Saturday, February 5, 2011

Mostly rain?

Looks like this storm today has shifted even further north and west than what the models expected yesterday.  This will significantly my forecast from yesterday.

The mid levels of the atmosphere, where the precipitation develops will be warming up quickly over the next few hours, climbing to above freezing.  This will cause any precipitation south of Tilton/Laconia area to fall as either rain or a wintry mix.  South of Nashua, NH, I'm expecting mainly rain now, no accumulating snow.  There could be a few heavy downpours today.  This is going to cause some minor flooding problems were street drains are clogged with snow and ice.  Between Nashua and Laconia there will be an extended period of sleet and freezing rain.  Temperatures really won't climb above freezing north of Concord, so there could be some slick spots on untreated roadways.  Look for the precipitation to end as snow late tonight, less than 2" expected.

The jackpot for snow will be north of Laconia.  The mountains will do well today and tonight.  All snow up there.  Look for 6-12 inches.  Ski Resorts will be happy.

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Thanks for reading!

-Jon K.

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