'Frankenstorm' Full Moon: Hurricane Sandy's Impact Amplified by Lunar Event

The full moon of October may go unseen along the U.S. East Coast due to Hurricane Sandy, but its effect on the storm will be felt. The full moon's tidal effects on Earth will amplify the storm's already large waves, making them a bigger flooding danger than normal, NASA says.

"Very rough surf and high and dangerous waves are expected to be coupled with the full moon," NASA spokesman Rob Gutro explained in the agency's hurricane status report Sunday (Oct. 28). "The National Hurricane Center noted that the combination of a dangerous storm and the tide will cause normally dry areas near the coast to be flooded by rising waters."

The National Hurricane Center said that "Sandy [is] expected to bring life-threatening storm surge flooding to the Mid-Atlantic coast including Long Island Sound and New York Harbor, winds expected to be near hurricane force at landfall," according to Gutro's update.

Hurricane Sandy is currently a Category 1 hurricane with wind speeds of up to 75 mph (150 kph). It is moving northeast at about 14 mph (22 kph) and is merging with a cold front to create a single, more dangerous, super storm that measures nearly 2,000 miles across (3,218 kilometers), covering much of the eastern United States. Weather forecasters have dubbed the huge storm a so-called "Frankenstorm."

With the moon in its full phase, high tides on Earth will rise about 20 percent higher than normal. The full moon will add more power to the already intense storm surge of Hurricane Sandy, which is already expected to reach heights of 6 to 11 feet (1.8 to 3.3 meters) in parts of Long Island Sound and New York Harbor, Gutro wrote. [Hurricane Sandy Turns Into Frightful Storm (Video)]

The higher tides during a full moon occur because at this time the sun, Earth and moon line up with our planet in the center. The cosmic arrangement allows the gravitational pull of the sun and moon to reinforce one another, creating stronger tides on Earth. A similar effect occurs during the new moon, when the sun, moon and Earth line up with the moon in the center.

In fact, the tides during the full moon and new moon are also dubbed "spring tides," taking their name from the German word "springen" (to spring up)," SPACE.com's night sky observing columnist Joe Rao has explained.

Here are some storm surge estimates for parts of the U.S. East Coast, according to NASA and the National Hurricane Center:

• South of Surf City, N.C., 1 to 3 feet;
• North of Surf City, N.C. including Pamlico/Albemarle Sounds, 4 to 6 feet;
• Southeastern Virginia and the DelMarVa (Delaware/Maryland/Virginia) peninsula including the lower Chesapeake Bay, 2 to 4 feet;
• Upper and middle Chesapeake Bay, 1 to 2 feet;
• Long Island Sound and Raritan Bay, including New York Harbor, 6 to 11 feet;
• Elsewhere from Ocean City, Md., to the Conn./R.I. border, 4 to 8 feet;
• Conn./R.I. border to the south shore of Cape Cod including Buzzards Bay, 3 to 5 feet.

NASA and the National Oceanic and Atmospheric Administration are keeping track of Hurricane Sandy with a fleet of satellites, some of which have provided amazing views of the storm from space.

You can follow SPACE.com Managing Editor Tariq Malik on Twitter?@tariqjmalik?and SPACE.com on Twitter?@Spacedotcom. We're also on?Facebook?&?Google+.

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Source: http://news.yahoo.com/frankenstorm-full-moon-hurricane-sandys-impact-amplified-lunar-123844934.html

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