Area Forecast Discussion
Issued by NWS Northern Indiana

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000
FXUS63 KIWX 202346
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
746 PM EDT Fri Apr 20 2018

.SYNOPSIS...
Issued at 220 PM EDT Fri Apr 20 2018

High pressure will provide clear skies and gradually warmer
temperatures through the weekend. Mild weather this weekend and
beyond with highs in the 60s. Dry weather through Monday, followed
by increasing chances for rain into Wednesday.

&&

.SHORT TERM...(Tonight and Sunday)
Issued at 220 PM EDT Fri Apr 20 2018

High pressure will anchor across the ern lakes this period as srn
stream bowling ball wraps up across OK Sat and into AR Sun. Thus
clear skies and light winds will predominate through Sunday.

&&

.LONG TERM...(Sunday night through Thursday)
Issued at 220 PM EDT Fri Apr 20 2018

Potent srn stream sw will hold south through the TN valley through
Tue before lifting out through the mid atlantic Wed ahead of kicker
nrn stream sw disturbance amplifying sharply through the wrn lakes.
This system looks to bring a good chance for rain to the area Wed as
it swings through the OH valley. Subsequent following secondary
disturbance wraps up through the nrn lakes Fri with another round of
rain likely late Thu into early Fri. Combination of both of these
vigorous systems will drive another shot of cold air, albeit brief,
into the OH valley for Fri. Until then extended spring like
temperatures abound with daily highs in the 60s outside typical lake
shadow northwest zones.

&&

.AVIATION...(For the 00Z TAFS through 00Z Saturday Evening)
Issued at 739 PM EDT Fri Apr 20 2018

Broad surface high anticyclone across the Great Lakes will only
slowly drift eastward over the next 24 hours. Positioning of this
anticyclone will promote a east-northeast gradient later tonight
into Saturday. Gradient should be weak enough of Saturday
afternoon to promote weak lake breeze formation, likely from a
N-NE direction with some synoptic modification of the lake breeze
expected. VFR conditions expected through this period with just
some mid/high cloud overspreading northern Indiana.

&&

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

$$

SYNOPSIS...Skipper/T
SHORT TERM...T
LONG TERM...T
AVIATION...Marsili


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