Mainely Phenology 1/27/18

Producers/Hosts: Hazel Stark and Joe Horn

Frost Cracks

Photos, a complete transcript, references, and more information available at

The last week of January—in most years, by now we have seen the January thaw come and go, though these days it tends to linger—freezing and thawing, raining and snowing—a season of two minds. But by now, cold days turn into colder nights. Snow squalls thicken the blanket on the Maine woods. In today’s episode, we will be focusing on the crystal clear deathly cold nights of deep winter in Maine and the gunshot-like explosions the quiet observer can often hear echoing off rocks, trees, and snowy hillside: frost cracks.

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