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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.


Stations météo à proximité - Irozaki Distance
Irozaki 0.0 km
Mishima 44.3 km
Ajiro 46.9 km
Shizuoka 58.7 km
Aérodrome d'Izu Ōshima 58.8 km
Oshima 58.9 km
Fuji 60.1 km
Shizuhama Air Base 64.0 km
Fuji Mountain 65.1 km
Omaezaki 70.5 km
Shimada Aéroport 75.3 km
Kawaguchiko 76.0 km
Miyakejima Island 84.9 km
Kōfu 95.3 km
Zama Aéroport 97.9 km
Zama Aéroport 97.9 km
Yokota Air Base 111.6 km
Tachikawa Airfield 112.0 km
Yokohama 113.4 km
Tateyama 114.1 km
Chōfu (Aéroport) 117.7 km
Tateyama 117.7 km
Chichibu 119.0 km
Hamamatsu 126.4 km
Tokyo-Haneda (Aéroport) 131.2 km
Iida 136.5 km
Tokyo 137.0 km
Tokyo Heliport 140.6 km
Kumagaya 143.3 km
Suwa 145.8 km
Karuizawa 148.8 km
Maebashi 153.0 km
Hachijō-jima 162.7 km
Chiba 162.9 km
Shimofusa (Aéroport) 164.4 km
Matsumoto (Aéroport) 166.3 km
Matsumoto 168.9 km
Katsuura 169.8 km
Nagano 186.9 km
Nikkō 193.7 km
Irako 195.6 km
Nouvel aéroport international de Tokio 197.3 km
Utsunomiya 199.8 km
Nagoya 214.8 km
Takada 219.0 km
Takayama 219.5 km
Aéroport d'Ibaraki 219.8 km
Aéroport international du Chūbu 228.6 km
Gifu Air Field 230.0 km
Mito 235.1 km
Gifu 241.1 km
Akeno Air Field 242.5 km
Chōshi 244.3 km
Toyama Aéroport 250.9 km
Toyama 252.8 km
Yokkaichi 253.8 km
Tsu 260.0 km
Shirakawa 263.0 km
Fushiki 269.6 km
Wakamatsu 271.0 km
Niigata 279.3 km
Niigata Aéroport 283.3 km
Aikawa 294.0 km
Hikone 294.6 km
Kanazawa 295.9 km
Owase 298.2 km
Ueno 300.9 km
Onahama 303.4 km
Noto (Aéroport) 306.0 km
Komatsu Aéroport 309.3 km
Fukui 314.7 km
Wajima 316.1 km
Tsuruga 321.6 km
Fukushima 322.2 km
Nara 335.9 km
Kyoto 348.6 km
Yamagata 351.6 km
Shionomisaki Lighthouse 355.9 km
Yao Aéroport 361.7 km
Yamagata Aéroport 364.8 km
Shōnai 370.5 km
Osaka 371.1 km
Aéroport international d'Osaka 378.8 km
Sendai (Aéroport) 379.8 km
Sakata 379.8 km
Sendai 386.6 km
Shinjō 387.7 km
Nanki 395.5 km
Maizuru 399.4 km
Aéroport international du Kansai 401.0 km
Kobe Aéroport 403.7 km
Kobe 404.5 km
Wakayama 411.1 km
Ishinomaki 425.9 km
Sumoto 440.2 km
Toyooka 455.3 km
Tajima (Aéroport) 458.3 km
Himeji 466.1 km
Komatsushima Aéroport 472.6 km
Tokushima Aéroport 473.6 km