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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 - Yokota Air Base Distance
Yokota Air Base 0.0 km
Tachikawa Airfield 6.8 km
Zama Airport 20.6 km
Zama Airport 20.6 km
Chōfu Airport 20.9 km
Kumagaya 34.0 km
Chichibu 35.6 km
Yokohama 42.8 km
Tokyo 46.7 km
Haneda Airport 51.1 km
Tokyo Heliport 55.2 km
Maebashi 63.2 km
Fuji 65.0 km
Ajiro 65.2 km
Kawaguchiko 68.3 km
Mishima 70.7 km
Shimofusa Airport 73.8 km
Fuji Mountain 76.7 km
Oshima Airport 81.8 km
Tateyama 84.0 km
Chiba 84.5 km
Oshima 84.5 km
Nikkō 84.8 km
Tateyama 86.8 km
Utsunomiya 88.9 km
Kōfu 89.3 km
Karuizawa 101.6 km
Irozaki 111.6 km
Tokio New (IAP) 115.0 km
Katsuura 119.1 km
Ibaraki Airport 124.1 km
Shizuoka 124.5 km
Mito 135.5 km
Miyakejima Island 138.9 km
Suwa 139.6 km
Shizuhama Air Base 141.0 km
Nagano 149.3 km
Shimada Airport 151.9 km
Shirakawa 152.1 km
Omaezaki 158.7 km
Matsumoto 159.6 km
Wakamatsu 160.0 km
Matsumoto Airport 162.6 km
Takada 166.7 km
Chōshi 168.8 km
Iida 170.0 km
Niigata 185.6 km
Niigata Airport 187.8 km
Onahama 200.7 km
Hamamatsu 201.8 km
Fukushima 210.8 km
Aikawa 227.4 km
Hachijō-jima 228.3 km
Takayama 236.1 km
Yamagata 240.1 km
Toyama 252.0 km
Toyama Airport 252.0 km
Yamagata Airport 253.4 km
Shōnai 264.0 km
Irako 267.9 km
Sendai Airport 269.3 km
Fushiki 269.6 km
Nagoya 269.7 km
Sakata 272.8 km
Sendai 275.7 km
Shinjō 276.9 km
Gifu Air Field 277.7 km
Gifu 289.0 km
Chubu Centrair Intl. Airport 292.7 km
Noto Airport 295.0 km
Wajima 304.5 km
Kanazawa 310.2 km
Akeno Air Field 314.6 km
Yokkaichi 315.3 km
Ishinomaki 316.2 km
Tsu 326.4 km
Komatsu Airport 331.8 km
Akita Airport 342.5 km
Akita 347.1 km
Hikone 347.4 km
Fukui 347.8 km
Ueno 365.3 km
Tsuruga 365.6 km
Hanamaki Airport 372.2 km
Owase 377.1 km
Ōfunato 388.1 km
Morioka 393.8 km
Nara 401.2 km
Kyoto 407.1 km
Yao Airport 428.0 km
Osaka 435.6 km
Itami Airport 441.3 km
Shionomisaki Lighthouse 441.3 km
Miyako 444.4 km
Maizuru 449.7 km
Kobe 468.1 km
Kobe Airport 468.3 km
Kansai Intl. Airport 469.2 km
Nanki 475.4 km
Wakayama 481.9 km

Current weather