An Arctic heat wave ushered in the start of the melt season two weeks earlier than average

A significant melt event is unfolding in Greenland this week.
With temperatures nearly 20 degrees Fahrenheit higher than usual in some areas, the southern part of the ice sheet is melting at its highest rate this season. Forecasts suggest that the melting on Greenland’s South Dome—one of the highest elevations on the ice sheet—may be the strongest for early June since 1950.
It worries experts that Greenland could be priming for another big melt season.
Early melting this spring, low snowpack in some areas and the potential for strong high-pressure weather systems…
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