What a happy birthday I had recently. I was lucky enough to
catch the frazil ice collecting, breaking up, and re-coagulating
in the Hudson River at The Glen while I was standing on the road
within feet of where it was happening. It was a cold day, in the
teens, but I have finally figured out how to dress warmly enough
to stay perfectly comfortable for three hours.  For anyone new
to my column, frazil ice is the “river ice” that looks a lot
like slush as it floats down the river by the ton on cold days
when it is not snowing. Frazil can start forming when the air
temperature is about 25 F. if the water is already at 32, but
the below 0 F. days were great for creating massive amounts,
which fills the river starting at 1000 Acre Ranch 5 miles south
of the Thurman bridge.  Frazil is most noticeable between
Warrensburg and The Glen because roads go along the Hudson on
both sides for much of the way. Some years the brilliant white
ice has filled the river almost all the way to North River. Last
winter was the first