SPC 0100Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0641 PM CST Thu Dec 17 2020

Valid 180100Z - 181200Z


Thunderstorms are not expected across the continental United States
through tonight.

An upper-level trough will move eastward across the Ohio and
Tennessee Valleys this evening as an upper-level ridge moves across
the Great Plains. An upper-level trough will also move eastward
across the Desert Southwest. At the surface, cool and dry high
pressure will dominate across much of the continental United States.
For this reason, thunderstorms are not expected through tonight.

..Broyles.. 12/18/2020

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