Area Forecast Discussion
Issued by NWS Indianapolis, IN

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000
FXUS63 KIND 201717
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
1217 PM EST Mon Feb 20 2017

.SYNOPSIS...
Issued at 315 AM EST Mon Feb 20 2017

Warm temperatures will continue through the work week, with colder
weather arriving for the weekend. A front will bring rain chances
Tuesday, with a stronger frontal system bringing more rain Thursday
into Friday.

&&

.UPDATE...
The NEAR TERM Section has been updated below.

&&

.SHORT TERM.../Tonight through Wednesday night/
Issued at 315 AM EST Mon Feb 20 2017

Models are close enough that the SuperBlend initialization was
accepted for most items.

A front will move into the area late tonight. Looks like
forcing/moisture won`t arrive until after midnight, so will keep the
evening dry. The better forcing/moisture really don`t arrive most
areas until Tuesday, so will go chance or lower PoPs for most of the
area.

An upper trough and the surface front will move across the area on
Tuesday. Forcing and moisture look sufficient for likely PoPs most
areas during the morning. As the system exits, PoPs will lower
during the afternoon, with a lingering chance into Tuesday evening
east.

Wednesday should be warm and dry with the area in between systems. A
surface low moving through the Great Lakes will bring a cold front
in on Wednesday night, but moisture and forcing are too limited for
any rain.

Went above MOS for highs in the west on Tuesday with that area
seeing more sun. Raised everywhere on Wednesday as guidance has been
too cool.

.LONG TERM.../Thursday Through Sunday/
Issued at 315 AM EST Mon Feb 20 2017

Models are close enough that the SuperBlend initialization
was accepted for most items.

Rain chances will return Thursday as a front returns north across
the area as a warm front. Better chances will arrive on Friday as a
strong cold front moves through and ends the Spring like
temperatures. With strong winds aloft and decent low level moisture
moving in, some strong to severe storms could accompany the front.

Northern areas could see some light wrap-around precipitation on
Saturday, otherwise dry conditions look to be the rule for the
weekend. Temperatures will be closer to average for the weekend.

&&

.AVIATION...(For the 18Z TAFS through 18Z Tuesday afternoon)
Issued at 1217 PM EST Mon Feb 20 2017

VFR conditions are expected through the early overnight with
generally light SE winds. Ceilings will begin to lower after 09Z
as mid level moisture increases ahead of a shortwave trough. MVFR
conditions will set in around 12-15Z with chances for showers
through the day.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SYNOPSIS...50
SHORT TERM...50
LONG TERM....50
AVIATION...AW



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