HAZARDOUS WEATHER OUTLOOK
Issue Date: 431 PM CST WED DEC 23 2009
Expiration: 445 PM CST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL AND
SOUTHEAST MISSISSIPPI.
.DAY ONE...TONIGHT AND THURSDAY
A POWERFUL STORM SYSTEM IS EXPECTED TO PUSH ACROSS THE REGION ON
THURSDAY AND BRING HEAVY RAIN...THUNDERSTORMS AND GUSTY WINDS TO THE
AREA. SEVERE THUNDERSTORMS AND TORNADOES ARE POSSIBLE...MAINLY BETWEEN
NOON AND LATE AFTERNOON TOMORROW. ISOLATED INCIDENTS OF FLASH
FLOODING ARE ALSO POSSIBLE WITH RAINFALL AMOUNTS THROUGH LATE
THURSDAY AFTERNOON EXPECTED TO RANGE FROM 1 TO 3 INCHES.
EXPECT RAINFALL AND EMBEDDED THUNDERSTORMS TO INCREASE LATER
TONIGHT AS A WARM FRONT PUSHES NORTH INTO THE AREA. THE PRIMARY RISK
FOR SEVERE WEATHER WILL COME LATER IN THE DAY AS A SQUALL LINE OF
THUNDERSTORMS MOVES THROUGH JUST AHEAD OF AN ADVANCING COLD FRONT.
WIDESPREAD DAMAGING WIND GUSTS FROM 60 TO 70 MPH WILL BE POSSIBLE
WITH THIS SQUALL LINE...AS WELL AS ISOLATED TORNADOES. THERE WILL
ALSO BE A LESSER RISK OF A FEW SUPERCELL THUNDERSTORMS CAPABLE OF ALL
MODES OF SEVERE WEATHER...INCLUDING TORNADOES...JUST AHEAD OF THE
SQUALL LINE.
IN ADDITION TO THE POTENTIAL FOR HIGH WINDS WITH THE SQUALL
LINE...WINDS WILL ALSO BE QUITE GUSTY TONIGHT AND THROUGH MUCH OF
THURSDAY AWAY FROM STORMS DUE TO A VERY TIGHT PRESSURE GRADIENT OVER
THE REGION. THESE GUSTS COULD PEAK UP TO 35 MPH DURING THE DAY
THURSDAY AND A LAKE WIND ADVISORY IS IN EFFECT FOR THIS PERIOD.
.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY
NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED.
.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...WILL BE NEEDED ON THURSDAY...BUT IS OTHERWISE NOT
ANTICIPATED THROUGH NEXT TUESDAY.
|
|
|
