SWODY1
SPC AC 261945
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0145 PM CST TUE JAN 26 2010
VALID 262000Z - 271200Z
...NO TSTM AREAS FORECAST...
...CNTRL AND SRN CA COASTS...
CURRENT SATELLITE DATA AND MODEL FORECASTS INDICATE THE SHORTWAVE
TROUGH OFF THE CA COAST WILL MAINTAIN A SELY MOTION...REACHING THE
NRN BAJA AREA LATE TONIGHT. THIS TRAJECTORY WILL KEEP THE STEEPER
LAPSE RATES AND COLDER AIR ALOFT MOSTLY OFFSHORE THE REMAINDER OF
THE PERIOD...SUGGESTING ANY LIGHTNING ACTIVITY INLAND WILL REMAIN
SPARSE AND LESS THAN 10% COVERAGE.
..DIAL/STOPPKOTTE.. 01/26/2010
.PREV DISCUSSION... /ISSUED 1003 AM CST TUE JAN 26 2010/
...SYNOPSIS/FORECAST...
SPLIT FLOW PATTERN WILL PREVAIL OVER THE LWR 48 THIS PERIOD...S AND
E OF BLOCK OVER NWRN CANADA. GIVEN UPSTREAM RIDGING IN PROGRESS
ALONG 150W...STRONG SHORTWAVE IMPULSE NOW OFF THE SRN CA CST SHOULD
CONTINUE MOVING ESE...REMAINING OFFSHORE AS IT REACHES THE AREA W OF
THE BAJA SPUR EARLY WED. COOL AND/OR DRY AIR WILL PERSIST AT LWR
LEVELS ACROSS ALMOST THE ENTIRE CONUS.
ANY THREAT FOR THUNDER WILL BE CONFINED TO THE IMMEDIATE CNTRL AND
SRN CA CST...ALONG ERN FRINGE OF AFOREMENTIONED UPR IMPULSE. WEAK
MID LVL INSTABILITY /PER OAK SOUNDING/ WILL EXIST FOR ISOLD
LIGHTNING IN ASSOCIATED WARM CONVEYOR BELT. BUT MAIN AREA OF
ELEVATED WAA/ASCENT WILL REMAIN OFFSHORE THROUGH THE PERIOD...AS
WILL ANY SFC-BASED INSTABILITY LIKELY TO OCCUR CLOSER TO CENTER
OF UPR VORT. THUS...AT BEST...EXPECT ONLY ISOLD EMBEDDED THUNDER TO
AFFECT THE CNTRL/SRN CA CST TODAY INTO TONIGHT.
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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