SWODY1
SPC AC 240552
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1152 PM CST MON FEB 23 2009
VALID 241200Z - 251200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
A PROGRESSIVE LOW AMPLITUDE UPPER FLOW REGIME WILL CONTINUE OVER THE
CONUS TODAY. AN UPPER LOW APPROACHING THE PACIFIC NORTHWEST COAST
LATE TONIGHT IS FORECAST TO CONTINUE TO OPEN/WEAKEN AND QUICKLY
PROGRESS EASTWARD OVER THE NORTHERN ROCKIES...REACHING THE NORTHERN
PLAINS LATE TONIGHT.
...MT...
PLUME OF STEEP MID LEVEL LAPSE RATES ATTENDANT TO AFOREMENTIONED
EAST-ADVANCING SHORTWAVE TROUGH WILL CONTRIBUTE TO WEAK
BUOYANCY/CONVECTIVELY ENHANCED PRECIPITATION TODAY ACROSS THE
NORTHERN ROCKIES. SOME TSTMS WILL BE POSSIBLE THIS
AFTERNOON/EVENING...MAINLY ALONG AND/OR IMMEDIATELY NORTH ON THE
COLD SIDE OF A SURFACE FRONT ACROSS CENTRAL/EASTERN MT...WHERE MODEL
FORECAST SOUNDINGS SHOW THE POTENTIAL FOR MUCAPE OF A COUPLE HUNDRED
J/KG.
..GUYER.. 02/24/2009
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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