
THURSDAY AND FRIDAY. 

RESIDENTS OF SOUTH TEXAS SHOULD PREPARE NOW FOR HAZARDOUS TRAVEL
CONDITIONS LIKELY THURSDAY AFTERNOON THROUGH FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS. PERSONS NOT
ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE IF NOT
PROTECTED...AND COULD DIE.

A WINTER STORM WARNING IS ISSUED WHEN DANGEROUS WINTER WEATHER IS
IMMINENT. SNOW ACCUMULATIONS OF AT LEAST ONE INCH ON ROADS OR
WALKWAYS...AT LEAST ONE HALF INCH OF SLEET ACCUMULATION...OR ICE
ACCRETION OF ONE EIGHTH INCH OR MORE ON EXPOSED SURFACES.
HAZARDOUS DRIVING CONDITIONS WILL RESULT. PERSONS WITH TRAVEL
PLANS IN THE WARNING AREA ARE STRONGLY ENCOURAGED TO POSTPONE THEM
UNTIL CONDITIONS IMPROVE.

&&

$$

TOMASELLI
5 follow-up statements
560 
WWUS44 KBRO 031059
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
459 AM CST THU FEB 3 2011

...FROZEN PRECIPITATION EXPECTED ACROSS DEEP SOUTH TEXAS...

.VERY COLD ARCTIC AIR FROM CANADA IS NOW IN PLACE ACROSS ALL OF
DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY. THIS AIR WILL COMBINE
WITH MODERATE WINDS FROM THE NORTH TO PRODUCE DANGEROUS WIND
CHILL VALUES FROM NOW THROUGH LATE FRIDAY MORNING. ALSO...THE
APPROACH OF A DISTURBANCE IN THE MIDDLE LAYERS OF THE ATMOSPHERE
FROM THE WEST...COMBINED WITH THE FORMATION OF A TROUGH OF LOW
PRESSURE AT THE SURFACE ALONG THE LOWER TEXAS COAST...WILL
PRODUCE SOME FROZEN PRECIPITATION IN THE FORM OF SNOW...SLEET...
AND FREEZING RAIN...MAINLY FROM THE AFTERNOON HOURS OF THURSDAY
THROUGH THE MORNING HOURS OF FRIDAY.

TXZ248>257-031900-
/O.CON.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
/O.CON.KBRO.WS.W.0001.110203T1800Z-110204T1800Z/
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
459 AM CST THU FEB 3 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO NOON
CST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY. A
WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO NOON
CST FRIDAY. 

A LOW PRESSURE SYSTEM IN THE MIDDLE LAYERS OF THE ATMOSPHERE WILL
GRADUALLY MOVE FROM WEST TEXAS TO THE NORTHEAST CORNER OF THE
LONE STAR STATE BY FRIDAY AFTERNOON. THE APPROACH OF THIS
DISTURBANCE...COMBINED WITH THE FORMATION OF A SURFACE TROUGH OF
LOW PRESSURE ALONG THE LOWER TEXAS COAST...WILL PRODUCE FROZEN 
PRECIPITATION ACROSS DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY
IN THE FORM OF SNOW...SLEET...AND FREEZING RAIN.

SNOW...SLEET...AND FREEZING RAIN WILL BEGIN DEVELOPING AROUND
NOON TODAY EAST OF THE HIGHWAY 281 CORRIDOR. WEST OF THIS CORRIDOR...
SNOW AND SLEET ARE LIKELY. THE FROZEN PRECIPITATION WILL INTENSIFY
LATER TONIGHT INTO FRIDAY MORNING...WITH SNOW...SLEET...AND
FREEZING RAIN CONTINUING EAST OF THE HIGHWAY 281 CORRIDOR...AND
SNOW AND SLEET WEST OF THE CORRIDOR. UP TO AN INCH OF SNOW AND ICE
ACCUMULATION WILL BE POSSIBLE EAST OF THE HIGHWAY 281 CORRIDOR...
WITH UP TO A HALF INCH POSSIBLE WEST OF THE HIGHWAY 281 CORRIDOR.

