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1. There are five types of fog to be found. There is radiation fog which is the cooling of air to dew point by longwave radiation loss and is considered to be a diabatic process (involving the addition of, or removal of heat). This fog develops when the loss of longwave radiation during the night causes cooling to the dew point. This is most likely to occur on cloudless nights. Another type of fog is advection …

…puffy clouds that are arranged in a row. These are often gray and usually contain darker spots. With low clouds we have the subcategories known as stratus, stratocumulus, and nimbostratus. Stratus clouds are layered clouds that form when large areas of stable air are lifted. Stratocumulus clouds are lower layered clouds that have some vertical development. Nimbostratus clouds are also lower layered clouds, but they are know to have a lower liquidity and weaker updrafts.