Shahriar said Bangladeshi officials would go to the affected areas once the airport in Salalah resumes operations. To place this in context, Oman's average rainfall is 117mm annually.
It was the strongest cyclone ever recorded to hit southern Oman.
The NCM also predicts that Mekunu will intensify into a Category 2 cyclone over the next 12 hours, with an expected wind speed of between 155 to 165 km/h.
It should be noted that after blockade of Qatar, his Arab neighbours the port of Salalah has become a transit point through which the besieged Emirate deliver food, so indirectly the cyclone hooked and Qatar.
Cyclone Mekunu caused flash flooding that tore away whole roadways and submerged others in Salalah, Oman's third-largest city, stranding drivers.
The holiday destination's now-empty tourist beaches were littered with debris and foam from the churning Arabian Sea.
Police said a 12-year old girl died when a gust of wind sent her smashing into a wall.
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Portions of Salalah, home to some 200,000 people, lost power as the cyclone made landfall.
Yemeni security officials said rescuers recovered two bodies on Socotra, while more than 30 people remain missing.
Later, Socotro governor Ramzy Mahrous told Saba news agency that four sailors who were missing were found alive on Friday.
Salalah Port Services Co said that operations at the port had been halted because of the damage caused by the cyclone and that it would take a minimum of 72 hours to "make the port safe".
Meanwhile, the National Emergency Management Center said that it has rescued 285 people so far.
In Salalah, the heavy rain had nearly stopped on Saturday, an AFP photographer said, but many streets were still under water and nearby valleys were flooded.