SWODY2
SPC AC 010500
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1200 AM CDT THU NOV 01 2007
VALID 021200Z - 031200Z
..NO TSTM AREAS FORECAST...
..SYNOPSIS...
MODELS CONTINUE TO INDICATE THAT A STRONG NORTHERN PACIFIC UPPER JET
STREAK WILL NOSE INLAND AROUND THE NORTHERN/EASTERN PERIPHERY OF AN
UPPER RIDGE...WHICH IS PROGGED TO BUILD AS IT SHIFTS TOWARD THE
PACIFIC NORTHWEST/BRITISH COLUMBIA COAST DURING THIS FORECAST
PERIOD. AS THIS OCCURS...PHASING OF DOWNSTREAM SPLIT POLAR JETS IS
EXPECTED TO THE LEE OF THE ROCKIES...WITHIN A DEVELOPING BROADER
SCALE TROUGH EXTENDING INTO THE WESTERN ATLANTIC. AND...NOEL IS
FORECAST TO CONTINUE ACCELERATING NORTHEASTWARD...ALONG A FRONTAL
ZONE WELL EAST OF SOUTHERN/MID ATLANTIC COASTAL AREAS.
THE EVOLVING UPPER PATTERN IS EXPECTED TO MAINTAIN SURFACE RIDGING
ACROSS MUCH OF THE NATION. ONE HIGH CENTER WILL LIKELY RETREAT
NORTHEAST OF NEW ENGLAND...IN THE WAKE OF A SIGNIFICANT MID-LEVEL
IMPULSE LIFTING THROUGH THE CANADIAN MARITIMES...AS ANOTHER HIGH
BUILDS SOUTHEASTWARD INTO THE NORTHERN PLAINS...AND YET ANOTHER
BEGINS TO BUILD ACROSS THE NORTHERN INTERMOUNTAIN REGION.
ASSOCIATED WITH THIS REGIME...A DRY...STABLE THERMODYNAMIC
STRATIFICATION OVER MOST OF THE NATION WILL RESULT IN NEGLIGIBLE
CONVECTIVE POTENTIAL FRIDAY/FRIDAY NIGHT.
.KERR.. 11/01/2007
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