SPC 1730Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1224 PM CDT Tue Oct 20 2020

Valid 211200Z - 221200Z


No severe thunderstorms are expected across the continental United
States on Wednesday or Wednesday night.

Showers and isolated thunderstorms are expected Wednesday, in the
vicinity of a surface baroclinic zone that will oscillate within a
zone from roughly the southern Plains east-northeastward into the
Northeast.  The northeastern portion of this boundary will make some
eastward progress with time, as a mid-level short-wave trough shifts
across the Upper Great Lakes region and moves into eastern Canada. 
Meanwhile, some northward retreat of the boundary is expected over
the Plains, as a second mid-level short-wave feature digs
southeastward across the Intermountain West.  

Other showers and occasional lightning will occur in the vicinity of
the Gulf and Atlantic Coastal regions, from south Texas to the
Carolinas, where a moist low-level airmass will contribute to modest

..Goss.. 10/20/2020

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