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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Nearby Weather Stations - Hachijō-jima Airport Distance
Hachijō-jima 1.4 km
Miyakejima Island 91.6 km
Oshima 147.3 km
Oshima Airport 150.1 km
Tateyama 160.5 km
Tateyama 160.6 km
Irozaki 163.8 km
Ajiro 181.6 km
Katsuura 184.7 km
Mishima 194.9 km
Yokohama 198.7 km
Haneda Airport 208.3 km
Zama Airport 209.1 km
Zama Airport 209.1 km
Fuji 213.1 km
Omaezaki 215.2 km
Tokyo Heliport 215.7 km
Chiba 215.9 km
Shizuhama Air Base 219.2 km
Tokyo 219.6 km
Shizuoka 219.9 km
Chōfu Airport 220.0 km
Fuji Mountain 224.0 km
Tachikawa Airfield 225.3 km
Shimada Airport 227.5 km
Yokota Air Base 229.7 km
Shimofusa Airport 231.2 km
Kawaguchiko 231.9 km
Tokio New (IAP) 237.3 km
Chōshi 255.8 km
Chichibu 256.0 km
Kōfu 256.1 km
Kumagaya 262.3 km
Hamamatsu 266.2 km
Ibaraki Airport 272.4 km
Maebashi 290.2 km
Mito 290.6 km
Utsunomiya 293.6 km
Iida 296.8 km
Karuizawa 305.0 km
Suwa 309.4 km
Nikkō 309.8 km
Irako 325.4 km
Matsumoto Airport 330.1 km
Matsumoto 332.6 km
Shirakawa 347.3 km
Nagano 347.6 km
Onahama 352.5 km
Nagoya 357.6 km
Chubu Centrair Intl. Airport 362.3 km
Akeno Air Field 366.2 km
Wakamatsu 373.2 km
Gifu Air Field 376.3 km
Takada 376.9 km
Takayama 379.7 km
Gifu 386.3 km
Yokkaichi 387.3 km
Tsu 388.0 km
Fukushima 404.4 km
Owase 406.8 km
Toyama Airport 413.4 km
Niigata 415.3 km
Toyama 415.6 km
Niigata Airport 417.4 km
Ueno 427.3 km
Fushiki 432.0 km
Hikone 432.2 km
Shionomisaki Lighthouse 448.1 km
Kanazawa 454.4 km
Nara 458.7 km
Tsuruga 464.2 km
Komatsu Airport 464.3 km
Fukui 464.4 km
Noto Airport 469.3 km
Kyoto 477.7 km
Wajima 479.4 km
Yao Airport 481.6 km
Osaka 492.5 km
Nanki 494.1 km
Itami Airport 501.8 km
Kansai Intl. Airport 516.1 km
Wakayama 522.3 km
Kobe Airport 522.9 km
Kobe 525.0 km
Maizuru 533.3 km

Current weather