Area Forecast Discussion
Issued by NWS Kansas City/Pleasant Hill, MO

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FXUS63 KEAX 210902

National Weather Service Kansas City/Pleasant Hill MO
302 AM CST Tue Nov 21 2017

Issued at 301 AM CST TUE NOV 21 2017

The dry weather pattern will continue through this forecast period
although it is not for a lack of weather system affecting the area
but instead, a lack of moisture. Early this morning, a cold front
has begun to move into northwest Missouri. This front will continue
to push southeast through the forecast area this morning. Behind the
cold front, strong CAA will filter into the area as well as broken
to overcast clouds. This will make for a much cooler day today with
highs in the lower 40s across the north to the lower 50s further
south. Tonight, surface high pressure which is current centered over
the lee side of the Canadian Rockies will build southeast into the
region. This will make for a good radiational cooling night with
lows falling into the upper teens to mid 20s. High pressure remains
over the area Wednesday with little mixing keeping highs in the
upper 30s to mid 40s. Another dry cold frontal passage will occur on
Thursday morning with surface high pressure quickly building in
behind it. There, however, will be little cold air behind the front
and in fact, the frontal passage will actually enhance mixing
allowing temperatures to rise into the 50s. Surface high pressure
will shift east of the area Thursday night with WAA increase during
the overnight into Friday. This will allow highs to rise well above
normal in the 60s before a cold front pushes through later in the
day. Cooler air will then advect in behind that front Friday night
into Saturday with highs falling back into the 50s. High pressure
will build back into the area on Sunday with strong northwest flow
aloft keeping conditions cool with highs in the mid 40s to lower
50s. Monday, downstream upper level ridge will build over the region
ahead of a trough digging through the Rockies. This will allow highs
to rise back into the upper 40s to mid 50s.


.Aviation...(For the 06Z TAFS through 06Z Tuesday Night)
Issued at 1143 PM CST MON NOV 20 2017

VFR conditions and sustained southwest winds between 10-15 kts
will continue through the early morning hours, then winds will
veer to the northwest following a cold-frontal passage shortly
after 12z. Scattered to broken cloud cover is expected behind
the  front, but with bases around or slightly above 10 kft.




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