NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Satellite map of wind speed and direction over the Pacific Ocean. The arrows represent wind direction & the colours wind speed. Blue indicates wind speeds of 0-14 kilometres per hour (kph), purple & pink speeds of 15-43 kph, red & orange speeds of 44-72 kph. Note the high wind speeds near storms in the South Pacific and south of Alaska. The image was derived from data obtained on 14 September 1978 by the scatterometer instrument on NASA's Seasat satellite; the data was processed in 1989 at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California.
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