Area Forecast Discussion
Issued by NWS Springfield, MO

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864
FXUS63 KSGF 212252
AFDSGF

Area Forecast Discussion
National Weather Service Springfield MO
552 PM CDT Thu Sep 21 2017

.SHORT TERM...(This evening through Friday)
Issued at 250 PM CDT Thu Sep 21 2017

Not much change in the sensible weather through Friday. Upper level
ridge remains the main weather feature, keeping rain chances to our
north and west. The warm and humid conditions will remain with us,
although 850mb temperatures do indicate that Friday`s highs will be
a few degrees cooler than today, but still expect highs in the upper
80s to near 90 and lows tonight in the upper 60s to lower 70s. So a
very warm start to usher in fall. See climate section below for
records for tonight and Friday.

.LONG TERM...(Friday Night through Thursday)
Issued at 250 PM CDT Thu Sep 21 2017

The upper high will continue to hold tight from Friday night through
Saturday night with warm and humid conditions expected to continue
for the first few days of the autumn season. The ridge does
finally begin to break down/shift eastward on Sunday as an upper
low begins to dig southward through the southern Rockies. Although
main precipitation still remains well west of the area, cannot
rule out some showers on Sunday under weakening ridge.

Area gets back into southwest flow aloft Tuesday through early
Thursday, with one piece of energy ejecting north out of the western
trough pushing a cold front into Kansas and Oklahoma Tuesday and
into the area Wednesday. This looks to be the next best chance for
any widespread precipitation for the area. Front looks to clear
the area later Thursday with high pressure then building into the
region.

Overall, above normal temperatures are expected through Sunday,
with then a cooling trend the rest of the week as readings return
to near normal by Thursday.

&&

.AVIATION...(For the 00Z TAFS through 00Z Friday evening)
Issued at 551 PM CDT Thu Sep 21 2017

Upper ridge overhead was helping to suppress any convection and
should see a clear sky overnight with a steady southerly wind.
More south gusts are expected at JLN/SGF after around 15z, but VFR
conditions will continue.

&&

.CLIMATE...
Issued at 250 PM CDT Thu Sep 21 2017

Record maximum lows tonight:
 SGF: 69 in 1937
 JLN: 73 in 1988
 UNO: 71 in 2005
 VIH: 71 in 2005

Record highs for Friday:
 SGF: 93 in 1937
 JLN: 95 in 1956
 UNO: 92 in 1948
 VIH: 95 in 1956

&&

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

$$

SHORT TERM...Raberding
LONG TERM...Raberding
AVIATION...Lindenberg
CLIMATE...Raberding



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