ALSO...MODERATE WINDS FROM THE NORTH WILL COMBINE WITH COLD
ARCTIC AIR ALREADY IN PLACE OVER THE REGION TO PRODUCE WIND CHILL
VALUES IN THE LOWER TO MIDDLE 20S BY THIS AFTERNOON WITH THE WIND
CHILL VALUES FALLING INTO THE TEENS TONIGHT.

RESIDENTS OF SOUTH TEXAS SHOULD PREPARE NOW FOR HAZARDOUS TRAVEL
CONDITIONS DEVELOPING THURSDAY AFTERNOON AND EVENING AND
CONTINUING THROUGH FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS. PERSONS NOT
ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE IF
NOT PROTECTED...AND COULD DIE.

A WINTER STORM WARNING IS ISSUED WHEN DANGEROUS WINTER WEATHER IS
IMMINENT. SNOW ACCUMULATIONS OF AT LEAST ONE INCH ON ROADS OR
WALKWAYS...AT LEAST ONE HALF INCH OF SLEET ACCUMULATION...OR ICE
ACCRETION OF ONE EIGHTH INCH OR MORE ON EXPOSED SURFACES.
HAZARDOUS DRIVING CONDITIONS WILL RESULT. PERSONS WITH TRAVEL
PLANS IN THE WARNING AREA ARE STRONGLY ENCOURAGED TO POSTPONE
THEM UNTIL CONDITIONS IMPROVE.

&&

$$
344 
WWUS44 KBRO 031623
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1023 AM CST THU FEB 3 2011

...FROZEN PRECIPITATION EXPECTED ACROSS DEEP SOUTH TEXAS...

.VERY COLD ARCTIC AIR FROM CANADA IS NOW IN PLACE ACROSS ALL OF
DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY. THIS AIR WILL COMBINE
WITH MODERATE WINDS FROM THE NORTH TO PRODUCE DANGEROUS WIND
CHILL VALUES FROM NOW THROUGH LATE FRIDAY MORNING. ALSO...THE
APPROACH OF A DISTURBANCE IN THE MIDDLE LAYERS OF THE ATMOSPHERE
FROM THE WEST...COMBINED WITH THE FORMATION OF A TROUGH OF LOW
PRESSURE AT THE SURFACE ALONG THE LOWER TEXAS COAST...WILL
PRODUCE SOME FROZEN PRECIPITATION IN THE FORM OF SNOW...SLEET...
AND FREEZING RAIN...MAINLY FROM THE AFTERNOON HOURS OF THURSDAY
THROUGH THE MORNING HOURS OF FRIDAY.

TXZ248>257-040000-
/O.EXT.KBRO.WS.W.0001.110203T1623Z-110204T1800Z/
/O.CON.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
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
1023 AM CST THU FEB 3 2011

...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON CST FRIDAY...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A LOW PRESSURE SYSTEM IN THE MIDDLE LAYERS OF THE ATMOSPHERE WILL
GRADUALLY MOVE FROM WEST TEXAS TO THE NORTHEAST CORNER OF THE LONE
STAR STATE BY FRIDAY AFTERNOON. THE APPROACH OF THIS
DISTURBANCE...COMBINED WITH THE FORMATION OF A SURFACE TROUGH OF
LOW PRESSURE ALONG THE LOWER TEXAS COAST...WILL PRODUCE FROZEN
PRECIPITATION ACROSS DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY IN
THE FORM OF SNOW...SLEET...AND FREEZING RAIN.

SNOW...SLEET...AND FREEZING RAIN HAS ALREADY BEGUN TO
DEVELOP...ESPECIALLY IN THE LOWER VALLEY...AND WILL SLOWLY SPREAD
INLAND THROUGH THE AFTERNOON. THE FROZEN PRECIPITATION WILL
INTENSIFY LATER TONIGHT INTO FRIDAY MORNING...WITH SNOW...
SLEET...AND FREEZING RAIN CONTINUING EAST OF THE HIGHWAY 281
CORRIDOR...AND SNOW AND SLEET WEST OF THE CORRIDOR. UP TO AN INCH
OF SNOW AND ICE ACCUMULATION WILL BE POSSIBLE EAST OF THE HIGHWAY
281 CORRIDOR... WITH UP TO A HALF INCH POSSIBLE WEST OF THE
HIGHWAY 281 CORRIDOR.

