Typhoon: Within most of the northwestern Pacific

Within most of the northwestern Pacific, there are no official typhoon seasons as tropical cyclones form throughout the year. Like any tropical cyclone, there are several main requirements for typhoon formation and development. Kalmaegi, Asia's most powerful tropical storm this year, forced six of Vietnam's airports to close ahead of its arrival. The tropical cyclone information on this website is based on the advisories issued by Regional Specialized Meteorological Centres (RMSCs), Tropical Cyclone Warning Centres (TCWCs), and official warnings issued by National Meteorological and Hydrological Services (NMHSs) for their respective countries or regions. The advisories and warnings are issued by the respective RSMCs, TCWCs and the NMHSs in the Typhoon Committee region. Information presented in tropical cyclone advisories and warnings ... Typhoon Kalmaegi, Asia's most powerful tropical storm this year, makes landfall in Vietnam with winds of up to 92 mph Kalmaegi killed at least 114 people and drowned entire towns in the ...