Timeline
The trajectory of Cyclone Mahasen. Map by Global Disaster Alert and Coordination System
May 16
4:00pm: After crossing Noakhali-Chittagong coast, Mahasen turns into a land depression and lies over Sitakunda, Feni, Khagrachari and adjoining Indian state of Tripura.
Noon: Cyclone reaches Sitakunda on way to Noakhali-Chittagong coast.
9:00am: Mahasen hits Kuakata of Patuakhali. Crossing over Barguna, it lashes Charfassion and Char Kukrimukri upazilas of Bhola before crossing over Noakhali.
6:00am: It moves slightly north-northeastwards, setting its course towards may hit Chittagong-Cox’s Bazar coast.
Zero hours: Cyclone Mahasen set to cross between Patuakhali (Khepupara)-Teknaf coast near Chittagong by noon. Moving slightly north-northeastwards, it is centred about 555kmsouthwest of Chittagong port, 500km southwest of Cox’s Bazar port and 445km south southwest of Mongla port.
Maximum sustained wind speed within 54km of the storm centre is about 62kph rising to 90kph in gusts or squalls.
May 15
10:00pm: It is centred about 635km south southwest of Chittagong port, 580km southwest of Cox’s Bazar port and 515km south southwest of Mongla port.
6:00pm: The cyclone is centred about 700km south southwest of Chittagong port, 640km southwest of Cox’s Bazar port and 575km south southwest of Mongla port.
Afternoon. The cyclone moves slightly north-northeastwards after approaching Bangladesh coastline within around 600km.
May 14
At midnight, Mahasen’s eye was about 1,235km south-southwest of Chittagong port, 1,160km south-southwest of Cox’s Bazar port and 1,145km south-southwest of Mongla port.
May 13
At 1:00am, the eye of the cyclone is around 1,425km south-southwest of Chittagong port, 1,345 km south-southwest of Cox’s Bazar coast and 1,350km south of Mongla port.
May 12
Mahasen moves slowly towards the Chennai coast of India with the possibility of shifting its course towards Bangladesh.
May 11
The cyclone Mahasen in the Bay of Bengal is moving north-westwards, prompting the country’s three maritime ports — Chittagong, Cox’s Bazar and Mongla — to hoist local cautionary signal 3.
9:00am: Gradually gaining forward momentum, the depression attains gale-force winds and is designated as Cyclonic Storm Mahasen.
It is centred about 1,700km south-southwest of Chittagong port, 1,610km south southwest of Cox’s Bazar port and 1,705km south southeast of Mongla port.
May 10
Originating from an area of low pressure over the southern Bay of Bengal early May, Cyclone Mahasen, after remaining nearly stationary, consolidates into a depression.
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