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National Weather Service Releases the Winter Weather Outlook for 2010/11

winter weatherOverall predictions for the 2010-2011 Winter season call for better chances than normal for temperatures to be above normal and precipitation below normal. This should result in a less active winter when compared to last year in which snow and overall precipitation was well above normal.

The main climate signal is La Nina in the Pacific Ocean which typically weakens the jet stream in winter and shifts it slightly north. This usually means a reduction in winter storms and precipitation. That said this prediction does not mean there will be no winter storm activity in NC this winter. It is worth noting the record snowfall which buried Central NC under 2 feet of snow on January 25,2000 (see occurred during a La Nina cycle.

For details on the NOAA Winter outlook please see

NOAA/NWS description of El Nino & La Nina cycles:  El_Nino_La_La_Nina

Jeff Orrock, Warning Coordination Meteorologist, National Weather Service – Raleigh

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