Severe Weather
 Official Observations

This web site is operated
on behalf of WMO by

Hong Kong Observatory
of Hong Kong, China.
  A Centralized Web Site for
Severe Weather around the World
     This is a World Meteorological Organization (WMO) web site that provides a single and centralized source for the media to access official warnings and information issued by National Meteorological and Hydrological Services (NMHS) efficiently and effectively. This web site is developed and maintained by the Hong Kong Observatory (HKO). A total of 21 WMO Members are participating in this operation. This web site began trial run on 10 September 2001 and became operational on 23 March 2005.
     This web site currently covers tropical cyclones in the following regions:
  • Western North Pacific Ocean and South China Sea
  • South-East Indian Ocean, Arafura Sea, Gulf of Carpenteria, Coral Sea, Solomon Sea and Gulf of Papua
  • South-West Pacific Ocean
  • Tasman Sea
  • Central North Pacific Ocean
  • South-West Indian Ocean
  • Bay of Bengal and the Arabian Sea
  • Caribbean Sea, Gulf of Mexico, North Atlantic and eastern North Pacific Oceans
    The information provided or linked to by this World Meteorological Organization (WMO) web site are advisories issued by Regional Specialized Meteorological Centres (RSMCs) and Tropical Cyclone Warning Centres (TCWCs) on basic information of the current tropical cyclones, and official warnings issued by National Meteorological and Hydrological Services (NMHSs) for their respective countries or regions. The media may use this information for their broadcasting services on the radio or TV. When doing so, it should be indicated that they are issued by or the respective RSMCs, TCWCs, and NMHSs.
     Apart from tropical cyclones, the web site also covers other severe weather types such as heavy rain/snow and thunderstorms. More weather types will be included in the future.
  Summary of major events of SWIC
If you have any suggestions, please send an email to swic_wm@worldweather.org.