HAZARDOUS WEATHER OUTLOOK
Issue Date: 1102 AM CST SUN DEC 6 2009
Expiration: 1045 AM CST MON DEC 07 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS
OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
.DAY ONE...THIS AFTERNOON AND TONIGHT
SCATTERED TO NUMEROUS RAIN SHOWERS ARE EXPECTED TO SPREAD FROM
WEST TO EAST ACROSS THE AREA TONIGHT. A FEW EMBEDDED THUNDERSTORMS
MAY OCCUR WEST OF INTERSTATE 55 AND GENERALLY WEST OF LAKE
PONTCHARTRAIN. HOWEVER...SEVERE STORMS ARE NOT EXPECTED.
THE ATCHAFALAYA RIVER WILL REMAIN ABOVE FLOOD STAGE NEAR MORGAN
CITY.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS THE ENTIRE OUTLOOK
AREA TUESDAY AND TUESDAY NIGHT. THE MAIN CONCERN FROM SEVERE
WEATHER WILL BE DAMAGING STRAIGHT LINE AND POSSIBLE TORNADOES.
A DEEP SURFACE LOW IS EXPECTED TO MOVE INTO THE MID MISSISSIPPI
VALLEY AND BRING A COLD FRONT THROUGH THE REGION TUESDAY NIGHT.
AHEAD OF THE COLD FRONT ABUNDANT MOISTURE AND STRONG WINDS WILL BE
IN PLACE. AS A STRONG DISTURBANCE MOVES INTO THE CENTRAL PLAINS IT
SHOULD HELP THUNDERSTORMS DEVELOP DURING THE DAY LEADING TO STRONG
TO SEVERE STORMS. WITH THE AMOUNT OF SHEAR IN PLACE SUPERCELLS AND
BOWING STORMS WILL BE POSSIBLE. THIS WILL PRIMARILY BRING A RISK
OF DAMAGING WINDS AND EVEN OR TORNADO OR TWO. THE SEVERE RISK WILL
END OVERNIGHT TUESDAY AFTER THE COLD FRONT MOVES THROUGH THE
REGION.
SMALL CRAFT ADVISORIES ARE LIKELY ONCE AGAIN BY TUESDAY AND
THROUGH WEDNESDAY. SOUTHERLY WINDS WILL INCREASE TO AROUND 25
KNOTS TUESDAY AHEAD OF AN APPROACHING COLD FRONT. AFTER THE COLD
FRONT PASSES THROUGH WINDS WILL REMAIN STRONG AS THEY VEER AROUND
TO THE NORTHWEST.
.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER MAY BE
NEEDED TUESDAY AND TUESDAY NIGHT...DECEMBER 8TH.
|
|
|
