News Column

NASA sees Hurricane Arthur's cloud-covered eye

July 16, 2014



By a News Reporter-Staff News Editor at Defense & Aerospace Week -- When NASA's Aqua satellite passed over Tropical Storm Arthur on July 2 at 2:50 p.m. EDT on July 2, it saw a cloud-covered eye as the storm was on the way to becoming a hurricane.

This visible image of Tropical Storm Arthur was captured by the Moderate Resolution Imaging Spectroradiometer or MODIS instrument that flies aboard NASA's Aqua satellite. Arthur's center was over the Atlantic Ocean and east of Florida's northeast coast. By 5 a.m. EDT on July 3, Arthur's eye had formed but remained cloud covered even as the storm hit hurricane-strength with maximum sustained winds near 75 mph.

The Atmospheric Infrared Sounder or AIRS instrument aboard NASA's Aqua satellite captured infrared data on Tropical Storm Arthur's cloud tops on July 3 at 2:47 p.m. EDT. The data was made into a false-colored infrared image at NASA'sJet Propulsion Laboratory in Pasadena, California. The image showed powerful thunderstorms around Arthur's center with temperatures near -63F/-53C. Cloud tops that cold tower to the near the top of the troposphere and have the ability to produce heavy rainfall.

By 8 a.m. EDT on July 3, watches and warnings peppered the U.S. Southeast. The National Hurricane Center or NHC issued the following: a hurricane warning is in effect for Surf City, North Carolina to the North Carolina/Virginia Border, Pamlico Sound and the Eastern Albemarle Sound. A hurricane watch is in effect for the Little River Inlet to south of Surf City. In addition, a tropical storm warning is in effect for South Santee River, South Carolina to south of Surf City; the North Carolina/Virginia border to Cape Charles Light; and Virginia, including the mouth of the Chesapeake Bay; and the Western Albemarle Sound.

Keywords for this news article include: Aerospace, NASA/Goddard Space Flight Center.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Defense & Aerospace Week


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