SWODY2
SPC AC 260659
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1259 AM CST THU JAN 26 2012
VALID 271200Z - 281200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
AN UPPER SHORT-WAVE TROUGH IS FORECAST TO CROSS THE APPALACHIANS AND
MOVE QUICKLY OFF THE MIDDLE AND SRN ATLANTIC COAST DURING THE FIRST
HALF OF THE PERIOD...AND THEN ACROSS NEW ENGLAND AND INTO THE
CANADIAN MARITIMES DURING THE EVENING/OVERNIGHT. IN ITS
WAKE...LARGER-SCALE CYCLONIC FLOW/TROUGHING IS PROGGED TO REMAIN
OVER MOST OF THE U.S. THROUGH THE PERIOD.
AT THE SURFACE...AN ADVANCING COLD FRONT IS FORECAST TO MOVE OFF THE
ATLANTIC COAST BY MIDDAY...AND SHIFT SWD ACROSS THE FL PENINSULA
THROUGH THE FIRST HALF OF THE PERIOD. ELSEWHERE...HIGH PRESSURE IS
FORECAST TO GENERALLY PREVAIL.
...SERN VA/CAROLINA COAST/FAR SERN GA/THE FL PENINSULA...
A COLD FRONT CROSSING THE ERN U.S. EARLY IN THE PERIOD WILL BE
ACCOMPANIED BY WIDESPREAD/ONGOING SHOWERS AND THUNDERSTORMS. THE
WIDESPREAD CLOUDS/PRECIPITATION WILL RESULT IN WEAK/MOIST-ADIABATIC
MID-LEVEL LAPSE RATES...WHICH WILL CONTRIBUTE TO VERY MINIMAL
INSTABILITY...WITH ONGOING CONVECTION THUS LIKELY TO BE GENERALLY
SUB-SEVERE. HOWEVER...VERY STRONG/QUASI-UNIDIRECTIONAL SWLY FLOW
ALOFT -- PARTICULARLY ACROSS THE CAROLINAS AND SERN VA -- SUPPORT
MAINTAINING LOW SEVERE PROBABILITY...AS A LOCALLY DAMAGING GUST OR
TWO WILL BE POSSIBLE WITH ANY ORGANIZED CONVECTIVE CLUSTERS/LINE
SEGMENTS BEFORE THE FRONT MOVES OFFSHORE.
..GOSS.. 01/26/2012
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment