SWODY2
SPC AC 240654
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1254 AM CST FRI DEC 24 2010
VALID 251200Z - 261200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
AN INCREASINGLY AMPLIFIED LONGWAVE PATTERN WILL CONTINUE TO EVOLVE
INTO CHRISTMAS DAY. A ROCKIES/HIGH PLAINS UPPER RIDGE WILL BE
FLANKED BY A DEEPENING LONGWAVE TROUGH OVER THE EASTERN THIRD OF THE
CONUS...AND A PROGRESSIVE/INCREASINGLY NEGATIVE TILT UPPER TROUGH
MOVING ASHORE THE WEST COAST SATURDAY NIGHT.
...COASTAL PACIFIC NORTHWEST/CA...
ISOLATED/EMBEDDED TSTMS SHOULD ACCOMPANY SHOWERY CONVECTION
ALONG/BEHIND AN INLAND ADVANCING FRONT...MAINLY THE CASE FOR COASTAL
PORTIONS OF THE PACIFIC NORTHWEST AND NORTHERN CA. RATHER WEAK
BUOYANCY...ACCENTUATED BY WEAK LAPSE RATES ALOFT SOUTH OF FAR
NORTHERN CA...SHOULD PRECLUDE A SEVERE THREAT BEYOND PERHAPS SOME
SMALL HAIL FOR IMMEDIATE COASTAL AREAS.
...FL...
BASAL EMBEDDED SHORTWAVE TROUGH/HEIGHT FALLS ASSOCIATED WITH THE
DEEPENING EASTERN STATES UPPER TROUGH WILL CONTRIBUTE TO WEAK
SURFACE LOW DEVELOPMENT OVER THE GULF...WITH A COLD FRONT SPREADING
ACROSS THE FL PENINSULA SATURDAY NIGHT/EARLY SUNDAY. IN SPITE OF A
RELATIVELY FAVORABLE WIND FIELD AND INFLUX OF MOISTURE AHEAD OF THE
ADVANCING FRONT...WEAK LAPSE RATES/ MARGINAL BUOYANCY SHOULD TEND TO
THE LIMIT THE OVERALL LIKELIHOOD/COVERAGE OF TSTMS INLAND...AND
OTHERWISE PRECLUDE A SEVERE THREAT.
..GUYER.. 12/24/2010
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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