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Winds - Measuring ocean winds from space
MULTIMEDIA GALLERY
QuikSCAT Data
Typhoon Nanmadol
Typhoon Nanmadol
12/01/2004

This image, produced from data collected by the SeaWinds scatterometer instrument onboard NASA's QuikSCAT mission reveals the details of the surface winds and rain in Typhoon Nanmadol as it moves westward. The data was collected on 1 Dec. 2004 at approximately 8 in the morning.

SeaWinds uses radar to peer through clouds and darkness to measure the near-surface wind speed over the ocean on a daily global basis. In this image of Typhoon Nanmadol, ocean wind speed is shown in color with wind barbs showing the wind direction. The Typhoon eye is visible as a brown patch within the purple area of most intense wind speeds (50+ knots) and rain. The red area of high winds (30+ knots) extends over 800 km around the eye. The grey area in the center left is the Island of Yap. The typhoon is moving about 28 mph to the west-northwest and is gathering strength before it hits the Phillipines a few days later, leading to 1000 casulties according to Reuters.

Credit: NASA/JPL-Caltech

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