Quick update all... GM !
Narrow, fast moving line of storms producing some strong winds for a short time this morning... Cold front is through - as you know... now get ready for a cold weekend.
Another couple of shorts will push towards the Ohio / TN valleys the next 24 hours. This energy will induce cyclogenesis on the boundary that came through earlier. This low will track well to our south. It appears the 12z models are coming into agreement with this system now. It looks like most of the precip with this system will be on the KY side of the Ohio River. Still looking at a cold rain developing late tonight / early tomorrow across TN and southern KY. Most of this precip / deeper moisture will be staying south of Louisville as a ton of dry air will be postioned just to our north.
The rain south of Louisville tomorrow should become a wintry mix of rain / sleet / even frzg rain (for a short time) then change to wet snow in the afternoon as evap and dynamic cooling work to bring the column below critical. So sensible weather wise...... across the southern regiona of the viewing area, we are expected a cold rain to develop late tonight / early Saturday - gradually transition to a wintry mix then to wet snow tomorrow afternoon. Slushy, grassy accumulations of 1/2 to 2 inches will be possible across the far southern counties of the viewing area - Green, Taylor, Adair, Hart, Marion etc... with more likely into eastern Kentucky.
For Louisville it doesn't look like much with this one as dry air may be too much to overcome to get anything substantial. Of course, we're still looking at the complete data set of the 12z runs so I'll update as I get more or if things change.
Have a great weekend and stay warm all !!
Jay
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