Orographic rainfall is rain that is produced from the lifting of moist air over a mountain. The moist air rises and cools, producing orographic clouds, which are the source of the rain. Most orographic rain falls upwind of the mountain range, with some also falling a short distance downwind. This process can produce any type of precipitation, including snow, sleet, hail or freezing drizzle.Continue Reading
Orographic precipitation, also known as relief precipitation, typically affects mountainous areas near coastlines. When these areas are subjected to consistent winds, a wetter climate is generally present on the windward side and a drier, almost desert-like climate is present on the downwind side. This is due to orographic precipitation, which removes the wetness from the air. This dry region is also referred to as a rain shadow.
Many people do not realize that the Hawaiian Islands are affected significantly by orographic precipitation. Interior Hawaiian uplands may receive more than 100 inches of precipitation due to orographic precipitation, while coastal areas receive 20 to 30 inches of precipitation. The tops of moderately high uplands may receive as many as 475 inches of precipitation, while on the downwind side, rain shadow areas receive fewer than 20 inches of precipitation.Learn more about Rain
Relief rainfall, also known as orographic rainfall, is a type of rain caused by warm, moist air that is forced to rise as it passes over higher elevations. As the moist air rises, it also cools and condenses, forming clouds and eventually, rain.Full Answer >
Convectional rainfall occurs when the sun's heat causes water vapor at the Earth's surface to rise up into clouds. When the cloud is heavy enough, rain falls.Full Answer >
As of 2014, the rainiest place in the world is Mawsynram, Meghalaya State, India, with about 467 inches of rainfall every year. This small mountain community is soaked during monsoon season every year, with about 90 percent of their annual rainfall falling at that time.Full Answer >
The average annual rainfall in Orlando, Florida, usually falls between 50 and 55 inches, with records from 1981 to 2010 indicating an average precipitation of 50.7 inches. In 2014, Orlando received 55.35 inches of rainfall.Full Answer >