(JMA) and US Navy Joint Typhoon Warning Center (JTWC) | naval typhoon
DigitalTyphoon[1]providestyphoon-relateddatabasedonourownviewpoint,butcriticaldecisionsshouldbemadeonreliabletyphoon(tropicalcyclone)information.HencewerecommendthefollowingtwositesasreliableinformationsourcesandprovidelinksinTyphoonNewsWeblog[2].Comparisonofinformationfromtwosourcesislikegettingasecondopinionontyphoonforecast.JapanMeteorologicalAgencyTyphooninformationproducedbyJapanMeteorologicalAgency(JMA)isthe"official"typhooninformationinJapan.Informationisupdatedeverythreehoursundernor...
Digital Typhoon[1] provides typhoon-related data based on our own viewpoint, but critical decisions should be made on reliable typhoon (tropical cyclone) information. Hence we recommend the following two sites as reliable information sources and provide links in Typhoon News Weblog[2]. Comparison of information from two sources is like getting a second opinion on typhoon forecast.
Japan Meteorological AgencyTyphoon information produced by Japan Meteorological Agency (JMA) is the "official" typhoon information in Japan. Information is updated every three hours under normal operation, but it is updated every hour when typhoons approach to Japan (usually within 300km). All typhoon information provided from weather service companies in Japan is based on JMA, and information from our website is also based on JMA, such as latest information at Digital Typhoon[3] and typhoon forecast at Typhoon Track Forecast (on Google Maps)[4]. In Ap...