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3PM Sunday Weather Update – Rain and snow falling in central Indiana

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Greetings from the CBS4 Weather Center.  Wanted to give a brief update to the tricky weather situation going on today.


As expected, it took a little while for moisture to reach the ground but we now have mainly light rain falling across central Indiana.  You’ll note that Guardian Radar is indicating snow over northwest counties of our viewing area.  From various reports, it is mainly rain falling, however there are some areas beginning to mix with sleet and snow.  Not too long ago I received a report of snow beginning to fall in Wollcot, Indiana (northwest of Lafayette).

Temperatures remain above freezing at the surface over all of central Indiana.  At 3pm, weather observation sites show temperatures in the upper 30°s and lower 40°s.


High-resolution computer models indicate that above freezing temperatures go up to around 1,000 feet above the ground over Lafayette and up to 1,800 feet over Indianapolis.  Colder air aloft should begin to lower closer to the ground.  Data suggests temperatures drop to freezing at roughly 750 feet above the ground over Lafayette around 5pm.


As cooler air drops in altitude, we should see more rain changing over to snow later today/this evening north of Indianapolis.

There is still some question as to how much – if any – snow accumulation areas could see.  One of the tricky things about determing this is the ground is still relatively warm.  So much of the snow will melt once reaching the ground.  However, accumulation on grass and elevated surfaces could be possible in areas.

Potential snow through Sunday night.

Potential snow through Sunday night.

My current thinking is that a dusting to an inch of snow will be possible through late tonight from roughly Crawfordsville to Noblesville to New Castle to Richmond.  The further south, the more you are towards a dusting.  The further north, the closer to 1″.

Areas like Lafayette, Kokomo, Peru and Marion have the potential of picking up more than 1″.  I wouldn’t be shocked if some areas picked up 2″+.

Again, this will be on grass and elevated surfaces.  I do not think travel on roads should be an issue in central Indiana.  However, since this is the first snow of the year, take it easy while driving.  We aren’t used to driving in it just yet.

Be sure to keep up with the latest by following me on twitter (@johndissauer).

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