Area Forecast Discussion
Issued by NWS Northern Indiana

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FXUS63 KIWX 161024

Area Forecast Discussion
National Weather Service Northern Indiana
624 AM EDT Sat Sep 16 2017

Issued at 329 AM EDT Sat Sep 16 2017

Quiet weather will persist through the first part of the weekend
as a ridge of high pressure is slow to depart to the east. Warm
conditions can be expected through the weekend with high
temperatures in the lower to mid 80s for Saturday and Sunday. A
weak frontal boundary will approach the region later Sunday into
Monday resulting in a chance of showers and isolated
thunderstorms. High temperatures will only be slightly cooler on
Monday as the frontal boundary stalls across the area, ranging
from the upper 70s to lower 80s.


.SHORT TERM...(Today and Tonight)
Issued at 328 AM EDT Sat Sep 16 2017

Weather concerns nil today with little more than some passing cirrus
as high pressure slowly edges further east and allows the surge of
more summer like air to filter into the region. Afternoon highs will
be several degrees above normal with readings in the lower to middle
80s with lows dropping back into the lower 60s tonight.


.LONG TERM...(Sunday through Friday)
Issued at 328 AM EDT Sat Sep 16 2017

Longwave trough will remain to the west of the area, but edge
close enough a few times during the period to bring chances for
showers and storms. The first of these still falls in the Sunday
afternoon through Monday morning period when a weak front will be
accompanied by a plume of higher moisture and limited upper level
support. Potential still warrants no more than chc pops.

One more wave will approach mainly mid week with chances for
showers and storms again, but no major rainfall expected.

High pressure will take firm control and push the aforementioned
trough further west, likely limiting further chances for rainfall
and keeping temperatures in the 80s. Blend of models attempted to
place spurious pops in later periods, but removed given above


.AVIATION...(For the 12Z TAFS through 12Z Sunday Morning)
Issued at 620 AM EDT Sat Sep 16 2017

VFR conditions continuing at SBN/FWA attm, though considerable
mvfr/ifr conditions in br/fg are evident in sfc obs east of I69.
Still expecting enough gradient mixing to prevent br from
developing at the terminals and plan on maintaining previous taf
fcsts of vfr conditions through the period. Sufficient low level
moisture/instability expected for sct-bkn cu to develop today, and
this cloud layer may persist through tonight as low level waa
strengthens a bit.




LONG TERM...Fisher

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