SWODY2
SPC AC 281714
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1114 AM CST MON NOV 28 2011
VALID 291200Z - 301200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
A DEEP CLOSED LOW...CURRENTLY LOCATED OVER THE LOWER/MID MS AND WRN
TN VALLEYS...IS FORECAST TO ACCELERATE NEWD ON TUE...AS AN
AMPLIFYING SHORTWAVE TROUGH DROPS SEWD INTO THE PACIFIC NW. AHEAD OF
THE ERN CONUS UPPER LOW...A WEAK AREA OF SURFACE LOW PRESSURE WILL
SHIFT N/NEWD ACROSS THE OH VALLEY AND INTO THE ERN GREAT LAKES...
WITH AN ARCING AND OCCLUDED FRONT TRACKING NEWD ALONG THE ATLANTIC
COASTAL STATES.
...NC OUTER BANKS NEWD ALONG THE INTO SRN NEW ENGLAND...
A NARROW WEDGE OF MID/UPPER 50 DEWPOINTS...WITH MUCAPES FROM 100 TO
200 J/KG...ARE EXPECTED TO BE LOCATED JUST AHEAD OF THE OCCLUDED
FRONT...FROM THE FAR ERN MID ATLANTIC STATES INTO SRN NEW ENGLAND.
FORECAST SOUNDINGS SUGGEST ANY CONVECTION THAT DEVELOPS WILL BE
ROOTED ABOVE THE BOUNDARY LAYER...BETWEEN 900-750 MB. ALTHOUGH THE
DYNAMICAL FORCING AND WIND FIELDS/SHEAR WILL BE IMPRESSIVE...THE
COMBINATION OF MEAGER INSTABILITY...WITHIN THE STRONGLY SHEARED
ENVIRONMENT...ALONG WITH A RELATIVELY SHALLOW CONVECTIVE DEPTH...
FAVORS WEAK SHORT-LIVED CONVECTIVE UPDRAFTS WITH ONLY A FEW SPORADIC
LIGHTNING STRIKES.
..IMY.. 11/28/2011
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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