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

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FXUS63 KEAX 051916

216 PM CDT MON OCT 5 2015

Issued at 210 PM CDT MON OCT 5 2015

Low-level moisture trapped underneath a ridge axis over the Central
Plains will stay in place through much of the afternoon and evening
hours. This, combined with northeasterly winds will keep afternoon
highs in the mid 60s across most of the CWA. Have lowered afternoon
temperatures across the southeastern CWA where extensive cloud cover
has moderated surface heating. With surface high pressure remaining
in place along with persistent light, northerly winds overnight,
conditions will once again be favorable for fog development across
northwest to north central Missouri early Tuesday morning.

A well-defined blocking pattern with a deep mid-level low over the
southeastern CONUS working opposite a deepening low over the western
CONUS will remain in place through Tuesday. As the ridge axis above
the Central Plains approaches the area, low-level stratus will begin
to dissipate through Tuesday afternoon as dry air enters the region.
As the surface high continues to push eastward, southerly flow will
bring a warming trend, particularly Wednesday and Thursday with
afternoon highs topping of in the upper 70s to low 80s. The ridge
will eventually erode as the southwestern trough continues to deepen
by the mid-week. This will then lead to a cutoff low diving into
Mexico with a longwave trough developing over the Northern Plains.
At the surface, a cold front will approach northwest Missouri late
Wednesday night. Sufficient moisture ahead of the front will aid in
the development of scattered showers beginning late Wednesday and
extending into much of Thursday. The greatest forcing looks to
remain north of the I-70 corridor, though precipitation will
generally form along the entire boundary, with possible isolated
development south of I-70. Weak instability may be sufficient to
produce some embedded thunderstorms along the cold front, though
this should remain isolated.

Surface high pressure will quickly fill in behind the front
beginning Friday, with a cold air mass dropping temperatures back
into the mid 60s heading into the weekend. However, WAA will then
bring temperatures back into the low 80s by the latter half of the
weekend as ridging begins to build over the Southern Plains heading
into next week.


.AVIATION...(For the 18Z TAFS through 18Z Tuesday Afternoon)
Issued at 1215 PM CDT MON OCT 5 2015

Low-level stratus will linger through the period with moisture
trapped underneath approaching ridge. Conditions should remain MVFR
though environment will once again become favorable for fog
overnight. IFR conditions are possible early Tuesday morning, but
will hold off on including in forecast for the time. Stratus deck
will finally erode Tuesday afternoon with cloud layer expected to
begin lifting by the mid-morning Tuesday.




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