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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.


Poblíž povětrnostní stanice - Nagarejama Vzdálenost
Shimofusa (Letiště) 13.2 km
Tokyo Heliport 19.5 km
Tokio 20.5 km
Letiště Haneda 28.6 km
Čiba 30.8 km
Chōfu (Letiště) 44.1 km
Jokohama 45.0 km
Tokio New Intl. Airport 54.3 km
Tachikawa Airfield 56.6 km
Ucunomija 59.7 km
Yokota Air Base 61.8 km
Kumagaja 62.9 km
Zama Letiště 63.2 km
Zama Letiště 63.2 km
Ibaraki (Letiště) 63.9 km
Tatejama 73.8 km
Tatejama 73.9 km
Katsuura 75.7 km
Mito 77.8 km
Nikkó 87.2 km
Chichibu 91.6 km
Maebaši 103.8 km
Chōshi 108.1 km
Oshima (Letiště) 108.7 km
Oshima 110.6 km
Ajiro 111.9 km
Shirakawa 115.1 km
Fudži 123.5 km
Mišima 124.2 km
Kawaguchiko 129.6 km
Fuji Mountain 137.0 km
Wakamatsu 139.1 km
Onahama 145.9 km
Kófu 151.1 km
Miyakejima Island 152.5 km
Karuizawa 155.7 km
Irozaki 157.5 km
Fukušima 174.3 km
Šizuoka 182.8 km
Shizuhama Air Base 198.5 km
Niigata Letiště 198.7 km
Niigata 198.8 km
Suwa 199.2 km
Nagano 201.3 km
Šimada Letiště 210.0 km
Jamagata 211.1 km
Takada 211.6 km
Omaezaki 214.8 km
Macumoto 217.8 km
Matsumoto (Letiště) 221.7 km
Jamagata Letiště 225.1 km
Sendai (Letiště) 227.2 km
Iida 231.8 km
Hačidžódžima 232.9 km
Sendai 235.3 km
Shinjō 252.0 km
Shōnai 252.3 km
Sakata 259.7 km
Aikawa 260.2 km
Hamamacu 261.4 km
Išinomaki 271.4 km
Takajama 296.1 km
Tojama 308.8 km
Tojama Letiště 309.2 km
Akita Letiště 323.3 km
Fushiki 326.2 km
Irako 328.6 km
Akita 330.5 km
Nagoja 331.5 km
Hanamaki (Letiště) 336.8 km
Gifu Air Field 339.5 km
Ófunato 343.3 km
Noto (Letiště) 348.4 km
Gifu 350.8 km
Letiště Čúbu 354.2 km
Wajima 357.5 km
Morioka 359.5 km
Kanazawa 368.7 km
Akeno Air Field 375.6 km
Jokkaiči 377.0 km
Cu 387.9 km
Komacu Letiště 391.4 km
Miyako 400.9 km
Fukui 408.5 km
Hikone 409.2 km
Ueno 427.0 km
Curuga 427.0 km
Owase 437.5 km
Nara 462.8 km
Kjóto 468.9 km
Yao (Letiště) 489.6 km
Ósaka 497.3 km
Shionomisaki Lighthouse 500.9 km
Letiště Ósaka 503.1 km
Maizuru 511.3 km
Kóbe 529.8 km
Kóbe Letiště 530.0 km
Letiště Kansai 530.8 km
Nanki 535.9 km
Wakajama 543.3 km

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