SPC 1730Z Day 2 Outlook

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1050 AM CST Thu Jan 14 2021

Valid 151200Z - 161200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
A few thunderstorms are possible over the North Carolina Outer Banks
Friday evening.

...Synopsis...

A closed synoptic upper low centered over the mid-MS Valley Friday
morning will slowly shift eastward across the OH and TN Valleys by
Saturday morning. At the surface, an occluding low will weaken over
the mid-MS Valley, with a cold front stretching from the Lake
Michigan vicinity toward the central Appalachians to the central
Gulf Coast during the morning. A secondary low is expected to
develop near the mid-Atlantic coast, and the surface cold front will
continue to shift east through the period, eventually moving
offshore the Atlantic seaboard overnight. 

Moisture return ahead of the front will be minimal. However, bands
of showers are likely across parts of the southeastern states to the
Mid-Atlantic. Most guidance suggests a narrow corridor of 50s F
dewpoints will stretch from the FL peninsula northward along the
SC/NC coasts during the evening. A few lightning flashes are
possible near the Outer Banks of NC during the evening, but most
thunderstorm activity is expected to develop offshore over the
warmer Gulf Stream waters where better moisture and deeper buoyancy
will exist.

..Leitman.. 01/14/2021

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