National Weather Service United States Department of Commerce

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

WFO PHI Weather Product Criteria

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-- Winter Storm:
  Winter Storm Watch/Warning
  Winter Weather Advisory
  Snow Squall Warning

-- Freezing Rain:
  Ice Storm Warning

-- Blizzard:
  Blizzard Warning

-- Wind Chill:
  Wind Chill Watch/Warning
  Wind Chill Advisory
NWS Philadelphia/Mount Holly

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