HAZARDOUS WEATHER OUTLOOK
Issue Date: 358 PM CST WED DEC 2 2009
Expiration: 600 AM CST THU DEC 03 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST
GULF OF MEXICO...CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...
SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS.
.DAY ONE...THIS AFTERNOON AND TONIGHT
CLOUDS WILL GRADUALLY ERODE AS HIGH PRESSURE MOVES OVER THE REGION.
COOL CONDITIONS CAN BE EXPECTED TONIGHT WITH LOW TEMPERATURES
RANGING FROM THE UPPER 30S INLAND TO THE LOWER 40S NEAR THE COAST.
STRONG WINDS OVER THE COASTAL WATERS WILL PERSIST THROUGH THIS
EVENING BEFORE RELAXING OVERNIGHT.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
A COASTAL LOW WILL DEVELOP BY FRIDAY IN RESPONSE TO AN APPROACHING
UPPER-LEVEL DISTURBANCE. THE COMBINATION OF THESE FEATURES WILL
PRODUCE AREAS OF RAIN FRIDAY MORNING OVER SOUTHEAST TEXAS...THEN
SPREADING ACROSS SOUTHWEST LOUISIANA BY THE AFTERNOON. AS COLD AIR
WRAPPING AROUND THE LOW FILTERS ACROSS THE REGION...THE RAIN WILL
BEGIN CHANGING OVER TO SNOW...OR AT LEAST A RAIN/SNOW MIX...DURING
THE AFTERNOON HOURS. THE LAKES AREA OF SOUTHEAST TEXAS AS WELL AS
CENTRAL LOUISIANA WILL HAVE THE HIGHEST LIKELIHOOD OF SEEING LIGHT
SNOW AS THE AIR THROUGH THE ATMOSPHERE WILL BE COLDEST IN THESE
LOCATIONS. AS THE SYSTEMS MOVE EAST THROUGH FRIDAY EVENING...THE
CHANGEOVER TO SNOW WILL LIKELY OCCUR OVER MOST OF THE AREA...WITH
THE EXCEPTIONS BEING NEAR THE IMMEDIATE COAST WHERE A WINTRY MIX
WILL STILL BE POSSIBLE. THE WINTER WEATHER WILL GRADUALLY MOVE
EAST AND OUT OF THE AREA LATER FRIDAY NIGHT.
DUE TO THE LIGHT AMOUNT PRECIPITATION EXPECTED AND THE GROUND
REMAINING UNFROZEN...ACCUMULATIONS ARE NOT EXPECTED FRIDAY
AFTERNOON AND EVENING. SMALL ACCUMULATIONS WILL BE POSSIBLE NORTH
OF INTERSTATE 10 ON FRIDAY AS TEMPERATURES DROP TO BELOW FREEZING.
HOWEVER...BRIDGES AND EXPOSED SURFACES MAY NEED TO BE MONITORED
THROUGHOUT FRIDAY AND FRIDAY NIGHT FOR POSSIBLE SANDING TO PREVENT
PATCHES OF ICE.
ADDITIONAL COASTAL LOWS ARE EXPECTED TO DEVELOP LATE SUNDAY AND
THE MIDDLE OF NEXT WEEK.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
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