ACUS48 KWNS 160814
SWOD48
SPC AC 160813
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0313 AM CDT TUE APR 16 2013
VALID 191200Z - 241200Z
...DISCUSSION...
PROGRESSIVE TROUGH...HANDLED SIMILARLY BY BOTH THE GFS AND
ECMWF...WILL MOVE INTO THE ERN U.S. DURING THE DAY4 PERIOD. WITH
STRONGEST FORCING EXPECTED TO SHIFT INTO NEW ENGLAND TRAILING COLD
FRONT SHOULD MIGRATE TOWARD THE ATLANTIC COAST BY 20/12Z. WHILE
SUFFICIENT INSTABILITY FOR DEEP CONVECTION IS EXPECTED TO RETURN
AHEAD OF THE FRONT...ESPECIALLY ACROSS PARTS OF THE SERN
U.S...OVERALL INSTABILITY SHOULD REMAIN TOO MARGINAL FOR ORGANIZED
SEVERE THUNDERSTORMS.
MUCH COOLER/DRYER AIRMASS WILL OVERSPREAD THE CONUS EAST OF THE
ROCKIES AND SIGNIFICANT DESTABILIZATION WILL NOT OCCUR THROUGH THE
WEEKEND.
..DARROW.. 04/16/2013
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