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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 - Sendai Distance
Sendai (Aéroport) 12.1 km
Ishinomaki 46.8 km
Yamagata Aéroport 60.2 km
Yamagata 61.2 km
Fukushima 65.6 km
Shinjō 77.1 km
Hanamaki (Aéroport) 103.9 km
Onahama 113.7 km
Ōfunato 114.4 km
Shirakawa 123.6 km
Morioka 127.4 km
Wakamatsu 128.4 km
Sakata 128.9 km
Shōnai 132.4 km
Akita Aéroport 138.6 km
Akita 153.1 km
Miyako 169.1 km
Mito 169.2 km
Odate- Noshiro (Aéroport) 175.8 km
Utsunomiya 186.8 km
Aéroport d'Ibaraki 187.4 km
Niigata Aéroport 200.8 km
Nikkō 203.7 km
JMSDF Hachinohe Air Base 208.0 km
Niigata 208.1 km
Hachinohe 208.9 km
Aéroport d'Aomori 213.9 km
Misawa 217.2 km
Chōshi 218.8 km
Aomori 220.6 km
Nouvel aéroport international de Tokio 222.7 km
Fukaura 231.1 km
Shimofusa (Aéroport) 233.7 km
Chiba 245.7 km
Kumagaya 247.4 km
Tokyo Heliport 254.6 km
Tokyo 254.8 km
garde d'Ōminato 257.9 km
Maebashi 258.8 km
Mutsu 263.5 km
Tokyo-Haneda (Aéroport) 263.9 km
Chōfu (Aéroport) 269.4 km
Tachikawa Airfield 274.7 km
Yokota Air Base 275.7 km
Katsuura 275.9 km
Yokohama 279.6 km
Chichibu 280.7 km
Zama Aéroport 288.9 km
Zama Aéroport 288.9 km
Aikawa 296.8 km
Hakodate Aéroport 302.6 km
Tateyama 304.1 km
Tateyama 305.2 km
Hakodate 306.8 km
Karuizawa 308.8 km
Takada 311.1 km
Esashi 320.8 km
Nagano 329.7 km
Kawaguchiko 334.3 km
Fuji 338.0 km
Ajiro 339.7 km
Kōfu 342.3 km
Aérodrome d'Izu Ōshima 343.5 km
Oshima 345.5 km
Fuji Mountain 345.8 km
Mishima 346.2 km
Muroran 350.2 km
Suwa 362.2 km
Matsumoto 368.4 km
Matsumoto (Aéroport) 375.9 km
Tomakomai 384.4 km
Miyakejima Island 386.1 km
Irozaki 386.6 km
Shizuoka 394.7 km
Suttsu 396.7 km
Kutchan 400.1 km
Urakawa 400.6 km
Chitose 402.8 km
Shizuhama Air Base 411.8 km
Iida 412.9 km
Shimada Aéroport 421.2 km
Omaezaki 430.9 km
Toyama 432.4 km
Toyama Aéroport 435.1 km
Takayama 443.6 km
Hiroo 444.8 km
Fushiki 445.4 km
Noto (Aéroport) 445.9 km
Wajima 451.4 km
Hamamatsu 464.9 km
Tokachi 469.3 km
Obihiro 482.8 km
Kanazawa 495.4 km
Gifu Air Field 509.2 km
Nagoya 509.2 km
Gifu 519.0 km
Irako 522.4 km
Komatsu Aéroport 524.0 km
Aéroport international du Chūbu 537.8 km