Fires that develop headway in heavy slash or in conifer stands may be unmanageable while the extreme burning condition lasts. Direct attack is rarely possible and may be dangerous except immediately after ignition. Development into high intensity burning will usually be faster and occur from smaller fires than in the very high fire danger class.
A Red Flag Warning can be issued at any Fire Danger level.įires start quickly, spread furiously, and burn intensely. Description of Fire Danger Ratings Adjective Rating Class and Color CodeĪ short-term, temporary warning, indicating the presence of a dangerous combination of temperature, wind, relative humidity, fuel or drought conditions which can contribute to new fires or rapid spread of existing fires.