ALSO...MODERATE WINDS FROM THE NORTH WILL COMBINE WITH COLD
ARCTIC AIR ALREADY IN PLACE OVER THE REGION TO PRODUCE WIND CHILL
VALUES IN THE LOWER TO MIDDLE 20S BY THIS AFTERNOON WITH THE WIND
CHILL VALUES FALLING INTO THE TEENS TONIGHT.

RESIDENTS OF SOUTH TEXAS SHOULD PREPARE NOW FOR HAZARDOUS TRAVEL
CONDITIONS DEVELOPING THURSDAY AFTERNOON AND EVENING AND
CONTINUING THROUGH FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS. PERSONS NOT
ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE IF
NOT PROTECTED...AND COULD DIE.

A WINTER STORM WARNING IS ISSUED WHEN DANGEROUS WINTER WEATHER IS
IMMINENT. SNOW ACCUMULATIONS OF AT LEAST ONE INCH ON ROADS OR
WALKWAYS...AT LEAST ONE HALF INCH OF SLEET ACCUMULATION...OR ICE
ACCRETION OF ONE EIGHTH INCH OR MORE ON EXPOSED SURFACES.
HAZARDOUS DRIVING CONDITIONS WILL RESULT. PERSONS WITH TRAVEL
PLANS IN THE WARNING AREA ARE STRONGLY ENCOURAGED TO POSTPONE
THEM UNTIL CONDITIONS IMPROVE.

&&

$$
806 
WWUS44 KBRO 032332
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
532 PM CST THU FEB 3 2011

...FROZEN PRECIPITATION DEVELOPING WITHIN DEEP SOUTH TEXAS...

.VERY COLD ARCTIC AIR FROM CANADA IS NOW IN PLACE ACROSS ALL OF
DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY. THIS AIR WILL COMBINE
WITH MODERATE WINDS FROM THE NORTH TO PRODUCE DANGEROUS WIND 
CHILL VALUES FROM NOW UNTIL NOON FRIDAY. ALSO...THE APPROACH OF A
DISTURBANCE IN THE MIDDLE LAYERS OF THE ATMOSPHERE FROM THE WEST...
COMBINED WITH THE FORMATION OF A TROUGH OF LOW PRESSURE AT THE
SURFACE ALONG THE LOWER TEXAS COAST...IS BEGINNING TO PRODUCE SOME
FROZEN PRECIPITATION IN THE FORM OF SNOW...SLEET...AND FREEZING
RAIN...AND WILL CONTINUE TO DO SO FROM NOW THROUGH THE MORNING
HOURS OF FRIDAY.

TXZ248>257-040800-
/O.CON.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
/O.CON.KBRO.WS.W.0001.000000T0000Z-110204T1800Z/
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
532 PM CST THU FEB 3 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY FOR
ALL OF DEEP SOUTH TEXAS. A WINTER STORM WARNING REMAINS IN EFFECT
UNTIL NOON CST FRIDAY ALSO FOR ALL OF DEEP SOUTH TEXAS.

SNOW...SLEET...AND FREEZING RAIN CONTINUES TO DEVELOP WITHIN DEEP
SOUTH TEXAS...ESPECIALLY IN THE LOWER RIO GRANDE VALLEY...AND 
WILL SLOWLY SPREAD INLAND THROUGH THE EVENING AND OVERNIGHT HOURS. 
THE FROZEN PRECIPITATION WILL INTENSIFY LATER TONIGHT INTO FRIDAY
MORNING...WITH SNOW...SLEET...AND FREEZING RAIN CONTINUING EAST
OF THE HIGHWAY 281 CORRIDOR...AND SNOW AND SLEET WEST OF THE
CORRIDOR. UP TO AN INCH OF SNOW AND ICE ACCUMULATION WILL BE
POSSIBLE EAST OF THE HIGHWAY 281 CORRIDOR...WITH UP TO A HALF 
INCH POSSIBLE WEST OF THE HIGHWAY 281 CORRIDOR.

ALSO...MODERATE WINDS FROM THE NORTH WILL COMBINE WITH COLD
ARCTIC AIR ALREADY IN PLACE OVER THE REGION TO PRODUCE WIND CHILL
VALUES BETWEEN 10 AND 20 DEGREES TONIGHT THROUGH FRIDAY MORNING.

