Enhanced Hazardous Weather Outlook Criteria

The various criteria used to change hazard colors are listed below.


Low Impact


Moderate Impact


Significant Impact




  No thunderstorms forecast     No frost/freeze concerns
  Some thunder possible; no severe weather expected     Patchy or Areas of frost
  Severe thunderstorms possible     Widespread frost or freeze




  No impact from snow/ice expected     Less than 30 mph (including gusts)
  Some impact to people and/or travel     Winds of 30 to 57 mph possible
  Significant impact to people and/or travel     Winds greater than 58 mph possible




  No flooding or heavy rain     Winds/waves below small craft advisory level
  Locally heavy rain (or ice jams)     Small craft advisory conditions
  Heavy rain/flooding     Gale/storm conditions, waterspouts



Extreme Temperature

  No fog     No temperature impacts
  Patchy or areas of fog     Advisory level heat or cold
  Widespread fog     Warning level heat or cold

Rip Currents


Fire Weather

  Low risk of rip currents     Low fire danger
  Moderate/High risk of rip currents     Elevated fire danger (strong winds/low humidity)
  Moderate/High risk of rip currents     Red Flag conditions

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