SWODY2
SPC AC 171627
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1027 AM CST WED NOV 17 2010
VALID 181200Z - 191200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
MODELS INDICATE A TRANSITION TO A MORE ZONAL UPPER FLOW ACROSS MUCH
OF THE NATION FOR THIS FORECAST PERIOD. AS LOW AMPLITUDE RIDGING
DEVELOPS ACROSS THE SOUTHERN TIER STATES...AND TROUGHING SHIFTS OFF
THE ATLANTIC SEABOARD...SURFACE RIDGING IS PROGGED TO BUILD ACROSS
MUCH OF THE GULF OF MEXICO...THE GULF COAST STATES AND EASTERN
U.S...BENEATH A CONFLUENT MID-LEVEL REGIME. THIS IS EXPECTED TO
CONTRIBUTE TO GENERALLY DRY AND STABLE CONDITIONS ACROSS MOST AREAS
EAST OF THE ROCKIES. ALTHOUGH VERY WEAK INSTABILITY MAY DEVELOP
WITH DAYTIME HEATING BENEATH A COLD MID-LEVEL ENVIRONMENT NEAR THE
PACIFIC NORTHWEST COAST...POTENTIAL FOR SUBSTANTIVE DESTABILIZATION
ALSO APPEARS LOW ACROSS MUCH OF THE WESTERN STATES. AS A
RESULT...PROBABILITIES FOR THUNDERSTORMS ARE NEARLY NEGLIGIBLE
ACROSS MUCH OF THE NATION THURSDAY/THURSDAY NIGHT.
..KERR.. 11/17/2010
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