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根据实地观察,这场大火灾大部分为狂燃型急进地表火和少部分急进树冠火。由于火场大、持续时间长,所以稳进地表火与地下火也均有发生。1、火势凶猛、蔓延迅速这场大火以狂燃急进地表火为主,也伴随急进树冠火(幼中林较密的林分,樟子松林或热流通过的林分),火势发展迅猛异常,火头呈立体状向前推进,由于风大,(一般在7～8级,后来最大达到9级以上,风来时,两个小伙子挎胳臂站不住),火借风势,风助火威,有时火头高达十几米,上百米。烟柱高达几百米,甚至几千米,火线宽达几公里甚至十几公里,铺天盖地向前推进,火头不时闪
According to field observations, the vast majority of the fire was blazing fire and a small part of the canopy fire. Due to the large fire scene and long duration, steady surface fire and underground fire have also occurred. 1, fierce fire, rapid spread The fire to the radical fire into the surface fire-based, but also with the rapid fire into the canopy (young forest more dense forest, Pinus sylvestris forest or heat flow through the branches), the rapid development of the fire exception, Fire head was three-dimensional forward, due to the wind, (usually in the 7 to 8, and later up to 9 or more, the wind, the two lads collapse arm can not stand), the fire by the wind, the wind to help fire Viagra, Sometimes fire up to ten meters, hundreds of meters. Smoke up to a few hundred meters, or even a few kilometers, the fire line up to a few kilometers or even a dozen kilometers, overwhelming to move forward, fire flash from time to time