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December 13, 2:30 PM Weather Forecast Update

Latest on snow & ice potential.

Posted: Dec 13, 2019 2:23 PM
Updated: Dec 13, 2019 2:36 PM

Two waves of precipitation with storm........

First is speeding up & may already spread snowfall into our southern counties Sunday evening.

Snow should be steady & accumulating Sunday night, but a change-over to sleet & freezing rain is posisble over the southeastern half of the viewing area late Sunday night-Monday before ending as snow for the entire area Monday.

Given the acceleration of the system, it appears that the snow may wind down by mid-afternoon Monday.

However, winds will not only be quite strong from the east with the snow & ice, but will really pick up Monday afternoon-evening with north gusts +35 mph leading to widespread blowing & drifting snow.

At this point, it appears that up to 0.10" of ice is possible in the southeastern half with 1.5-6" (isolated +6") of snowfall expected southeast to northwest over the area.

Highest snowfall totals should be in our northwestern counties.

The highest accumulations of the entire storm look to end up just northwest of our viewing area at this point (solid +7").

However, any slight deviation in track should bring the heaviest snowfall southeastward or shift it even a bit more to the northwest.

We will monitor.

Very sharp temperature gradient from 68 in southern Kentucky to 31 in the Greater Lafayette area will lead to not only the icing (with warmer air being pulled aloft over the cold surface & lower levels), but enhanced snowfall banding features.

As the warm, moisture airmass is thrust up into the snow growth zone, a band of enhanced snowfall will likely occur (isolated +6" northwest).

Low temperatures Wednesday morning may drop below 0 over the viewing area.

Article Comments

West Lafayette
Overcast
40° wxIcon
Hi: 43° Lo: 31°
Feels Like: 36°
Kokomo
Overcast
37° wxIcon
Hi: 41° Lo: 31°
Feels Like: 32°
Rensselaer
Overcast
36° wxIcon
Hi: 40° Lo: 31°
Feels Like: 32°
Fowler
Overcast
36° wxIcon
Hi: 40° Lo: 31°
Feels Like: 32°
Williamsport
Overcast
39° wxIcon
Hi: 41° Lo: 31°
Feels Like: 33°
Crawfordsville
Overcast
38° wxIcon
Hi: 42° Lo: 31°
Feels Like: 34°
Frankfort
Overcast
41° wxIcon
Hi: 41° Lo: 30°
Feels Like: 37°
Delphi
Overcast
38° wxIcon
Hi: 41° Lo: 31°
Feels Like: 38°
Monticello
Overcast
38° wxIcon
Hi: 41° Lo: 31°
Feels Like: 38°
Logansport
Overcast
36° wxIcon
Hi: 40° Lo: 31°
Feels Like: 31°
Unsettled Weather into the Weekend.
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