Area Forecast Discussion
Issued by NWS Springfield, MO

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193
FXUS63 KSGF 200424
AFDSGF

Area Forecast Discussion
National Weather Service Springfield MO
1124 PM CDT Thu Apr 19 2018

...Update to Aviation for 06Z TAFs...

.SHORT TERM...(This evening through Friday)
Issued at 245 PM CDT Thu Apr 19 2018

Canadian high pressure will be centered over the Upper Mississippi
River Valley region tonight, exerting its influence southward into
Missouri. The results will be clear skies and light winds setting up
ideal conditions for radiational cooling, and with temperatures
likely to fall into the lower and middle 30s will see widespread
frost late tonight into early Friday morning.

The center of the high will drift eastward Friday, with the pressure
gradient tightening and surface winds coming around to the
southeast. Given ample sunshine, will see temperatures rebound back
into the lower to middle 60s for afternoon highs.

.LONG TERM...(Friday Night through Thursday)
Issued at 245 PM CDT Thu Apr 19 2018

A rather large upper level storm system will push across the
southern Rockies Friday evening and then drop south across Oklahoma
and Arkansas over the weekend. Lift ahead of this system will spread
into the region late Friday night into Saturday morning, with shower
chances increasing late Friday night into Saturday morning across
southeast Kansas and western Missouri, then spreading eastward
Saturday afternoon. The bulk of the rainfall will then fall Saturday
night through Sunday afternoon before pushing eastward. Given track
of the system, highest amounts and probabilities will reside over
southern Missouri, with central Missouri on the northern fringe.
Rainfall amounts generally look to range from around a tenth of on
inch over central Missouri to nearly 1.00" along the Arkansas border
in south central Missouri.

The upper low will move into the Ohio Valley on Monday, as weak
ridging builds across the area for a quiet and seasonably warm day
across the region. The quiet weather will not last long as another
upper level wave drops southeast through the northern Plains and
into Missouri By Tuesday night. This will drag a cold front across
the area accompanied by some showers with dry weather then poised
behind this system for Wednesday into Thursday. Overall,
temperatures will be seasonal for the middle part of the week with
highs in the 60s and lows in the 40s.

&&

.AVIATION...(For the 06Z TAFS through 06Z Friday night)
Issued at 1124 PM CDT Thu Apr 19 2018

VFR conditions are expected across the area tonight and through
the day Friday. Surface high pressure is currently moving across
the region. As a result light and variable winds will occur
overnight. Winds will become southeasterly during the day Friday.

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
MO...Frost Advisory until 9 AM CDT Friday for MOZ055>058-066>071-
     077>083-088>098-101>106.

KS...Frost Advisory until 9 AM CDT Friday for KSZ073-097-101.

&&

$$

SHORT TERM...Raberding
LONG TERM...Raberding
AVIATION...Wise



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