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[2] [3] It is the 17th named storm, the 11th severe tropical storm, the 7th typhoon and overall, the 30th tropical cyclone to be monitored by the Japan Meteorological Agency(JMA) during the year. Nesat came exactly two years after Typhoon Ketsana made landfall in the Philippines as the most devastating typhoon in the 2009 Pacific typhoon season ...
The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) releases tropical cyclone warnings in the form of Tropical Cyclone Wind Signals (TCWS, or "wind signals"). [29] Within this warning system, an area having a wind signal may be under:
The Tropical Cyclone Wind Signals (TCWS, or simply wind signals or signals; [a] Filipino: Mga Babala ng Bagyo) are tropical cyclone alert levels issued by the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) to areas within the Philippines that may be affected by tropical cyclone winds and their associated ...
A close approach of a tropical cyclone to a particular location. For locations on the left-hand side of a tropical cyclone's track (looking in the direction of motion), a direct hit occurs when the cyclone passes to within a distance equal to the cyclone's radius of maximum wind.
Typhoon Nesat (2005) (T0504, 04W, Dante) – a powerful typhoon which approached Japan but eventually stayed at sea. Typhoon Nesat (2011) (T1117, 20W, Pedring) – a strong typhoon that severely impacted the Philippines and South China. Typhoon Nesat (2017) (T1709, 11W, Gorio) — a typhoon that impacted Taiwan and East China.
A very intense tropical cyclone is the highest category on the South-West Indian Ocean Tropical Cyclone scale, and has winds of over 115 knots (213 km/h; 132 mph). [24] [25] At the tenth RA I tropical cyclone committee held during 1991, it was recommended that the intensity classifications be changed ahead of the 1993–94 tropical cyclone season.
A tropical cyclone tracking chart is used by those within hurricane-threatened areas to track tropical cyclones worldwide. In the north Atlantic basin, they are known as hurricane tracking charts. New tropical cyclone information is available at least every six hours in the Northern Hemisphere and at least every twelve hours in the Southern ...
No. 1 signal is an advisory signal for when there is a tropical cyclone centred within about 800 kilometres of Hong Kong. If strong winds are not expected within 24 hours, the issuance of the signal may be delayed. In very rare cases, the signal may be issued when a tropical cyclone is still beyond 800 km from Hong Kong.