LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1148 PM CST Fri Nov 18 2022
Valid 191200Z - 201200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Isolated lightning strikes will be possible today across the lower
Great Lakes associated with lake-effect snowbands. A few
thunderstorms could also develop across south Florida. Elsewhere,
thunderstorms are not expected today or tonight.
...DISCUSSION...
A large-scale troughing pattern will be in place across the eastern
two-thirds of the continental United States today. An upper-level
trough will move across the Mississippi Valley, as mid-level flow
remains from the west-southwest across the Gulf Coast region. At the
surface, a high pressure area will remain anchored across much of
the central and eastern states. This will keep a dry and cool
airmass in place over much of the continental United States. A few
thunderstorms could occur across south Florida. Lightning strikes
are also possible in the lower Great Lakes in association with
lake-effect snowbands. Elsewhere, no organized thunderstorms are
expected today or tonight.
..Broyles/Squitieri.. 11/19/2022
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