HAZARDOUS WEATHER OUTLOOK
Issue Date: 1200 PM CST TUE DEC 22 2009
Expiration: 600 AM CST WED DEC 23 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
ARKANSAS...NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA...EAST TEXAS
AND NORTHEAST TEXAS.
.DAY ONE...THIS AFTERNOON AND TONIGHT...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
STRONG AND SEVERE THUNDERSTORMS ARE EXPECTED WEDNESDAY EVENING
THROUGH EARLY THURSDAY MORNING AS A DEVELOPING STORM SYSTEM
ACROSS THE SOUTHERN PLAINS IS FORECAST TO DRAG A STRONG COLD FRONT
THROUGH THE FOUR STATE REGION. TIMING OF THIS SYSTEM STILL
REMAINS UNCERTAIN...BUT SEVERE THUNDERSTORMS COULD DEVELOP EARLY
WEDNESDAY EVENING...AFFECTING PORTIONS OF EAST TEXAS...SOUTHEAST
OKLAHOMA...SOUTHWEST ARKANSAS AND EXTREME NORTHWEST LOUISIANA.
DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES WILL BE
POSSIBLE WITH THESE THUNDERSTORMS.
BY LATE WEDNESDAY EVENING...THUNDERSTORMS ARE EXPECTED TO DEVELOP
INTO A SQUALL LINE AND MOVE EASTWARD. THE MAIN THREAT OF SEVERE
WEATHER WILL TRANSITION MORE TO DAMAGING WINDS AND HEAVY RAIN AS
THE SQUALL LINE DEVELOPS...ALTHOUGH ISOLATED TORNADOES AND LARGE
HAIL STILL REMAIN POSSIBLE.
LOCALLY HEAVY RAINFALL LEADING TO URBAN AND SMALL STREAM FLOODING
AND PONDING OF WATER ON ROADS CAN BE EXPECTED. UP TO TWO INCHES OF
RAINFALL...WITH ISOLATED AMOUNTS UP TO FOUR INCHES...MAY BE
POSSIBLE THROUGH THURSDAY AFTERNOON.
AT THIS TIME...THE LINE IS EXPECTED TO MOVE ACROSS EAST TEXAS AND
SOUTHEAST OKLAHOMA LATE WEDNESDAY EVENING INTO EARLY THURSDAY
MORNING...CROSSING INTO NORTHERN LOUISIANA AND SOUTHWEST ARKANSAS
BY SUNRISE THURSDAY MORNING. THESE STORMS ARE FORECAST TO HAVE MOVED
EAST OF THE FOUR STATE AREA BY NOON THURSDAY.
.SPOTTER INFORMATION STATEMENT...
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS WILL
NOT BE NEEDED TODAY OR TONIGHT...BUT MAY BE NEEDED WEDNESDAY NIGHT
INTO THURSDAY MORNING.
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