Area Forecast Discussion
Issued by NWS Northern Indiana

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045
FXUS63 KIWX 222331
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
731 PM EDT Fri Sep 22 2017

.SYNOPSIS...
Issued at 350 AM EDT Fri Sep 22 2017

Very warm and dry weather will persist into the middle of next week
as high pressure remains over the Great Lakes. Highs will range
from the upper 80s to the lower 90s with lows in the 60s for the
next several days.

&&

.SHORT TERM...(Tonight and Saturday)
Issued at 145 PM EDT Fri Sep 22 2017

Sfc ridge parked through the OH valley will expand/intensify this
period. As it does low level flow trajectories will a bit more
easterly and temper otherwise hot thermal ridge. Otherwise sensible
wx nil.

&&

.LONG TERM...(Sunday through Thursday)
Issued at 145 PM EDT Fri Sep 22 2017

Upper ridge will slowly breakdown by Tue in response to ern seaboard
approach of HRCN Maria and wwd ejection of lead sw impulse
through the nrn plains and subsequently collapse late week in
response to potent sw trough digging sewd out of Canada into the
Great Lakes. This will mark a significant cooldown with below
normal temps by Sat.

In the transistion poorly forced and moisture limited cold front
will push through the area late Tue night-Wed morning and hold with
minimalistic pops.

&&

.AVIATION...(For the 00Z TAFS through 00Z Saturday Evening)
Issued at 728 PM EDT Fri Sep 22 2017

High pressure setting up to the northeast of the area will
continue to provide plenty of dry air to the region through the
forecast period. As such, evening storms will continue to
dissipate towards sunset.

With a similar moisture profile to last night, it appears some
agricultural fog/br might form Saturday morning. Will go with some
MVFR br at FWA/SBN, but feel this could be too low and br may
remain shallow and within VFR conditions, especially at SBN.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...NONE.
MI...NONE.
OH...NONE.
LM...NONE.
&&

$$

SYNOPSIS...Murphy
SHORT TERM...T
LONG TERM...T
AVIATION...Roller


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