Severe Storm Outlook Narrative (AC)
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ACUS03 KWNS 240730
SPC AC 240730

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0130 AM CST Fri Feb 24 2017

Valid 261200Z - 271200Z


No severe weather is forecast across the Lower 48 states on Sunday
and Sunday night.

A lower-amplitude mid-level pattern will encompass much of the
contiguous U.S. with the exception being a low/trough moving
south-southeast near the OR/WA coast and into northern CA.  A
downstream disturbance over southern CA will rapidly move east,
weaken, and be located over OK by early Monday morning.  A weak area
of low pressure and southerly low-level flow over the southern Great
Plains will advect the initial moisture-return flow regime into the
south-central states.  Weak elevated buoyancy after dark, in
conjunction with the mid-level impulse and strengthening
southwesterly 850-mb flow, may lead to isolated thunderstorms
developing on the nose of appreciable 850-mb moisture.  Meager
updraft strength will likely preclude the development of a strong

..Smith.. 02/24/2017

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