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Synoptic analysis of intensive inversions' pattern of Tehran
During resent century unsuitable growth of Tehran and haven’t considered correct rules of urban planing about the streets and residential buildings, have caused an intensive air pollution specially during the intensive inversions.
Totally four synoptic patterns will be caused intensive inversion in Tehran, that will make the pollution's condition worse.
In pattern A number 1, C, and D, settlement of a deep ridge in 850 and 700 hp , dynamic stability and also transforming the warm air of lower latitudes on cold air of surface level are causing intensive inversions. But in pattern A number 2 and B, The advection of cold air in surface level with an anticyclone system, settling the trough on Tehran in 700 and 500 hp have caused an intensive stability.
Key words : Pollution, Inversion, Tehran, Synoptic