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

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FXUS63 KEAX 240850

350 AM CDT MON AUG 24 2015

Issued at 349 AM CDT MON AUG 24 2015

Little change to the going forecast as relatively tranquil, early
fall-like weather continues through much of the period. Surface high
pressure will remain in control through mid-week, yielding continued
dry conditions and below normal temperatures with highs in the
middle 70s to middle 80s Monday through Wednesday. Tropospheric
moisture will remain relatively low, providing several days of sunny
skies for the area.

High pressure will begin to lose its grip over the area by Thursday,
with gradually increasing temperatures and moisture creeping back
into the area. Isentropic ascent along with an approaching upper
wave should yield chances for elevated thunderstorms Thursday night
into Friday. Chances for precipitation should end as the wave
departs early Saturday morning, spelling a dry weekend ahead. The
upper ridge builds into the area late in the weekend, with a warming
H85 thermal axis stretching into the area, potentially returning a
few 90 degree readings Sunday into next Monday.


.AVIATION...(For the 06Z TAFS through 06Z Monday Night)
Issued at 1202 AM CDT MON AUG 24 2015

Will maintain a VFR forecast with clear skies and light winds.
However, there is some concern for steam fog to form at KSTJ a few
hours prior to sunrise. The MO River water temperature is in the mid
70s and with air temperatures expected to bottom out in the upper 40s
the large spread between air and water temperatures often results in
the creation of steam fog. The one mitigating factor is there appears
to be enough of a pressure gradient to create enough wind to prevent




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