Term
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Definition
| Developed the polar front theory (Norwegian Cyclone Model) |
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Term
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Definition
| The formation of cyclones |
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Term
| Cyclones begin along what type of front? |
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Definition
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Term
| In cyclogenesis,warm air attempts to push ____ and cold air attemps to push ___ |
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Definition
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Term
| In cyclogenesis, ____ pressure forms developing a ripple in the ____ front |
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Definition
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Term
| In mature cyclones, deep low pressure center forms from ______ |
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Definition
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Term
| After a low pressure center forms, strong ____ and _____ fronts develop |
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Definition
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Term
In a mature cyclone, strong storms exists along the _____ front |
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Definition
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Term
What happens during occlusion of the mature cyclone? |
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Definition
| Faster moving cold front catches the slower moving warm front and cold wair forces the warmer air up |
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Term
When is the storm at its max strenth? |
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Definition
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Term
| After occlusion the storm _____ |
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Definition
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Term
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Definition
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Term
| In the middle and upper troposheric air flow, voricity is ____ |
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Definition
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Term
Define relative vorticity |
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Definition
| the spin of air in reltion to Earth's surface. |
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Term
| Define absolute vorticity |
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Definition
| The sum of relative vorticity and Earth vorticity (rotation) |
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Term
| If the absolute voricity is positive, the air spins _____ and if it's negative the air spins ____ |
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Definition
counterclockwise, clockwise |
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Term
A trough is a ____ rossby wave |
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Definition
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Term
| A ridge is a ____ rossby wave |
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Definition
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Term
| Changes in vorticity triggers changes in ______ |
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Definition
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Term
| Troughs develop behind ____ fronts |
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Definition
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Term
| ______ develop behind warm fronts |
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Definition
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Term
| What does upper level convergence relate to? |
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Definition
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Term
| Air at 500 mb steer the motion of ____ |
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Definition
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Term
During _____ there is stronger air flow so there are faster moving storms |
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Definition
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Term
| Winter brings what kind of storms? |
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Definition
More frequent and stronger |
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Term
| What are the different types of air flows that affect Illinois? |
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Definition
| Alberta Clipper, Colorado Low, East Coast Low |
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Term
| Upper-air divergence is necessary for ____ |
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Definition
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Term
| ______ strengthens if divergence aloft exceeds surface convergence |
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Definition
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