topography and weather
mountain rain shadow
mountains and weather
mountains and climate
mountain affects on weather
Mountains effect the weather and climate around the area. It tends to be wet and rainy on the one side of the mountain, while the other side tends to be dry and clear. You can go to Kilimanjaro to see this interactive image showing how the air masses approaching a mountain affect the weather
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http://www.pbs.org/wgbh/nova/kilimanjaro/weather.html
http://www.colorado.edu/geography/class_homepages/geog_3251_sum08/
According to KidsGeo.com, "Mountains can often act as barriers, diverting wind and moisture, effecting the climate in the areas around it. The side of a mountain facing the wind will have a climate very different from that of the other side of the mountain. Often mountains create a vast shadow, where rain can seldom fall. With rainfall being blocked by vast mountain ranges, these areas become deserts."