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The biggest concern will be for downed powerlines across central PA. Leaves on the trees in early spring have the ability to hold more than leaves in late fall. Copious amounts of heavy wet snow will no doubt bring power lines down. Luckily in northern Ohio, the amounts of snow will be far less. We have several factors working against widespread snowfall: 1) The track of the storm steers the moisture north, away from northern Ohio. 2) The ground temperatures are in the lower 40s. 3) The Lake Erie water temp is 50. Still, evaporative cooling (cooling process within the cloud as precipitation falls--the chill you feel when you step out of the shower) will cause temps to drop sufficiently enough during the night low enough to allow snow to accumulate in spots. Here are projections through midday Tuesday.
Here are the times in Cleveland when we had snowfall after April 20th since 1948:
2005 April 23-25th 12.4"
1971 April 24 0.1"
1968 April 25 0.2"
1967 Apri 24 0.1"
1963 April 30 0.3"
1953 April 20-21st 1.7"