Last month's ocean winds

This image shows the average wind speed over the Earth's oceans during the past month. It was created using data from the Special Sensor Microwave Imager (SSM/I). This is one of the instruments on a Defense Meteorological Satellite Program (DMSP) satellite.


Credit: SSM/I instrument, Defense Meteorological Satellite Program. Image copyright Rice University.

For more info: http://www.ngdc.noaa.gov/dmsp/dmsp.html