Severe Storm Outlook Narrative (AC)
Issued by NWS

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ACUS48 KWNS 100945
SPC AC 100944

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0344 AM CST Sat Dec 10 2016

Valid 131200Z - 181200Z

Medium-range models appear to be fairly similar in handling
evolution of the overall pattern across the U.S. into the Day 6
period (Thursday), when differences begin to emerge with evolution
and timing of short-wave troughing over the western states.

Earlier in the period, a cold front moving south of the FL peninsula
Day 4 (Tuesday) will result in most of the U.S. east of the Rockies
coming under the influence cold high pressure.  As such, potential
for severe weather appears minimal days 4-6.  Beyond Day 6,
uncertainty due to model divergence limits confidence with respect
to a longer-range convective forecast.

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