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Current Arctic Sea Ice Extent

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The image / animation below depicts recent Northern Hemisphere sea ice extent and concentration as estimated from the Special Sensor Microwave Imager (SSM/I) on board a U.S. Defence Meteorological Satellite. Sea ice concentrations are estimated from the 19.3 and 37 GHz channels of the sensor using the Canadian sea ice algorithm. This image is updated weekly.

Press 'PLAY' to view an animation of the sea ice concentration over the past three months. Press ++ to increase the animation speed or -- to decrease it. Press 'STOP' to pause the animation and << or >> to jump forward or backward through the individual frames. Pressing "RESET" will re-load the most recent image again. You must have a javascript-enabled browser for the animation to work. For other animations, choose the regional option from the menu above.

For additional resources please visit: Current Sea Ice Synopsis

Posted: June 17, 2009

Sea ice extent over the winter has been tracking above the winter ice extent of the last few years. However more recently it has dipped to values close to the last few years. As of June 15, 2009, Environment Canada analysis indicates that sea ice over the Northern Hemisphere is approximately 11.5 million sq. km. which is close to the value in 2007 for this time of year (click to see comparison with the last four years). 

Regional Ice Chart Products

These products show the differences of concentration between the current regional ice chart and the Median of Ice Concentration for the period 1971-2000 as shown in our climatic ice atlases. Departure from Normal Concentration

Sea Ice Extent Anomoly Maps

Press 'PLAY' to view an animation of the sea ice anomolies over the past 4 months. Press ++ to increase the animation speed or -- to decrease it. Press 'STOP' to pause the animation and << or >> to jump forward or backward through the individual frames. Pressing "RESET" will re-load the most recent image again. You must have a javascript-enabled browser for the animation to work.