A common definition of drought is a prolonged period of unusually low rainfall, which leads to water scarcity. They can occur over a long period and can be disastrous for both the economy and human life.
Droughts happen when there is not enough rain for a long period of time. It’s not like a dry spell – there is so little precipitation (rain, snow, sleet or any kind of moisture) that a whole region starts to dry out. Sometimes a drought takes decades to develop fully and they are very difficult to predict.
During the drought there is so little rain that an entire area starts drying up. When there is little or no rain, plants and crops can die because there is an extreme lack of moisture in the soil for them to grow. When the rainfall is below normal for several weeks, months, or years, the water level begins to fall dramatically. If the dry season continues and water-supply problems develop.
It is caused by drier than normal conditions that can eventually lead to water supply problems. Really hot temperatures can make a drought worse by evaporating moisture from the soil. But droughts don’t just happen in hot and dry places. Read More…