SPC AC 160724
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0224 AM CDT TUE SEP 16 2008
VALID 181200Z - 191200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS/FCST...
LEAD WAVE EXPECTED TO BE OVER THE INTERMOUNTAIN W ON WEDNESDAY WILL
WEAKEN FURTHER ON THURSDAY AS IT MINORS OUT ACROSS THE CANADIAN
ROCKIES. A COLD FRONT...TIED TO A STRONGER SHORTWAVE TROUGH PROGGED
TO MOVE THROUGH SRN CANADA...WILL SETTLE SEWD INTO PARTS OF THE NRN
PLNS BY THURSDAY EVENING. DESPITE THE POSSIBILITY FOR WEAK LARGE
SCALE HEIGHT FALLS ALONG SRN PERIPHERY OF THE CANADIAN WAVE
SPREADING ACROSS THE NRN PLNS...SCANT MOISTURE IN THE COLUMN IS
EXPECTED TO LIMIT CHANCES FOR TSTMS ALONG THE FRONT. FARTHER W...A
STRONGER UPR LOW...LOCATED VCNTY 44N154W AT 07Z...WILL ARRIVE ALONG
THE PAC NW CST THURSDAY AFTN WITH SHOWERS.
MEANWHILE...TO THE EAST...WEAK UPR TROUGH/SHEAR AXIS WILL REMAIN
ALONG THE ERN SEABOARD. PRIMARY FRONT AND SEABREEZES ARE EXPECTED
TO ONCE AGAIN ENHANCE SCTD TSTMS ACROSS CNTRL/SRN FL ON THURSDAY
ALONG FAR SRN REACHES OF THE TROUGH. WHILE GUSTY WINDS AND SMALL
HAIL CAN BE EXPECTED IN THE STRONGEST OF STORMS...WIDESPREAD SVR
WEATHER IS NOT ANTICIPATED.
..RACY.. 09/16/2008
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z
|
