Ice-out Watch 2009 (false colour) - April 23

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Satellite image of ice break-up in Temagami, 2009

Posted Fri Apr 24, 2009                                                                         Photo: NASA/NOAA

Black ice

Under cotton-ball clouds, the ice thins and black ice expands.

There is growing open water on lakes Timiskaming and Nipissing.

Since April 21 day- and night-time temperatures have ranged between 0 and 10 C.

 

 

False colour, like infrared, enhances the view of ice and snow.

       KEY

 
Black open water or thin, clear ice
Dull/ dark blue thin ice with little or no snow cover
Bright turquoise thick ice, snow-covered ice or snow on unforested land  (e.g. clearcuts, farmland)

 

   

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