Extreme Events

Never in the historical record have such large areas of the country experienced such radically different temperature extremes as they have so far in 2014.

Wednesday, August 1, 2012

  • A series of unusually strong, long-lasting high pressure systems has parked over Greenland this summer. As many a weather forecaster has explained, high pressure generally leads to calm winds and sunny skies, both of which boost temperatures during the all-day sunshine of mid-summer at high latitudes. The conditions contributed to widespread melting of the ice sheet.