red flag warning

noun

red flag warning

noun
1

Climatology, Meteorology, Natural sciences US A warning issued by the United States National Weather Service that conditions are ideal for wildfires.

  • During red flag warnings, firefighting agencies will alter their staffing and equipment resources dramatically to accommodate the increased forecast risk.2014, Jeffery Sims, The No-Nonsense Guide to Heat Wave, Drought, & Hot Weather Safety:

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