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Computer System Upgrade

A computer system upgrade will cause limited impacts to services between May 13, 2025 and May 15, 2025 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

-- Extreme Cold:
  Extreme Cold Watch/Warning
  Cold Weather Advisory
NWS Philadelphia/Mount Holly

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to see the criteria for issuance