April Nor’easter

A Nor’easter storm brought heavy rains and snow to many parts of the Northeast yesterday.

The National Weather Service defines a nor’easter as a strong low pressure system that affects the Mid Atlantic and New England states and can form over land or over coastal waters.

Nor’easters are most commonly associated with winter storms, but can occur at any time of year.

Here are the Snowpril snow totals so far, courtesy of the Weather Channel.

Over at Wunderblog, Dr. Jeff Masters remarks that we’ve now had two major Nor’easters this season: one in October and one in April:

What’s crazy about this Nor’easter is that it is only the second significant Nor’easter of the 2011-2012 snow season. The other major Nor’easter occurred October 30-31. It’s pretty bizarre to have your only two significant Nor’easters of the season occur in October and April – and none in November, December, January, February and March.†

Dr. Masters adds that word on the street is that NOAA’s National Climatic Data Center will probably end up classifying last year’s October 30-31 Nor’easter as 2011’s 15th billion-dollar weather disaster.

Here’s NOAA’s animation of the storm’s movement April 20-23 from the GOES-13 satellite:

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