50-07. PRESSURE SYSTEMS
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1. Extensive cloud and precipitation is often associated with a non frontal thermal depression because of:
2. (Refer to figure 050-31)
The arrows labelled “T” represents the mean tracks of tropical revolving storms which occur mainly from:

3. Significant weather phenomena are usually associated with a low pressure areas because of:
4. What type of air movement is associated with the centre line of a trough?
5. What surface weather is associated with a stationary high pressure region over land in the winter?