SPC AC 081627
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1027 AM CST WED NOV 08 2006
VALID 081630Z - 091200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
COMPACT UPPER LOW WILL CONTINUE EWD ACROSS THE SERN STATES...WITH
WEAK TROUGH EXTENDING NWD INTO THE NERN U.S. BEHIND THIS
SYSTEM...UPPER RIDGE WILL EXIST ACROSS THE CNTRL/SRN PLAINS
PROVIDING WARM AND DRY CONDITIONS. TO THE W...BROAD UPPER TROUGH
WILL CONTINUE TO SHIFT EWD ACROSS THE PACIFIC NW/NRN ROCKIES AS
VORTICITY CENTER MOVES ASHORE LATER TODAY INTO WA/ORE. FINALLY...A
LOW AMPLITUDE BUT POTENT UPPER TROUGH WILL SKIRT ALONG THE
U.S./CANADA BORDER BRINGING A SLIM CHANCE OF A THUNDERSHOWER FROM
NRN MN INTO THE WRN GREAT LAKES.
...MID ATLANTIC REGION...
VERY COOL MID LEVEL TEMPERATURES EXIST WITHIN UPPER LOW
CENTER...WITH -21.1 C AT FFC THIS MORNING AT 500 MB. POCKETS OF
SURFACE HEATING ACROSS THE CAROLINAS MAY ALLOW FOR ENOUGH CONVECTIVE
INSTABILITY TO DEVELOP FOR A FEW THUNDERSTORMS AS MAIN SURFACE LOW
DEEPENS TO THE NE.
...PACIFIC NW...
VERY COOL TEMPERATURES ALOFT/STEEP LAPSE RATES WILL EXIST AS STRONG
TROUGH ENTERS THE REGION. SHORELINE CONVERGENCE WITH WEAK SURFACE
TROUGH COMBINED WITH HEIGHT FALLS/COOLING ALOFT WILL SUPPORT
SCATTERED STORMS OVER THE OCEAN AND LIKELY INLAND TO THE W SLOPES OF
THE CASCADES.
..JEWELL/MCCARTHY.. 11/08/2006
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
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