Fuels And Fire Danger
As part of the Open Burning Weather Awareness Campaign from the National Weather Service in Burlington, we will examine the topic of
fuels and fire danger.
Coinciding with the peak fire season in Vermont and New York, the months of April and May, is the fact that the area is in a pre-greenup
phase. This is when the ground is bare, brown, and dry due to dormant grasses, dead leaves, needles, and small brush. These materials are
fuels that can dry very quickly under full sunlight, warming temperatures, low relative humidities, and wind. If a fire were to start in
these conditions, it could quickly spread out of control.
The photo below (courtesy of Brooke Taber, National Weather Service) is an example of dry, fine dead fuels in Vermont (April 2013).
High pressure has built into the region resulting in several factors to help dry the fine fuels – full sunshine, no precipitation,
and low relative humidities.
Forest agencies such as the Vermont Department of Forests, Parks, and Recreation, and the New York State Forest Rangers monitor fire danger.
Fire Danger examines the state of the fuels and weather conditions. These elements determin how easily a fire could start, how fast it would
spread, the difficulty it would take to control the fire, and the fires impact. Fire Danger can range from the Low category indicating fires
do not readily start, to the Extreme category which indicates any fire starts would spread quickly and burn intensely.
|Fire Danger Rating Adjectives
|You've Probably Seen It This Way
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(All photos taken on Vermont fires in 2012 and are courtesy of Brooke Taber, NWS Burlington, Vermont)