Zeroing in on Heavy Snowfall

We're still watching an inbound winter storm expected to supply parts of the region with potentially significant snowfall totals.

Posted: Mar 23, 2018 12:43 AM
Updated: Mar 23, 2018 9:06 AM

Good Morning,

We’re now officially less than 24 hours away from what may be our next potentially significant winter weather event of the season. The latest model data has zeroed in on a precise track that we believe the snow will take and data between models are finally beginning to start to gel, giving us a much better idea of how much snowfall we’re to receive.

Current model data suggests that the first of the precipitation will reach our southwesternmost counties between 2:00 A.M. ET and 3:00 A.M. ET Saturday morning. Cooler air flowing southwestward will interact with the leading edge of the then rainfall and quickly transition that rainfall over into snowfall by 4:30 A.M. ET at the latest.

From there on, this will be a snowfall evening for Greater Lafayette. The heavy, wet snow will continue on falling at a sustained rate through the late morning and into the early afternoon when it’s expected to reach its peak intensity. We could see snowfall rates up around 0.5” an hour for a period that afternoon!

The snow will continue on into the early evening before beginning to taper off after 6:00 P.M. ET. The latest models indicate that the last of the organized snowfall will depart to our south along with the responsible low around 10:00 P.M. ET tomorrow night. The particularly narrow swath of anticipated snowfall will leave parts of the region with as little as a dusting and other with more than 6” of accumulation.

After looking at the latest models, data and projections, it appears as though the lightest snowfall will come down across the northeastern 3rd of the viewing area. Fulton, Miami, Cass, Pulaski will all receive between trace amounts and 4” of snow accumulation. The heaviest snowfall is expected to affect most of our western and central counties, including Tippecanoe County. Between 4” and 6” look like a possibility for the majority of Greater Lafayette. I’m currently expecting around 5“ of total snowfall for Lafayette between early tomorrow morning and Saturday evening.

There’s still a likelihood that these numbers will fluctuate over the next 24 hours so be sure to check in periodically throughout the day for the latest on our anticipated snowfall. Weather Team 18 will have continuing coverage on the system as it continues to evolve over the next 24 hours.

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