NWCG: NWCG Fire Environment Poster
CBRN & Disasters · Natural Disasters & Fire
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Sun, Heat, Wind Speed Humidity, and Rain and Wind Direction Clouds foretell The sun’s radiation heats fuels and lowers concerns about lightning and Cloud and Plume Indicators Poor air quality is a concern for firefighters Wind is the primary threat to safety on wildfires. Changes in windspeed and humidity. It creates a more unstable changing Smoke columns point out key and public. direction occur throughout the day based on the atmosphere. Bright, sunny days with above winds. the forces outlined
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