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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 image shows a northeaster on a radar. From April 15-17, 2007, heavy rain and snow fell on the East Coast because of this northeaster. Parts of the East Coast were flooded from the large rainfall. People from South Carolina to Maine were left without power because of the strong winds.

Last modified August 1, 2008 by Vanessa Pearce.

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Traveling Nitrogen Classroom Activity Kit

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Type of Wind: Northeaster

Northeasters, also known as nor’easters, are cold winds that can bring heavy snow or sleet. These winds blow from 40-55 mph (64.5-88.7 kph). They are classified as gale winds. Most snowstorms in the eastern...more

How Radar Works

Radar is short for "radio detection and ranging". A radar dish sends out pulses of radio waves. These waves bounce off objects and return to the dish. A radar echo shows up on the monitor and shows where...more

Rain

Raindrops form when tiny water droplets collide together in clouds to form bigger ones. When they get too heavy, rain falls out of the clouds. Rain is more than 5mm in diameter. The types of clouds that...more

Wind

Wind is moving air. Warm air rises, and cool air comes in to take its place. This movement creates the winds around the globe. Winds move at different speeds and have different names based on their speed....more

Rainbows

Rainbows appear in the sky when there is bright sunlight and rain. Sunlight is known as visible or white light and is actually a mixture of colors. The sun's rays pass through millions of raindrops. A...more

The Four Seasons

It takes the Earth one year to travel around the sun one time. During this year, there are four seasons: summer, autumn, winter, and spring. Each season depends on the amount of sunlight reaching the...more

Research Aircraft

Scientists sometimes travel in airplanes that carry weather instruments in order to gather data about the atmosphere. These research aircraft bring air from the outside into the plane so scientists can...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF