SPC AC 170540
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1140 PM CST Tue Jan 16 2018
Valid 171200Z - 181200Z
...NO THUNDERSTORM AREAS FORECAST...
Thunderstorms are not expected across the U.S. today or tonight.
An upper-level trough will move across the eastern U.S. today as
another upper-level trough remains in the eastern Pacific. A
mid-level jet associated with this system will overspread the
Pacific Northwest tonight. Strong large-scale ascent and steep lapse
rates will be enough for an isolated lightning strike along the
coast of Washington late in the period. However, thunder coverage is
not expected to reach the 10 percent threshold. Elsewhere across the
CONUS, thunderstorms are not expected today or tonight.
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NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z