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If you’re someone who tends to worry about Arctic sea ice losses, this coming week’s weather forecast looks like a bit of a doozy. And when you consider that the sea ice is both greatly weakened and thinned in a number of the major monitors, prospects don’t look very good, presently, for 2017’s summer melt season as whole.

Abnormal Warmth Over Greenland and Baffin and Hudson Bays

Over the next 48 hours, Baffin and Hudson Bays will experience the tail end of what an extreme warm-up that produced exceptional May surface melt over the Greenland Ice Sheet and then shifted westward.

(An extreme early May warming over Greenland this week produced considerable surface melt well outside the 2 standard deviation range. Today, the warmth has shifted west over Baffin and Hudson Bays. Later this week, a similar strong warm-up is predicted to impact the Pacific side of the Arctic…