Area Forecast Discussion
Issued by NWS Springfield, MO

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752
FXUS63 KSGF 121722
AFDSGF

Area Forecast Discussion
National Weather Service Springfield MO
1122 AM CST Tue Dec 12 2017

.SHORT TERM...(Today and tonight)

Cold air surged in from the north bringing early morning
temperatures down into the 20s. Gusty northwest winds made
conditions very uncomfortable this morning.

As surface high pressure tracks south of the Ozarks today,
northwest winds will eventually shift to the west by this
afternoon. This will offer more of a warmer flow combined with
sunshine. Temperatures this afternoon will warm into the 40s.

The dry airmass over us will allow temperatures to drop back into
the 20s tonight. Wind speeds will relax quite a bit and sky will
remain mostly clear.

.LONG TERM...(Wednesday through Monday)

Temperatures will warm up nicely on Wednesday afternoon ahead of
another cold front. No precipitation is expected from this feature
as the airmass will remain moisture starved.

The positive Pacific North American pattern will persist through
much of the week, offering a cold front about every two days.
This pattern will also keep the Gulf of Mexico shut down.

No precipitation chances are in the forecast through the rest of
the week, as temperatures are expected to be chilly at night and
mild during the afternoon periods.

The wave 5 charts suggest a pattern change by early next week. The
Arctic Oscillation tightens up, and the Pacific ridge breaks down.
This will bring more of a zonal flow to the Ozarks.

Models still do not indicate much of a precipitation signal from
this pattern change through about ten days.

The dry weather will continue and the southern Missouri drought
is expected to worsen over the next week or two.

&&

.AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon)
Issued at 1119 AM CST Tue Dec 12 2017

Pilots can expect VFR conditions at area terminals through
tonight. Surface winds will shift to the southwest tonight ahead
of the next cold front.

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
KS...NONE.
&&

$$

SHORT TERM...Cramer
LONG TERM...Cramer
AVIATION...Foster



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