Area Forecast Discussion
Issued by NWS Tulsa, OK

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FXUS64 KTSA 211121

Area Forecast Discussion
National Weather Service Tulsa OK
621 AM CDT Sun May 21 2017

KFYV may see some light fog for the first hour or so of the
forecast period, otherwise VFR conditions will prevail.


.PREV DISCUSSION... /Issued 310 AM CDT Sun May 21 2017/

Eastern Oklahoma and western Arkansas will get a well deserved
break from the rain Today as high pressure reigns supreme for
the day. Temperatures will be a little below normal for this time
of year even with plentiful sunshine.

Showers and thunderstorms return to the forecast as early as Monday
afternoon and continue into Tuesday as a series of mid-level
shortwaves embedded in the emerging northwesterly flow aloft push a
cold front through the region Monday night into Tuesday morning.
Instability looks meager at this time and severe weather is not
anticipated. Rainfall amounts will also be much less than recent events
and are not expected to worsen the current flooding situation.

Dry weather returns mid-week and continues into Saturday as high pressure
prevails at the surface and the northwesterly flow aloft gives way to
a more zonal pattern across the area. Showers and thunderstorms return
Saturday night into Sunday as the next storm system affects the region.

A spell of unseasonably cool temperatures is on tap for much of the week
with temperatures finally warming above normal Friday into Saturday
as southwesterly low level winds develop in advance of the weekend storm





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