"Some gradual development is possible if the system stays over water while it moves slowly northwestward," the NHC said.

You can listen to Nomsa Maseko's full documentary Building a future for cyclone-hit Mozambique on the BBC World Service.

Kolkata has been facing the full force of Cyclone Amphan since it made landfall several hours ago. My building has lost electricity. The telephone network is gone so I'm here with a candle.

Cyclone Mocha crossed the coast between Kyaukpyu ... telecom towers toppled and billboards crashing off buildings. The damage on Monday in Sittwe, where power and phone lines are down.