Area Forecast Discussion
Issued by NWS Northern Indiana

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FXUS63 KIWX 171805

Area Forecast Discussion
National Weather Service Northern Indiana
205 PM EDT Sat Mar 17 2018

Issued at 113 PM EDT Sat Mar 17 2018

An isolated shower this afternoon is possible along and south of
US 30. Otherwise dry weather through Monday with afternoon high
temperatures in the upper 40s to lower 50s. Next system moves in
late Monday night into Tuesday with a wintry mix possible.


.SHORT TERM...(Tonight and Tomorrow)
Issued at 205 PM EDT Sat Mar 17 2018

Shra within swd settling shear axis will push out of srn zones early
this evening while clearing line continues to cut south. Another
cold night in store overnight given clearing and sfc ridge nosing
into wrn zones by daybreak.

Main theme though will be ridging sfc and aloft building across the
wrn OH valley on Sunday yielding the mildest day of the upcoming
week. Mid march insolation will yield 50-55 for highs.


.LONG TERM...(Monday through Friday)
Issued at 205 PM EDT Sat Mar 17 2018

Primary notable trend is with significant height suppression within
deep nrn stream upper troughing over ern Canada steering deep
cyclone spinning up over wrn KS late Sunday south of the OH river
Mon-Tue. Trends from yesterday certainly clear cut and have dropped
all mention of precip early-mid period sans extreme south.

Otherwise within suppressed height field aloft, cool thermal
troughing will persist and actually intensify some Wed-Thu with well
below normal temps through the period.


.AVIATION...(For the 18Z TAFS through 18Z Sunday Afternoon)
Issued at 113 PM EDT Sat Mar 17 2018

VFR conditions with light winds throughout the forecast period is
expected. A few lingering showers possible this afternoon over
KFWA but otherwise dry conditions as cloud cover decreases





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