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Forecast



Tropical Cyclone Track and Position

When a tropical cyclone forms within or enters the area bounded by 7-36N and 100-140E, the Observatory will issue the first tropical cyclone track within two hours.





Notes
(1) When a tropical cyclone is located within the above area but outside the area bounded by 10-30N and 105-125E, the Observatory will update the tropical cyclone track at 04:00, 10:00, 16:00 and 22:00 Hong Kong time (corresponding to the observation time at 02:00, 08:00, 14:00 and 20:00 respectively).
(2) Tropical cyclone warnings for shipping will be issued by the Observatory for tropical cyclones located within the area bounded by 10-30N and 105-125E. The forecast tracks for these tropical cyclones will be updated at 3-hourly intervals.

Last revision date: <17 May 2019>