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The 2012 Colorado forest fires broke the record for most destructive fire twice and led to declaration of a federal disaster area in June 2012. [5] The 2013 Colorado forest fires, fueled by high heat and winds [ 6 ] again broke the record for the most destructive and included what was the second largest fire (by area) in Colorado history until ...
NFDRS is a complex set of equations with user-defined constants and measured variables to calculate the daily index and components that can be used for decision support. [3] A Fire Danger Rating level takes into account current and antecedent weather, fuel types, and live and dead fuel moisture. [5]
The index is calculated over three ranges of atmospheric pressure: low elevation (950-850 millibars (mb)), mid elevation (850-700 mb), and high elevation (700-500 mb). [ 2 ] A Haines Index of 6 means a high potential for an existing fire to become large or exhibit erratic fire behavior, 5 means medium potential, 4 means low potential, and ...
A fire danger index of between 12 and 25 on the index is generally considered a "high" degree of danger, while a day having a danger index of over 50 is considered a "severe" fire danger rating. Above this level in 2010 a distinction was made between forest and grassland fuels. For forest fuels, an FDI over 75 is categorised as "extreme" and ...
Fire history, the ecological science of studying the history of wildfires, is a subdiscipline of fire ecology. Patterns of forest fires in historical and prehistorical times provide information relevant to the vegetation pattern in modern landscapes.
The 2002 Colorado wildfires were the worst in the state's recorded history, with over 2,000 fires burning 502,000 acres and forcing 81,000 residents to evacuate. On June 4, 2012, the Colorado state legislature created the Colorado Division of Fire Prevention and Control (DFPC) within the Colorado Department of Public Safety , transferring ...
The National Wildfire Coordinating Group (NWCG) was formed in the United States as a result of the aftermath of a major wildfire season in 1970, including the Laguna Fire. The 1970 fire season underscored the need for a national set of training and equipment standards which would be standardized across the different agencies.
Rank Event Date Firefighter Fatalities Coordinates Reference 1 September 11 attacks: September 11, 2001: 343 1]: 2 Great Fire of 1910: August 22, 1910