Area Forecast Discussion
Issued by NWS Northern Indiana

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FXUS63 KIWX 251756
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
155 PM EDT Mon Sep 25 2017

.SYNOPSIS...
Issued at 155 PM EDT Mon Sep 25 2017

Unseasonably warm weather will continue through Tuesday with high
temperatures from the upper 80s to around 90. A notably cooler air
mass will then build into the region thereafter for the latter half
of the week and next weekend with highs generally 65 to 70.

&&

.SHORT TERM...(Tonight and Tuesday)
Issued at 155 PM EDT Mon Sep 25 2017

Staunch ridging sfc and aloft to finally breakdown on Tue ahead of
ejecting wrn trough up across the upper midwest. Low level thermal
trough while somewhat subdued will provide for another unseasonably
warm day with upper 80s to 90 expected.

&&

.LONG TERM...(Wednesday through Sunday)
Issued at 155 PM EDT Mon Sep 25 2017

No change from prior thinking this period. Lead sw disturbance
tracking into the James Bay vicinity Valry Wed as trailing cold
frontal zone washes out across the OH valley. Secondary sw follows
Fri with more substantive low level cold advection burst which
persists into Sat before moderating. Exchange in airmass will be
most welcome through given recent heat wave with Dys 5-6 temp
anomalies dropping about a cat below normal.

&&

.AVIATION...(For the 18Z TAFS through 18Z Tuesday Afternoon)
Issued at 112 PM EDT Mon Sep 25 2017

Little more than some passing cirrus will be noted for both
airports, resulting in VFR conditions through the period.

&&

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

$$

SYNOPSIS...T/Murphy
SHORT TERM...T
LONG TERM...T
AVIATION...Fisher


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