SPC Jan 22, 2017 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook

Day 4-8 Convective Outlook  
NWS Storm Prediction Center Norman OK
0140 AM CST Sun Jan 22 2017

Valid 251200Z - 301200Z

...DISCUSSION...
Organized severe thunderstorm threat will remain low through the
medium range period.

Moisture/instability will be shunted offshore early this week before
return flow allows modified Gulf air mass to advance northward into
the lower Mississippi valley day4/Wed.  This northward advance will
be due primarily to a strong mid-level jet forecast to translate
across the southern Plains into the OH valley.  While deep-layer
shear will be more than adequate for sustaining organized
convection, weak lapse rates and forcing near the coast suggest any
convection that evolves along a progressive cold front will remain
sub-severe in nature.

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