Consider the following 1 Warm sea surface temperature 2 A pre existing...........

Geography World - Water Bodies

Consider the following

1. Warm sea surface temperature

2. A pre-existing weak- low-pressure area or low-level-cyclonic circulation

3. Upper divergence above the sea level system

Which of the above are necessary conditions for formation of tropical cyclones?

1 and 2 only

2 and 3 only

1 and 3 only

All of the above

The necessary conditions for formation of tropical cyclones are:

? Continuous supply of abundant warm and moist air

? Warm Sea temperature in lower latitudes should be around 27°C

? They develop in inter-tropical convergence zone

? pre-existing weak- low-pressure area or low-level-cyclonic circulation

? Upper divergence above the sea level system

? A distance from the Equator is necessary, so that it allows the Coriolis effect to deflect winds blowing toward the low pressure centre

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