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I’m tracking a core of low pressure that’s expected to supply Greater Lafayette with another round of heavy, albeit short-lived, rainfall Late Wednesday and early Thursday.
While the first of the scattered rainfall is expected to reach Tippecanoe County around 10:00 P.M. ET, the defined line of showers and isolated thunderstorms will reach the viewing area tomorrow morning.
The latest data indicates that the line of heavy rainfall will reach our westernmost counties around 8:00 A.M. ET before exiting east of our viewing area between 12:00 P.M. ET and 1:00 P.M. ET. Tippecanoe County stands to receive sustained rainfall between 10:00 A.M. ET and 12:00 P.M. ET.
As the low swings to our east early tomorrow afternoon, a northerly wind flow will settle in across the state. As a result, temperatures will begin to fall across Indiana leading to the potential of isolated snowfall for some of our northernmost counties. I wouldn’t be surprised to see a flurry or two as far south as Lafayette tomorrow afternoon.
The most recent model runs have been heartening as far as total rainfall amounts from the passing system go. After seeing data that depicted as much as 2” of rainfall for some of us earlier in the week, this latest run shows that some of us could see just north of 0.6” of precipitation between now and Thursday afternoon. We’re expected to receive 0.5” in Lafayette.
Fortunately, the precipitation departing Greater Lafayette tomorrow afternoon represent our last chances for rainfall through the end of the weekend. It appears a s though another round of low pressure will reach the viewing area on Monday and generate more rain for the region.