ATOC 4720: class 6: Winds and precipitation

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Presentation transcript:

ATOC 4720: class 6: Winds and precipitation Scales of motions Longitudinally averaged zonal winds Tropospheric winds at different latitudes 2. Precipitation

Class 5: The temperature distribution and its measurement Sharp drop In water 80% mass All water (homo or heter?)

1. Winds in the earth’s atmosphere Spatial scales of motion: (1) Planetary-scale; (2) Synoptic-scale (~a few hundreds of km); (3) Meso-scale (a few tens of KM~hundreds km); (4) Small-scale (< a few 10km).

Planetary scale winds: zonal mean

Winds in tropical stratosphere

Winds in troposphere: middle & high latitudes

Surface Pressure

Winds in the tropics

Easterly wave Perturbation

Asian-summer monsoon

2. Precipitation

Precipitation January

July