HAZARDOUS WEATHER OUTLOOK
Issue Date: 1043 PM CST WED DEC 23 2009
Expiration: 1045 PM CST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHERN
MISSISSIPPI...AND PORTIONS OF EASTERN LOUISIANA.
.DAY ONE...TONIGHT AND THURSDAY
SEVERE THUNDERSTORMS WITH DAMAGING WINDS...A FEW TORNADOES...AND LARGE
HAIL ARE LIKELY ON THURSDAY. HEAVY RAINFALL WILL ALSO ACCOMPANY THE
THUNDERSTORMS ON THURSDAY. THE MOST LIKELY TIME FOR SEVERE WEATHER
WILL BE FROM MID-MORNING THROUGH LATE-AFTERNOON...THOUGH A FEW SEVERE
THUNDERSTORMS CANNOT BE RULED OUT DURING THE EARLY MORNING HOURS WEST
OF THE MISSISSIPPI RIVER. A POWERFUL STORM SYSTEM AND AN ASSOCIATED
COLD FRONT WILL SWEEP ACROSS THE REGION ON THURSDAY. ALONG AND AHEAD
OF THE FRONT...VERY STRONG WINDS THROUGHOUT THE ATMOSPHERE WILL
COMBINE WITH INCREASING INSTABILITY TO SUPPORT THE DEVELOPMENT OF
SEVERE THUNDERSTORMS. ONE OR MORE LINES OF THUNDERSTORMS WILL MOVE
ACROSS THE OUTLOOK AREA DURING THE DAY. THESE LINES WILL BE CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH...ALONG WITH A FEW
TORNADOES. ADDITIONALLY...SUPERCELL THUNDERSTORMS COULD DEVELOP
ACROSS THE REGION...AND WILL BE CAPABLE OF PRODUCING DAMAGING
WINDS...TORNADOES...AND LARGE HAIL. A SLIGHT CHANCE FOR PARTICULARLY
DAMAGING WINDS OF UP TO 80 MPH AND PERHAPS A STRONG TORNADO WILL
EXIST ACROSS SOUTHERN MISSISSIPPI FOR LATE THURSDAY MORNING INTO THE
AFTERNOON. TOTAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED
ACROSS THE OUTLOOK AREA THROUGH THURSDAY...WHICH COULD RESULT IN
FLASH FLOODING. A FLASH FLOOD WATCH IS IN EFFECT FOR THE REGION ON
THURSDAY.
OUTSIDE OF THUNDERSTORM ACTIVITY...SUSTAINED SOUTH TO SOUTHEAST WINDS
OF 15 TO 25 MPH ARE EXPECTED...WITH WINDS BECOMING BECOME SOUTH AT
25 TO 35 MPH ACROSS THE MISSISSIPPI RIVER CHANNEL INTO THURSDAY.
WIND GUSTS TO 35 MPH WILL BE POSSIBLE ACROSS THE REGION...EXCEPT TO
40 MPH ACROSS THE MISSISSIPPI RIVER CHANNEL. A LAKE WIND ADVISORY IS
IN EFFECT THROUGH THURSDAY...WITH A WIND ADVISORY IN EFFECT FOR THE
MISSISSIPPI RIVER CHANNEL.
.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY
GUSTY WESTERLY WINDS COULD CONTINUE INTO FRIDAY BEHIND THE COLD
FRONT...RESULTING IN A ROUGH CHOP ON AREA LAKES.
.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.
|
|
|