RESIDENTS OF DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY SHOULD
PREPARE NOW FOR HAZARDOUS TRAVEL CONDITIONS DEVELOPING TONIGHT 
AND CONTINUING THROUGH FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS. PERSONS NOT
ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE IF
NOT PROTECTED...AND COULD DIE.

A WINTER STORM WARNING IS ISSUED WHEN DANGEROUS WINTER WEATHER IS
IMMINENT. SNOW ACCUMULATIONS OF AT LEAST ONE INCH ON ROADS OR
WALKWAYS...AT LEAST ONE HALF INCH OF SLEET ACCUMULATION...OR ICE
ACCRETION OF ONE EIGHTH INCH OR MORE ON EXPOSED SURFACES.
HAZARDOUS DRIVING CONDITIONS WILL RESULT. PERSONS WITH TRAVEL
PLANS IN THE WARNING AREA ARE STRONGLY ENCOURAGED TO POSTPONE
THEM UNTIL CONDITIONS IMPROVE.

&&

$$

TOMASELLI
650 
WWUS44 KBRO 040739
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
139 AM CST FRI FEB 4 2011

...FROZEN PRECIPITATION CONTINUES WITHIN DEEP SOUTH TEXAS...

.VERY COLD ARCTIC AIR FROM CANADA REMAINS IN PLACE ACROSS ALL OF
DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY. THIS AIR WILL COMBINE
WITH MODERATE WINDS FROM THE NORTH TO PRODUCE DANGEROUS WIND CHILL
VALUES FROM NOW UNTIL NOON TODAY. THE NORTHEAST MOVEMENT OF A LOW
PRESSURE SYSTEM IN THE MIDDLE LAYERS OF THE ATMOSPHERE OVER THE
LONE STAR STATE...COMBINED WITH THE PRESENCE OF A TROUGH OF LOW
PRESSURE AT THE SURFACE ALONG THE LOWER TEXAS COAST...WILL ALLOW
FROZEN PRECIPITATION IN THE FORM OF SNOW...SLEET...AND FREEZING
RAIN TO CONTINUE ACROSS DEEP SOUTH TEXAS FROM NOW THROUGH THE
MORNING HOURS OF TODAY. 

TXZ248>257-041545-
/O.CON.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
/O.CON.KBRO.WS.W.0001.000000T0000Z-110204T1800Z/
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
139 AM CST FRI FEB 4 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY ACROSS
ALL OF DEEP SOUTH TEXAS. A WINTER STORM WARNING REMAINS IN EFFECT
UNTIL NOON CST TODAY ALSO ACROSS ALL OF DEEP SOUTH TEXAS.

FROZEN PRECIPITATION CONTINUES TO DEVELOP WITHIN DEEP SOUTH TEXAS...
ESPECIALLY IN THE LOWER RIO GRANDE VALLEY...AND WILL PERSIST 
THROUGH THE MORNING HOURS OF TODAY. SNOW...SLEET...AND FREEZING
RAIN WILL CONTINUE EAST OF THE HIGHWAY 281 CORRIDOR...WITH MAINLY
SNOW AND SLEET WEST OF THE CORRIDOR. UP TO AN INCH OF SNOW AND ICE
ACCUMULATION WILL BE POSSIBLE EAST OF THE HIGHWAY 281 CORRIDOR...
WITH UP TO A HALF INCH POSSIBLE WEST OF THE HIGHWAY 281 CORRIDOR.

ALSO...MODERATE WINDS FROM THE NORTH WILL COMBINE WITH COLD ARCTIC
AIR ALREADY IN PLACE OVER THE REGION TO PRODUCE WIND CHILL VALUES
BETWEEN 10 AND 20 DEGREES THROUGH THIS MORNING.

RESIDENTS OF DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY SHOULD BE
PREPARED FOR...AND CAN EXPECT...HAZARDOUS TRAVEL CONDITIONS ON 
ROADS AND HIGHWAYS THROUGH THIS MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WIND CHILL INDEX VALUES ARE
EXPECTED TO FALL TO OR BELOW 20 FOR AT LEAST 3 HOURS. PERSONS NOT
ACCLIMATED TO THESE EXTREME VALUES MAY EXPERIENCE FROSTBITE IF
NOT PROTECTED...AND COULD DIE.

