1. About the Datasets

1. Meteorological Satellite Images Meteorological satellite images on this Website are provided from the following organizations.
   1. December 1978 - November 1979, March 1981 - April 1995 We use Satellite images (VISSR) from Japan Meteorological Business Support Center (JMBSC).
   2. May 1995 - May 2003 We use satellite images received at Institute of Industrial Science (IIS), University of Tokyo.
   3. June 2003 - We use land-line distribution by Japan Meteorological Business Support Center (JMBSC), and for visible imagery of MTSAT-1R (Himawari 6), we use satellite images (HRIT).
   4. October 2006 - July 2015 (Visible Imagery Only) We use satellite images received and archived at Earthquake Research Institute (ERI), University of Tokyo and Institute of Industrial Science (IIS), University of Tokyo.
   5. July 2015 - (Visible Imagery Only) We use satellite images delivered and released from National Institute of Information and Communications Technology. You can also browse these satellite images at Himawari-8 Real-time Web.
2. Best track dataset for Western North Pacific Best track dataset for Western North Pacific is based on the observation and analysis of Japan Meteorological Agency. The latest typhoon information is obtained from, in the beginning Japan Meteorological Agency. The real time data is obtained from NOAA.
3. Best track dataset for Western South Pacific Best track dataset for Western South Pacific is graciously distributed from Bureau of Meteorology, Australia, and can be downloaded from its website.
4. Digital Elevation Model The digital elevation model of this web site is based on GTOPO30 - Global Topographic Data.
5. Blue Marble Data The background of some images are generated from Blue Marble, 1km full resolution data. This dataset cannot be downloaded directly from the web site, but can be freely downloaded on request.

We express our deep appreciation to those people (especially to Prof. Yoshifumi Yasuoka and Prof. Masaru Kitsuregawa, University of Tokyo) who are providing access to data mentioned above.