Interesting discovery on the 06Z GFS
for central Wisconsin between midnight and 6AM tomorrow morning. Very strong spike in forcing through the snow growth zone. The result is 3"/hr snowfall rates resulting in 6" of accumulation by day break. THIS IS PROBABLY NOT GOING TO HAPPEN. No other site but KOSH showed this but I wonder what the GFS
trying to tell us? I think t-storms moving in from the south, abruptly changing to frozen precipitation over central or southern Wisconsin. The interface between t-storms in the south, snow north, and tanking surface temps; could get real messy early Friday morning.