A WINTER STORM WARNING IS ISSUED WHEN DANGEROUS WINTER WEATHER IS
IMMINENT. SNOW ACCUMULATIONS OF AT LEAST ONE INCH ON ROADS OR
WALKWAYS...AT LEAST ONE HALF INCH OF SLEET ACCUMULATION...OR ICE
ACCRETION OF ONE EIGHTH INCH OR MORE ON EXPOSED SURFACES.
HAZARDOUS DRIVING CONDITIONS WILL RESULT. PERSONS WITH TRAVEL
PLANS IN THE WARNING AREA ARE STRONGLY ENCOURAGED TO POSTPONE
THEM UNTIL CONDITIONS IMPROVE.

&&

$$

TOMASELLI
623 
WWUS44 KBRO 041727
WSWBRO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1127 AM CST FRI FEB 4 2011

...WINTER STORM SYSTEM DEPARTING TO THE EAST...

.THE STORM SYSTEM THAT BROUGHT RAIN SLEET AND SOME SNOW TO THE
VALLEY IS DEPARTING TO THE EAST. PRECIPITATION ENDED EARLIER THIS
MORNING...AND TEMPERATURES HAVE BEGUN TO RISE ABOVE THE FREEZING
LEVEL AS SKIES CLEAR. BREEZY CONDITIONS WILL CONTINUE THROUGH THE
AFTERNOON...WITH WIND CHILLS REMAINING IN THE 20S THROUGH THE DAY. 

TXZ248>257-041830-
/O.CAN.KBRO.WC.W.0002.000000T0000Z-110204T1800Z/
/O.CAN.KBRO.WS.W.0001.000000T0000Z-110204T1800Z/
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
1127 AM CST FRI FEB 4 2011

...WIND CHILL WARNING IS CANCELLED...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS CANCELLED THE
WIND CHILL WARNING. THE WINTER STORM WARNING HAS ALSO BEEN
CANCELLED.

WINTRY PRECIPITATION HAS CEASED FOR THE RIO GRANDE VALLEY THIS
MORNING...AND CLEARING SKIES HAVE BEGUN THE MELTING PROCESS FOR
THE REGION. BREEZY CONDITIONS WILL CONTINUE TO PRODUCE WIND CHILLS
IN THE 20S...BUT WILL NOT BE AS BITTERLY COLD AS THE PREVIOUS
DAYS. THUS THE WIND CHILL AND WINTER STORM WARNINGS HAVE BEEN
CEASED.

$$

What forecasters said that day

The local office's own words before this winter storm warning 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 warning went out at Feb 2, 1:35 PM CST, 7 hours 32 minutes earlier.

Area forecast discussion, Feb 2, 1:35 PM CST, 7 hours 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
135 PM CST WED FEB 2 2011

.SHORT TERM /TONIGHT THROUGH 6 AM FRIDAY/...AN AIR MASS OF ARCTIC
ORIGIN WILL MAINTAIN UNSEASONABLY COLD TEMPERATURES ACROSS THE RIO
GRANDE VALLEY FOR THE NEXT COUPLE OF DAYS. THE APPROACH OF A MID
LEVEL STORM SYSTEM WILL COMPLICATE MATTERS...LEADING TO THE
POTENTIAL OF A WINTRY MIX OF PRECIPITATION...PRIMARILY THURSDAY
THROUGH FRIDAY MORNING. FORECAST SOUNDINGS AT BRO SHOW A BIT LESS OF
THE SATURATED PROFILE ALOFT ABOVE FREEZING...RESULTING IN A FORECAST
THAT INCLUDES SNOW FLURRIES FOR THE MID VALLEY...SLEET FOR THE COAST
AND FREEZING RAIN FOR THE IMMEDIATE COAST AND COASTAL WATERS.
ACCUMULATION WILL BE LIGHT TO MODERATE IN THOSE AREAS...BUT THE RARE
OCCURRENCE OF WINTRY PRECIP WILL BE AN ISSUE IN AND OF ITSELF.

