SWODY1
SPC AC 240529
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1129 PM CST WED JAN 23 2008
VALID 241200Z - 251200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
UPPER LOW NEAR THE NORTHERN CA COAST IS FORECAST TO EJECT
NORTHEASTWARD ACROSS THE GREAT BASIN/NORTHERN INTERMOUNTAIN REGION
TODAY...WHILE A SECONDARY SHORTWAVE TROUGH DIGS SOUTH OFF THE
BRITISH COLUMBIA/PACIFIC NORTHWEST COAST AND REINFORCES THE
BROADER/MEAN WEST COAST TROUGH. ACROSS THE CENTRAL/EASTERN
STATES...EXPANSIVE SURFACE HIGH PRESSURE AND ATTENDANT COLD AIRMASS
WILL FAVOR STABLE CONDITIONS WITH AN ABSENCE OF THUNDERSTORMS.
..COASTAL CA...
ON SOUTHERN PERIPHERY OF UPPER LOW...COLD AIR ALOFT/STEEP LAPSE
RATES AND AREAS OF ASCENT ASSOCIATED WITH EASTWARD SHIFTING
VORTICITY MAXIMA WILL CONTINUE ISOLATED THUNDERSTORM POTENTIAL FOR
THE CA COASTAL AREAS AND ADJACENT ISLANDS THROUGH LATE AFTERNOON.
WHILE SURFACE DEWPOINTS IN THE LOW TO MID 40S F AND MARGINAL
INSTABILITY ARE EXPECTED TO PRECLUDE AN ORGANIZED SEVERE
THREAT...SMALL HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS. IN
ADDITION...STRONG/VEERED SHEAR PROFILES WILL SUPPORT THE POSSIBILITY
OF ROTATING LOW-TOPPED STORMS...WITH POTENTIAL FOR A FEW WATERSPOUTS
NEAR THE SOUTHERN CA COAST THIS AFTERNOON.
.GUYER.. 01/24/2008
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment