Area Forecast Discussion
Issued by NWS Tulsa, OK

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FXUS64 KTSA 061117

Area Forecast Discussion
National Weather Service Tulsa OK
517 AM CST Tue Dec 6 2016

Cold front, currently just south of a OKC/BVO line will sweep across
the area by late morning with low clouds clearing from north to south.
VFR conditions expected behind the front with winds subsiding by late
afternoon. Low clouds will begin to spread back north tonight as upper
wave moves out of the central Rockies with MVFR conditions possible
at MLC/FSM late tonight.


.PREV DISCUSSION... /Issued 329 AM CST Tue Dec 6 2016/

A few light rain showers lingering across western Arkansas
associated with upper system crossing Mississippi valley. Expect
this activity to be east of the area by 12z. Meanwhile cold front
working its way into northeast OK at present will continue to
push southeast through the day bringing an initial surge of cooler
air. Some patchy fog or drizzle will remain possible until the
front passes this morning, followed by increase in north winds and
clearing of low level moisture from the north.

More significant cold front will arrive Wednesday with
temperatures likely topping out early in the day in northern sections
before turning much colder with gusty north winds returning. In
the upper levels, a broad trough will extend across much of the
central U.S. with some embedded shortwave energy currently over
the Pacific Northwest sliding across the plains by Wednesday
afternoon. Moisture still looks limited in the dendritic growth
layer for most of the day, but a few bands of light snow may brush
across far northern areas Wed afternoon and evening closer to best
mid level forcing. At this time expect only very light if any
accumulating snow, with main impact being much colder temperatures
dropping into the teens in some areas by Thursday morning. Much
below normal temperatures in store Thursday as sfc high continues
to settle over the area, with temperatures bottoming out by Friday
morning. With light north winds continuing, wind chill readings
may approach zero near the Kansas and Missouri borders.

Quick warm up will take place over the weekend, albeit with strong
and gusty south winds developing Saturday ahead of a fast moving
upper wave, which may bring a chance of light rain to eastern
sections by Sat night/Sunday. More or less zonal flow will
continue into the early part of next week, with dry conditions and
temperatures a little above normal.




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