&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...WINTER PRECIPITATION EPISODE
WILL BE ONGOING AT THE BEGINNING OF THE PERIOD. EXPECT ANY WINTRY
PRECIP TO TRANSITION TO COLD RAIN BRIEFLY FRIDAY AFTERNOON FOR
COASTAL COUNTIES BEFORE QUICKLY DEPARTING. SKIES WILL CLEAR
QUICKLY...ALLOWING FOR ANOTHER SUBFREEZING NIGHT FRIDAY NIGHT.
ONSHORE FLOW BEGINS SATURDAY AS THE HIGH MOVES EAST...WITH
MODERATING TEMPS THROUGH THE WEEKEND. LONGER RANGE MODELS STILL
INDICATING A SIGNIFICANT POLAR OUTBREAK AGAIN TUESDAY AS ANOTHER
1050 HIGH SKIMS DOWN THE EASTERN EDGE OF THE ROCKIES. SIMILAR
MODELS SOLUTIONS INDICATE THAT THE NEXT EVENT WILL BE A SHORT
COLD BLAST.

&&

.AVIATION...
MVFR CEILINGS NEAR THE COAST SHOULD SPREAD WEST OVER TIME AS A
MID LEVEL STORM SYSTEM APPROACHES FROM THE WEST. LIMITED IMPACT TO
FLYING EXPECTED UNTIL ROUGHLY THURSDAY MID DAY WHEN A WINTRY MIX
OF PRECIP WILL BE POSSIBLE....RANGING FROM FREEZING RAIN NEAR THE
COAST TO SNOW FLURRIES INLAND. ACCUMULATION WILL BE LIGHT TO
MODERATE...WITH A QUARTER TO ONE HALF INCH OVERALL...BUT THE
SITUATION COULD RESULT IN DISRUPTIONS OR DELAYS DUE TO THE
UNCOMMON OCCURRENCE OF SAID PRECIPITATION IN DEEP SOUTH TEXAS.

&&

.MARINE...
TONIGHT THROUGH 6 AM FRIDAY...AN ARCTIC AIR MASS CONTINUES TO SPREAD
ACROSS DEEP SOUTH TEXAS AND THE LOWER TEXAS COAST. BUOY 020 REPORTED
NORTH NORTHWEST WINDS AT 15 KNOTS WITH GUSTS TO 21 KNOTS AND SEAS AT
7.2 FEET WITH AN 8 SECOND PERIOD AT 1250 PM THIS AFTERNOON. SMALL
CRAFT ADVISORY CONDITIONS WILL CONTINUE ACROSS THE LAGUNA MADRE
THROUGH LATE THIS AFTERNOON...WHILE SMALL CRAFT ADVISORY CONDITIONS
WILL CONTINUE ACROSS THE OFFSHORE GULF OF MEXICO COASTAL WATERS
THROUGH THURSDAY MORNING...WITH AN EXTENDED SMALL CRAFT ADVISORY
LIKELY ACROSS THE OFFSHORE GULF OF MEXICO COASTAL WATERS BEYOND
THURSDAY MORNING AS SEAS OFFSHORE REMAIN AT 7 FEET OR ABOVE.

FRIDAY THROUGH SUNDAY...POLAR AIRMASS WILL BEGIN TO EXIT THE
REGION FRIDAY...WITH SOME COLD RAINS FOR THE GULF WATERS AND SOME
FROZEN PRECIP POSSIBLE RIGHT ALONG THE COAST. ONSHORE FLOW DEVELOP
SATURDAY MORNING AS THE HIGH MOVES OFF TO THE EAST...WITH
SOUTHEAST WINDS PREVALENT BY SATURDAY NIGHT. WINDS WILL REMAIN
AROUND 15 KNOTS OVER THE WEEKEND...WITH SEAS FALLING FROM 8 FEET
FRIDAY TO 3 TO 5 FEET SUNDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  26  38  25  42 /  30  30  50  30
BROWNSVILLE          26  37  25  39 /  30  30  50  30
HARLINGEN            23  35  24  39 /  20  20  40  30
MCALLEN              21  34  24  41 /  10  10  30  20
RIO GRANDE CITY      23  36  24  44 /  10  10  10  20
SOUTH PADRE ISLAND   37  44  36  43 /  40  40  60  30

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...HARD FREEZE WARNING FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY
     FOR TXZ248>255.

