Pressure Levels
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Description and Tags
Description of the major pressure levels used in meteoroloy and what heigh they are at.
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8 Terms
1
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150 mb
Typical height of tropopause over tropics14000m
2
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200mb
typical level of subtropical jetstream 12000m
3
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250mb
level of mid latitude “polar” jetstream 10500m
4
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300mb
Near cruising level of most commercial aircraft, Pressure at the top of Mt Everest 9000m
5
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400mb
7500m
6
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500mb
Approximately halfway up (based on pressure), Typiaclly assess upper level divergence/ convergence here 5500m
7
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700mb
Assess vertical veolcity and relatibve humidiy for cloud and precipitation formation(most clouds that produce precipitation will pass through this level 3000m
8
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850mb
Assess lower troposphere temperature advections 1500m
Note 
Flashcards (203)