Area Forecast Discussion
Issued by NWS Northern Indiana

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000
FXUS63 KIWX 141019
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
619 AM EDT Thu Sep 14 2017

.SYNOPSIS...
Issued at 350 AM EDT Thu Sep 14 2017

The remnants of Irma were moving east early this morning and will
move out of the area by noon. Areas of fog including dense fog
in the wake of this system will lift by late morning.
Temperatures will gradually warm through Sunday with highs in the
80s this weekend. The next chance of rain will be late Sunday.

&&

.SHORT TERM...(Today and Tonight)
Issued at 424 AM EDT Thu Sep 14 2017

The upper low in the midst of the remnants of Irma was over Ohio and
was moving east out of the region. In the wake of this system, skies
were clearing and fog was forming from Lower Michigan into Illinois.
After coordination with surrounding offices, have issued a dense fog
advisory for far southern Lower Michigan into northern Indiana until
9 AM EDT. Otherwise, a few stray light showers are possible over
northwest Ohio before the system moves completely out of the area.
Highs today should be a few degrees either side of 75.
.

&&

.LONG TERM...(Friday through Wednesday)
Issued at 424 AM EDT Thu Sep 14 2017

For the long term period, an upper level ridge will build over the
eastern CONUS in response to an amplifying upper trof over western
North America. Temperatures will rise well above normal this weekend
and stay very warm through the middle of next week. Some energy in
the form of short wave trofs will bring a chance for showers and
possibly storms late Sunday through Monday. Heavy rainfall is not
expected. Otherwise, little if any rain is expected through next
Wednesday. Highs will be around 80 to 85 each day from Friday
through the middle of next week.

&&

.AVIATION...(For the 12Z TAFS through 12Z Friday Morning)
Issued at 617 AM EDT Thu Sep 14 2017

Widespread fog across nrn IN will gradually burn off with diurnal
heating this morning. Subsidence/drying aloft should limit cu
development to sct this aftn. Wk sfc ridge over the area this
morning will shift east to the upr OH valley/lower GRTLKS tonight
resulting in light se winds. Radiational cooling may be sufficient
to allow br/fg to form again with mvfr/ifr psbl.


&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...Dense Fog Advisory until 9 AM EDT /8 AM CDT/ this morning for
     INZ003>008-012>017-020-022>024.

MI...Dense Fog Advisory until 9 AM EDT this morning for MIZ077>081.

OH...NONE.
LM...NONE.
&&

$$

SYNOPSIS...Murphy
SHORT TERM...Skipper
LONG TERM...Skipper
AVIATION...JT


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