SPC 0830Z Day 3 Outlook

Day 3 Outlook Image

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0213 AM CST Thu Jan 28 2021

Valid 301200Z - 311200Z


Severe weather is not expected across the U.S. on Saturday.

A mid-level low/short-wave trough initially expected to be centered
over the central/southern High Plains region, is forecast to move
steadily east-northeastward through the period.  The feature should
reach the middle Mississippi Valley vicinity during the evening, and
then continue into/across the Midwest/Ohio Valley region overnight.

At the surface, an accompanying low is forecast to move across
Oklahoma/Kansas and into Missouri by evening, and then reach the
southern Illinois/southern Indiana area by Sunday morning.  A
trailing cold front will move southeastward across the southern
Plains, and later across the Lower Mississippi Valley area and into
the northwestern Gulf of Mexico.

Showers will accompany the advance of the surface system,
particularly during the second half of the period across the
Tennessee Valley region and southward across the central Gulf Coast
states.  A few lightning flashes are expected nearer the pool of
colder air/steep lapse rates aloft associated with the upper system
as it shifts east-northeastward with time, within a zone from the
Kansas/Oklahoma vicinity east-northeastward into Illinois.

..Goss.. 01/28/2021

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