fire caused by 2 reasons:
1. Originating from natural
Forest fires that occur naturally arise from many causes. Like lightning twigs friction coating The volcano blast rocks adversely. Reasonable crystalline rocks. The sun shines over the drip Engine chemical in soil, forest swamp. (Spontaneous Combustion), but an important reason is that
.1.1 the lightning caused forest fire occurrence in major khetopun. In the United States and Canada (Figure 1.7) found that more than half of the forest fires that occur are caused by lightning. This is where the lightning can be divided into 2 categories:
.(1) dry lightning (Lightning Red or Dry) is lightning that occurs when there is no rain occurs during the dry season. Bolt will be red. Due to the clouds called clouds, lightning, clouds, it will have the exact figures annually. (2) wet lightning (Lightning Blue or Wet) is the lightning that occurs alongside the occurrence of thunderstorms (Thunderstorm), thus sparking caused by lightning, it usually does not cause a fire, or it may occur, but has not gone so far. Lightning in the tropical countries, including Thai is often a lightning wet. It hardly is the cause of this tropical forest fire.