Cyclone Mocha intensified into a very severe cyclonic storm on Friday morning around 5:30 am. 

Rainfall is likely to increase in Tripura, Mizoram, Nagaland and Manipur until Sunday, May 14, the India Meteorological Department (IMD) said.

Here's a look at the damage that can be caused by the cyclones:

The extent of damage depends on wind strength at the time of landfall.

Formation of a Tropical Cyclone

Effect on coastal areas: Some damage

Severe Cyclonic Storm

Effect on coastal areas: Extensive damage

Very Severe Cyclonic Storm

Effect on coastal areas: Devastating

Extremely Severe Cyclonic Storm

Effect on coastal areas: Catastrophic

Super Cyclonic Storm

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