Area Forecast Discussion
Issued by NWS Northern Indiana

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FXUS63 KIWX 221035
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
635 AM EDT Fri Sep 22 2017

.SYNOPSIS...
Issued at 350 AM EDT Fri Sep 22 2017

Very warm and dry weather will persist into the middle of next week
as high pressure remains over the Great Lakes. Highs will range
from the upper 80s to the lower 90s with lows in the 60s for the
next several days.

&&

.SHORT TERM...(Today and Tonight)
Issued at 348 AM EDT Fri Sep 22 2017

Yet another day stagnated within low level thermal ridge to provide
widespread lower 90s temperatures across the region, with
record/near record daily highs today. Ardent mid level ridging over
the southern Great Lakes through the period to maintain dry airmass
with large scale subsidence to offset potential late
afternoon/evening buoyant parcels.

&&

.LONG TERM...(Saturday through Thursday)
Issued at 348 AM EDT Fri Sep 22 2017

CWA to remain between active Atlantic tropical storm track and
deep/slowly progressing western CONUS trof with primarily nil
sensible weather, save for end of forecast period DY6/7. Continue
to remove egregious lake environment/ thermal bleed into land in
far northwest CWA through DY 5, especially given background
southeast to southerly flow. Leeside cyclo/frontogenesis with
formidable downstream ridging over Great Lakes to likely lead to
stalled/decaying boundary west of CWA through the forecast period.
Shallow frontal forced convection potentially into CWA by DY6-7,
though present indications for meager instability/relatively low
chance pops as cold pool dominant convection moves farther away
from richer theta-e axis.

&&

.AVIATION...(For the 12Z TAFS through 12Z Saturday Morning)
Issued at 633 AM EDT Fri Sep 22 2017

Dry conditions and light winds will remain the story under a
strong upper level ridge. VFR conditions will dominate as a
result, though cannot rule out some patchy/shallow ground fog
early this morning and again toward daybreak tomorrow.

&&

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

$$

SYNOPSIS...Murphy
SHORT TERM...Murphy
LONG TERM...Murphy
AVIATION...Steinwedel


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