Day 4-8 Outlook

Day 4-8 Outlook Image

Day 4-8 Convective Outlook  
NWS Storm Prediction Center Norman OK
0241 AM CDT Fri Oct 02 2020

Valid 051200Z - 101200Z

...DISCUSSION...
Large-scale mid-level ridging appears likely to persist within the
westerlies across the northern mid-latitude eastern Pacific into
western North America through the middle of next week, with broad
downstream troughing east of the Rockies into the western Atlantic. 
Toward the middle of next week, there could be some re-amplification
of the ridging along an axis near the Canadian/U.S. Rockies, ahead
of a large developing mid-level trough approaching the Pacific
Coast.  As this occurs, the large-scale downstream troughing may
amplify along a negatively tilted axis from Hudson Bay into western
Atlantic.

While embedded short wave developments remain much more uncertain,
this regime appears likely to maintain a west-northwesterly to
northwesterly mid-level flow across much of the nation.  The
development of a southerly return flow of moisture off the Gulf of
Mexico appears unlikely, maintaining generally dry and/or stable
conditions with low convective potential.

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