NWCG: Fire Weather Cloud Chart

National Wildfire Coordinating Group (USFS/DOI) · 1 page

CBRN & Disasters · Natural Disasters & Fire

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Fire Weather Cloud Chart Fire Weather and Fire Behavior Impacts from Clouds High Clouds: Cloud bases typically 16,000 - 50,000 ft (5 - 15 km) Usually seen as indirect indicators of potential behavior Cirrus Streaks Cirrus Cirrus Cirrus Cirrostratus Cirrostratus Cirrostratus Cirrocumulus - Single or multiple bands - Dense, in patches, not - Anvil-shaped remains - In hooks or filaments, - Cirrus bands, transparent, - Cirrus bands, covering - Sun mostly visibile -- Alone or with some cirrus across

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