SPC AC 090649
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1249 AM CST Thu Nov 09 2017
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
Severe storms are not expected across the U.S. Friday.
Though an upper low will move across southern Quebec and adjacent
New England through the first half of the period, quasi-zonal flow
is progged across the U.S. Friday -- particularly as eastern U.S.
cyclonic flow associated with the low shifts into the western
Atlantic with time. Farther west, a weakening upper low off the
Pacific Northwest Coast at the start of the period is forecast to
shift across the northwestern states as an open wave, through
At the surface, high pressure will largely prevail over the U.S., as
a surface low shifts away from northern New England into the
Canadian Maritimes and the trailing cold front crosses the western
Atlantic and Gulf of Mexico.
Showers -- and possibly a thunderstorm or two -- may occur over
parts of southern and eastern Florida, near and just north of the
southward-moving surface front. Showers, and again the chance for
occasional clusters of lightning, are expected over parts of the
Northwest as the upper system moves inland. In both areas -- and
elsewhere across the U.S. -- severe weather is not expected.
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NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z