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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 - Ičikawa Vzdálenost
Tokyo Heliport 11.1 km
Shimofusa (Letiště) 12.7 km
Tokio 16.9 km
Letiště Haneda 20.5 km
Čiba 22.7 km
Jokohama 38.2 km
Chōfu (Letiště) 43.4 km
Tokio New Intl. Airport 52.1 km
Tachikawa Airfield 57.2 km
Zama Letiště 60.7 km
Zama Letiště 60.7 km
Tatejama 62.7 km
Tatejama 62.8 km
Yokota Air Base 63.1 km
Katsuura 65.8 km
Ibaraki (Letiště) 68.2 km
Kumagaja 69.8 km
Ucunomija 71.2 km
Mito 83.7 km
Chichibu 95.5 km
Nikkó 98.0 km
Oshima (Letiště) 100.6 km
Oshima 102.3 km
Chōshi 105.8 km
Ajiro 107.0 km
Maebaši 110.9 km
Mišima 120.6 km
Fudži 121.7 km
Shirakawa 125.5 km
Kawaguchiko 129.3 km
Fuji Mountain 135.8 km
Miyakejima Island 142.3 km
Wakamatsu 150.5 km
Irozaki 151.7 km
Kófu 152.2 km
Onahama 152.2 km
Karuizawa 160.8 km
Šizuoka 180.3 km
Fukušima 184.3 km
Shizuhama Air Base 195.6 km
Suwa 202.3 km
Nagano 207.1 km
Šimada Letiště 207.3 km
Niigata 209.7 km
Niigata Letiště 209.7 km
Omaezaki 211.3 km
Takada 219.0 km
Macumoto 221.6 km
Hačidžódžima 221.7 km
Jamagata 221.8 km
Matsumoto (Letiště) 225.1 km
Iida 232.5 km
Jamagata Letiště 235.8 km
Sendai (Letiště) 236.2 km
Sendai 244.6 km
Hamamacu 259.3 km
Shinjō 262.9 km
Shōnai 263.8 km
Aikawa 269.6 km
Sakata 271.1 km
Išinomaki 279.9 km
Takajama 299.0 km
Tojama 313.3 km
Tojama Letiště 313.6 km
Irako 327.1 km
Fushiki 330.8 km
Nagoja 331.6 km
Akita Letiště 334.5 km
Gifu Air Field 340.3 km
Akita 341.7 km
Hanamaki (Letiště) 346.6 km
Gifu 351.6 km
Ófunato 351.7 km
Letiště Čúbu 353.6 km
Noto (Letiště) 354.1 km
Wajima 363.3 km
Morioka 369.4 km
Kanazawa 372.5 km
Akeno Air Field 374.3 km
Jokkaiči 376.7 km
Cu 387.2 km
Komacu Letiště 394.6 km
Miyako 409.4 km
Hikone 409.9 km
Fukui 411.0 km
Ueno 426.6 km
Curuga 428.6 km
Owase 435.7 km
Nara 462.5 km
Kjóto 469.2 km
Yao (Letiště) 489.2 km
Ósaka 497.1 km
Shionomisaki Lighthouse 498.3 km
Letiště Ósaka 503.1 km
Maizuru 512.5 km
Kóbe 529.8 km
Kóbe Letiště 529.9 km
Letiště Kansai 530.3 km
Nanki 534.1 km
Wakajama 542.6 km