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This animation shows a northeaster moving up the East Coast.
Animation Courtesy of NOAA/National Climatic Data Center

Northeaster in Action

This radar image shows a northeaster that moved through the east coast of the United States on April 15-17, 2007. Several areas in the Mid-Atlantic and northeast regions were flooded because of heavy rain that fell along with strong winds. 7.6 inches (1.92 meters) of rain fell in New York City on April 15th from this northeaster. Accumulations of as much as 17 inches (43 cm) of snow fell in high elevation areas of northern New York, Vermont, and New Hampshire. This animation helps demonstrate how a northeaster builds in intensity. As the storm moves from the Atlantic Ocean onto land then to the areas of higher elevation, you can see the strong spin of the storm and the change in color from blue to yellow. A northeaster starts to weaken when it moves onto the higher terrain. The blue color represents clouds that are closer to the ground while the yellow color is colder clouds higher in the atmosphere. This northeaster affected the runners of the Boston Marathon. Strong winds also caused power outages from South Carolina to Maine.

Last modified August 1, 2008 by Vanessa Pearce.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA