DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 271620
SWODY1
SPC AC 271619

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1119 AM CDT SAT OCT 27 2012

VALID 271630Z - 281200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
THE CENTER OF HURRICANE SANDY IS FORECAST TO MOVE NEWD -- PARALLEL
TO THE SOUTHEAST COAST OF THE U.S. -- THROUGH THE REMAINDER OF THE
DAY-1 CONVECTIVE PERIOD. ANY ASSOCIATED HIGHER THETA-E IN THE LOW
LEVELS SUPPORTING ENHANCED BUOYANCY FOR CHARGE SEPARATION IS
FORECAST TO REMAIN WELL OFF THE ATLANTIC COAST. AS
SUCH...THUNDERSTORMS ASSOCIATED WITH SANDY ARE NOT EXPECTED TO
IMPACT THE CONUS OR THE ADJACENT COASTAL WATERS. FOR ADDITIONAL
INFORMATION ON HURRICANE SANDY...PLEASE REFERENCE
PRODUCTS/ADVISORIES ISSUED BY THE NATIONAL HURRICANE CENTER. ACROSS
THE PACIFIC NW...WEAK SHORTWAVE IMPULSES EMBEDDED WITHIN MOIST WNWLY
FLOW ALOFT WILL BE ACCOMPANIED BY MARGINAL ELEVATED
INSTABILITY...AND PERHAPS A LIGHTNING STRIKE OR TWO WITHIN BROADER
AREAS OF PRECIPITATION. HOWEVER...WEAK MID-LEVEL LAPSE RATES AND
ONLY MODEST DEEP FORCING FOR ASCENT ARE EXPECTED TO MINIMIZE THE
COVERAGE OF ANY THUNDERSTORMS SUCH THAT A GENERAL-THUNDERSTORM AREA
HAS NOT BEEN INCLUDED. ELSEWHERE...STABLE ATMOSPHERIC PROFILES
SHOULD PRECLUDE THUNDERSTORM DEVELOPMENT ACROSS THE LOWER 48 STATES.

..COHEN/MEAD.. 10/27/2012

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