Severe Weather Outlook, Day 2

398 
ACUS02 KWNS 181700
SWODY2
SPC AC 181659
Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1059 AM CST Sat Nov 18 2017
Valid 191200Z - 201200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not expected over the continental U.S. Sunday.
...Synopsis and Discussion...
A rather stable pattern will exist on Sunday, as a large upper
trough exits the East, and dry air behind a cold front scours the
eastern seaboard and Gulf coast of moisture. The resulting lack of
instability will void thunderstorm chances across the CONUS. A few
shallow showers are possible along the tail end of the front over
Florida, but poor midlevel lapse rates and dry air aloft should
preclude any deeper convection.
To the west, a progressive, low-amplitude shortwave trough will
affect the Pacific Northwest late Sunday, with some cooling aloft
and lift resulting in precipitation potential. There may be minimal
instability rooted above 600 mb, but any lightning strike should be
quite isolated.
..Jewell.. 11/18/2017
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