秋、冬、春三季,我省盛行西北季风,气候干燥,树叶枯落,草类干枯, 林内易燃物很多,易发生森林火灾.特别是油松、侧柏等含油脂多的针叶林,一但发生火灾,往往造成巨大损失.风是影响森林火灾发生、蔓延以及危害程度大小的主要因素,在扑灭森林火灾时,应根据不同的风向,采取相应的扑救措施,要扑早、扑快、扑净,尽快消灭火源、减少损失. Autumn, winter and spring three seasons, the prevalence of the northwest monsoon in our province, the climate is dry, withered leaves, grass dry, a lot of flammable in the forest, prone to forest fires, especially Pinus tabulaeformis, Platycladus and other oil-rich coniferous forest , But when a fire occurs, it often causes huge losses.Freeze is a major factor that affects the occurrence, spread and the degree of harm of forest fires. When putting out forest fires, corresponding measures should be taken according to different wind directions. Fast, flutter net, as soon as possible to eliminate the source of fire and reduce losses.