Envisat sees whirling Hurricane Katrina from ocean waves to cloud tops. ESA's multi-sensor Envisat satellite has gathered a unique view of Hurricane Katrina in the Gulf of Mexico. While an optical image shows characteristic spiralling cloud patterns, a simultaneous radar observation pierces through the clouds to show how Katrina's 250-kilometre-an-hour an hour winds scour the sea surface.
Monday, August 29, 2005
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