The Last Nor'easter?

By , Expert Senior Meteorologist
Mar 29, 2010; 8:10 AM ET
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The caboose in the train of mega storms from the winter of 2009-2010 is dropping heavy rain along the Atlantic Seaboard and is in the process of triggering a new round of urban, stream and river flooding in the region.

A general 2 to 4 inches of rain will fall in the coastal areas of the Northeast through Tuesday. However, some locations will receive a half a foot of rain, causing March 2010 to be the wettest or top 10 wettest Marches on record for many cities.

River flooding is a concern again this week as rain falls and runs off into spring-season swollen streams and rivers.

Some communities including those along the Passaic River in New Jersey that were flooded a couple of weeks ago may be flooded again.

The heavy rain will lift north of the Delmarva tonight, but will hang on through much of Tuesday over New England before breaking up Tuesday night into early Wednesday.

The rain will back westward into central and western Pennsylvania and New York state late tonight and Tuesday, where wet snow can mix in over the high ground.

This storm lacks the intensity in terms of onshore wind and storm surge of storms in recent months. However, significant coastal flooding and beach erosion will occur. Tides, which are already boosted by the added pull of the full moon, will rise to several feet above published levels due to the storm.

Soggy soil and gusty winds will lead to a few downed trees and tree limbs in New England.

Beyond this troublesome storm, a dramatic change in the weather pattern will take place. Amazing warmth awaits the East during much of April. In fact, temperatures are forecast to surge well into the 70s, if not lower 80s, for the second half of the week.

There is a good chance that the current storm will be the last "major" nor'easter of the season for most of the Northeast.

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Daily U.S. Extremes

past 24 hours

  Extreme Location
High 113° Death Valley, CA
Low 30° Bellemont, AZ
Precip 9.70" Miami, FL

WeatherWhys®

A large, horrific tornado struck the city of Joplin, Mo., last year on this date. The twister cut a deadly path across the south side of the city, leaving over 159 dead and at least 1,150 injured. The Joplin tornado currently ranks as the 7th deadliest tornado in U.S. history.

This Day In Weather History

New Hampshire (1814)
A tornado crossed Merrimac, Litchfield, Londonderry and North Chester. The same storm produced hailstones that had an 11-inch circumference and weighed 1/2 pound.

Northeast (1989)
More rain in an already wet month. Monthly totals topped 11 inches at New York City, 9 inches at Bridgeport, Conn., and 8 inches at Baltimore (all three totals set records for May).

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