     WIND CHILL WARNING FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY
     FOR TXZ248>257.

     WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH FRIDAY
     MORNING FOR TXZ250-251-253>257.

     FREEZE WARNING FROM 6 PM THIS EVENING TO 3 PM CST THURSDAY FOR
     TXZ256-257.

GM...SMALL CRAFT ADVISORY FOR WINDS UNTIL 6 PM CST THIS EVENING FOR
     GMZ130-132-135.

     SMALL CRAFT ADVISORY UNTIL 3 PM CST THURSDAY FOR GMZ150-155-170-
     175.

&&

THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WWW.WEATHER.GOV/BROWNSVILLE

54/64
Hazardous weather outlook, Feb 2, 4:37 PM CST, 4 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
437 PM CST WED FEB 2 2011

TXZ248>257-031200-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
437 PM CST WED FEB 2 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TONIGHT.

A HARD FREEZE WARNING IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS
EXCEPT THE COASTAL PORTIONS OF CAMERON AND WILLACY COUNTY. A
FREEZE WARNING IS IN EFFECT FOR THE COASTAL PORTIONS OF CAMERON
AND WILLACY COUNTY. A WIND CHILL WARNING IS IN EFFECT FOR ALL OF
DEEP SOUTH TEXAS. THERE IS A HIGH RISK OF RIP CURRENTS AT THE
BEACHES OF SOUTH PADRE ISLAND AND BOCA CHICA.

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

THE HARD FREEZE WARNING...FREEZE WARNING...AND WIND CHILL WARNING
WILL REMAIN IN EFFECT UNTIL 3 PM CST THURSDAY. ADDITIONAL FREEZE
AND HARD FREEZE WARNINGS WILL LIKELY BE NEEDED THURSDAY NIGHT AND
FRIDAY NIGHT. A WINTER STORM WATCH IS IN EFFECT FOR ALL OF DEEP
SOUTH TEXAS EXCEPT ZAPATA...JIM HOGG...AND STARR COUNTY FROM 3 PM
CST THURSDAY UNTIL 9 AM CST FRIDAY. THE WINTER STORM WATCH WILL
LIKELY BE UPGRADED TO A WINTER STORM WARNING. A MODERATE TO HIGH
RISK OF RIP CURRENTS IS LIKELY AT THE LOCAL BEACHES THURSDAY AND
FRIDAY.

.SPOTTER INFORMATION STATEMENT...

RESIDENTS SHOULD REPORT ANY OBSERVATIONS OF SLEET...SNOW...AND
ICE ACCUMULATION THURSDAY THROUGH FRIDAY MORNING TO LOCAL LAW
ENFORCEMENT OR THE NATIONAL WEATHER SERVICE OFFICE IN BROWNSVILLE.

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-
437 PM CST WED FEB 2 2011

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

.DAY ONE...TONIGHT.

A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE GULF OF MEXICO WATERS
EAST OF PADRE ISLAND FROM 0 TO 60 NAUTICAL MILES OFFSHORE. A SMALL
CRAFT ADVISORY FOR WINDS WILL BE IN EFFECT FOR THE LAGUNA MADRE
BEGINNING AT MIDNIGHT TONIGHT.

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

THE SMALL CRAFT ADVISORY FOR THE GULF OF MEXICO WATERS EAST OF
PADRE ISLAND...AND SMALL CRAFT ADVISORY FOR WINDS FOR THE LAGUNA
MADRE...WILL REMAIN IN EFFECT UNTIL 6 PM CST THURSDAY. ADDITIONAL
SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED FOR THURSDAY NIGHT
THROUGH FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

MARINERS SHOULD REPORT ANY OBSERVATIONS OF SLEET...SNOW...AND ICE
ACCUMULATION THURSDAY THROUGH FRIDAY MORNING TO UNITED STATES
COAST GUARD OR THE NATIONAL WEATHER SERVICE OFFICE IN BROWNSVILLE.

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 7:57 AM CSTFreeze WatchBROCameron, Hidalgo, Starr, Willacy18 hr
Feb 3, 7:57 AM CSTHard Freeze WatchBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more18 hr

Nearby

Winter Storm Warnings in Texas, 2011Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.