HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
849 PM CST MON JAN 31 2011
A POWERFUL STORM SYSTEM WILL TAKE SHAPE ON TUESDAY AND BRING THE RISK
OF SEVERE STORMS TO THE REGION FOR THE AFTERNOON HOURS. A LINE OF
STORMS IS EXPECTED TO TAKE SHAPE ALONG A STRONG COLD FRONT AND
RAPIDLY PUSH EAST TUESDAY AFTERNOON. DAMAGING WINDS BETWEEN 60 AND 80
MPH WILL BE THE PRIMARY RISK...WITH TORNADOES POSSIBLE. LOCATIONS
SOUTHEAST OF A NATCHEZ TO MERIDIAN LINE WILL HAVE A SLIGHTLY GREATER
RISK FOR TORNADOES AS THIS LOCATION WILL HAVE THE BEST COMBINATION OF
WIND SHEAR AND INSTABILITY. AS FOR TIMING...AREAS WEST OF I-55 WILL
HAVE THE RISK OF SEVERE STORMS BETWEEN 11 AM AND 3 PM. LOCATIONS EAST
OF I-55 WILL HAVE THEIR MAIN RISK BETWEEN 3 AND 6 PM.
IN ADDITION...WINDY CONDITIONS WILL BE POSSIBLE AHEAD OF THE STRONG
COLD FRONT AND AGAIN IN ITS WAKE. AHEAD OF THE COLD FRONT...SOUTH AND
SOUTHEAST WINDS WILL BE SUSTAINED BETWEEN 15 AND 25 MPH WITH GUSTS
BETWEEN 30 AND 45 MPH. BEHIND THE FRONT...SURFACE PRESSURES WILL
RAPIDLY RISE AND THE TIGHTENING PRESSURE GRADIENT WILL RESULT IN WEST
TO NORTHWEST WINDS SUSTAINED BETWEEN 15 AND 25 MPH WITH GUSTS OF 30
TO 40 MPH. ANY OF THESE HIGH WIND GUSTS FROM TUESDAY AFTERNOON AND
NIGHT MAY DOWN TREES AND POWER LINES. WINDS SHOULD SUBSIDE BETWEEN
MIDNIGHT AND SUNRISE WEDNESDAY MORNING.
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