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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 - Kōriyama Distance
Shirakawa 27.2 km
Fukushima 32.7 km
Wakamatsu 48.8 km
Onahama 72.4 km
Yamagata 72.9 km
Yamagata Airport 86.8 km
Mito 88.2 km
Utsunomiya 90.4 km
Sendai Airport 90.6 km
Sendai 96.5 km
Ibaraki Airport 104.7 km
Nikkō 110.4 km
Shinjō 115.7 km
Shōnai 135.9 km
Ishinomaki 138.3 km
Sakata 139.7 km
Tokio New (IAP) 140.1 km
Shimofusa Airport 142.0 km
Niigata Airport 145.7 km
Niigata 151.2 km
Kumagaya 151.3 km
Chōshi 154.5 km
Chiba 156.5 km
Tokyo 160.3 km
Tokyo Heliport 161.0 km
Maebashi 166.2 km
Haneda Airport 170.0 km
Chōfu Airport 173.4 km
Tachikawa Airfield 178.3 km
Yokota Air Base 179.2 km
Yokohama 184.9 km
Chichibu 185.3 km
Akita Airport 190.3 km
Zama Airport 192.6 km
Zama Airport 192.6 km
Katsuura 192.8 km
Hanamaki Airport 195.5 km
Akita 200.1 km
Ōfunato 209.6 km
Tateyama 213.3 km
Tateyama 213.9 km
Morioka 218.0 km
Karuizawa 219.7 km
Takada 235.1 km
Kawaguchiko 238.7 km
Odate- Noshiro Airport 239.3 km
Aikawa 240.8 km
Fuji 241.8 km
Ajiro 243.3 km
Nagano 247.2 km
Kōfu 248.3 km
Oshima Airport 248.5 km
Mishima 249.8 km
Fuji Mountain 250.0 km
Oshima 250.7 km
Miyako 265.4 km
Suwa 273.4 km
Fukaura 281.5 km
Matsumoto 282.4 km
Aomori Airport 289.0 km
Matsumoto Airport 289.5 km
Irozaki 290.2 km
Miyakejima Island 294.0 km
Aomori 297.3 km
Shizuoka 299.0 km
JMSDF Hachinohe Air Base 299.4 km
Hachinohe 301.2 km
Misawa 306.5 km
Shizuhama Air Base 316.0 km
Iida 321.8 km
Shimada Airport 325.7 km
Omaezaki 334.9 km
Ōminato Guard 341.6 km
Mutsu 348.5 km
Toyama 355.5 km
Toyama Airport 357.6 km
Takayama 360.6 km
Fushiki 370.2 km
Hamamatsu 370.7 km
Hachijō-jima 371.0 km
Noto Airport 377.3 km
Hakodate Airport 379.4 km
Hakodate 382.2 km
Esashi 383.0 km
Wajima 384.1 km
Kanazawa 419.3 km
Nagoya 420.3 km
Gifu Air Field 422.1 km
Irako 430.3 km
Gifu 432.4 km
Komatsu Airport 446.8 km
Chubu Centrair Intl. Airport 448.0 km
Yokkaichi 466.9 km
Fukui 471.8 km
Akeno Air Field 474.0 km
Tsu 481.0 km
Hikone 489.6 km
Tsuruga 498.4 km
Ueno 516.1 km
Owase 538.5 km

Current weather