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FXUS63 KIWX 251919

Area Forecast Discussion
National Weather Service Northern Indiana
219 PM EST Sat Feb 25 2017

Issued at 216 PM EST Sat Feb 25 2017

Snowshowers will quickly taper off to flurries and then end by
late evening with temperatures holding in the 20s overnight.
Warmer temperatures will arrive into the middle of next week with
increasing chances for rain once again. Colder air will return for
the second half of the week.


.SHORT TERM...(This Evening through Sunday)
Issued at 216 PM EST Sat Feb 25 2017
Upper level low will move into eastern Canada at the start of the 
period, with any flurries or light snow showers expected to be 
diminishing rapidly. Temperatures will hold in the lower to 
middle 20s overnight. Weak low pressure will track across the 
northern Great Lakes during the day Sunday. Clouds will increase 
during the day, but forcing will remain removed from the area to 
allow for dry conditions. A strong southwesterly wind will bring 
more seasonable temperatures back into the area with highs in the 
lower 40s.


.LONG TERM...(Sunday Night through Saturday)
Issued at 216 PM EST Sat Feb 25 2017
Roller coaster ride will continue in the long term with rapid 
increase in heights across the region as long wave trough digs into 
the western US and eventually eject mid to late week into the Great 
Lakes. Temperatures will increase into mid week as gulf opens up and 
series of waves draw in more moisture warranting an extended period 
of chc to likely pops both with the northward surge of the warm 
front and eventual low passage. Trough will dig across the Great 
Lakes and send temperatures back below normal along with a threat 
for additional lake effect snow showers Thurs-Fri with at least some 
increase potential on longer fetch event to bring accumulations to 
some areas. 


.AVIATION...(For the 18Z TAFS through 18Z Sunday Afternoon)
Issued at 1232 PM EST Sat Feb 25 2017

Deepening cold advection wedge will allow current mvfr cig heights 
to rise into lower bound vfr and scatter out late tonight with 
continued dry entrainment and eventual sharp backing to srly flow 
toward daybreak Sun. Brief vsby reductions in shsn still possible in 
preferred nw flow lake enhancement but ending quickly as mid level 
trough passing overhead currently departs east. Otherwise gusty 
gradient winds will diminish this evening.


LM...Small Craft Advisory until 4 PM EST Sunday for LMZ043-046.



LONG TERM...Fisher

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