Atmospheric Lifting Mechanisms . Convergent Lifting Convectional Lifting Orographic Lifting Frontal Lifting (Cold and Warm Fronts) . Atmospheric Lifting Mechanisms . Figure 8.6. Local Heating and Convection. Figure 8.7. Convection over Florida. Figure 8.8.
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Chinook Winds: The warm and dry winds move down the east slope of the Rockies. As the air descends adiabatically, it is warmed up rapidly. When this occurs in the winter or spring, the winds can melt the snow rapidly.
Santa Ana: During the autumn season, an anticyclone (High pressure center) can reside over the Great Basin of California, the clockwise flow directs air from Arizona and Nevada westward through the Santa Ana Canyon . The already warm and dry winds become warmer and drier (90-100oF) as they descent the mountain slopes. Southern California is dry in the summer, the strong Santa Ana wind (40mph) makes it ready for catastrophic fire.
Foehn Winds: Similar winds created by the Alps in center Europe.
This is a cold front seen from space. Due to the rapid lifting of warm air by the advancing cold air, a sharp line of cumulonimbus clouds can occur, called the squall line.