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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 - Hiroshima Distance
Hiroshima 4.5 km
Kure 16.4 km
Marine Corps Air Station Iwakuni 27.6 km
Matsuyama (Aéroport) 50.3 km
Hiroshima (Aéroport) 54.0 km
Matsuyama 56.0 km
Hamada 57.1 km
Iwami (Aéroport) 75.2 km
Uwajima 87.4 km
Fukuyama 91.1 km
Izumo (Aéroport) 93.7 km
Hōfu Aéroport 101.4 km
Aéroport d'Ōita 102.1 km
Matsue 108.0 km
Yamaguchi 110.6 km
Sukumo 113.1 km
Hagi 115.1 km
Ōita 124.1 km
Yonago-Miho (Aéroport) 124.1 km
Sakaiminato 126.3 km
Yonago 130.2 km
Yonago 130.2 km
Ube Aéroport 132.6 km
Kōchi 137.2 km
Shimizu 140.5 km
Tadotsu 146.8 km
Kōchi (Aéroport) 151.1 km
Aéroport d'Ozuki 155.8 km
Nobeoka 158.7 km
Aéroport d'Okayama 160.4 km
Okayama 166.5 km
Kitakyushu/Kokura 169.8 km
Shimonoseki 169.8 km
Saigo 171.2 km
Takamatsu (Aéroport) 176.5 km
Takamatsu 180.0 km
Tsuyama 184.2 km
Hita 184.2 km
Iizuka 200.1 km
Kumamoto Aéroport 208.9 km
Tottori Aéroport 212.5 km
Muroto 212.6 km
Miyazaki 214.5 km
Miyazaki (Aéroport) 215.8 km
Tottori 217.8 km
Kumamoto 222.8 km
Fukuoka Aéroport 235.4 km
Aburatsu 237.0 km
Tokushima 240.4 km
Tokushima Aéroport 242.9 km
Hitoyoshi 245.7 km
Komatsushima Aéroport 245.7 km
Miyakonojō 246.3 km
Saga 250.9 km
Himeji 251.2 km
Saga (Aéroport) 254.2 km
Unzendake Mount 269.8 km
Sumoto 274.6 km
Tajima (Aéroport) 276.4 km
Toyooka 280.0 km
Kanoya 284.1 km
Ulleungdo 286.9 km
Kagoshima Aéroport 295.1 km
Nagasaki (Aéroport) 299.9 km
Akune 302.7 km
Wakayama 304.4 km
Nagasaki 309.7 km
Ushibuka 310.9 km
Kobe 310.9 km
Kobe Aéroport 311.3 km
Tanega-shima 312.8 km
Sasebo 313.5 km
Aéroport international du Kansai 313.6 km
New Tanegashima (Aéroport) 321.5 km
Makurazaki 329.2 km
Hirado 329.4 km
Nanki 330.8 km
Maizuru 331.7 km
Aéroport international d'Osaka 337.4 km
Osaka 344.1 km
Tsushima (Aéroport) 345.5 km
Tsushima 349.0 km
Yao Aéroport 353.0 km
Yaku-shima 353.7 km
Ulsan 357.5 km
Pohang 360.6 km
Kyoto 370.8 km
Shionomisaki Lighthouse 377.8 km
Nara 379.3 km
Pusan 382.2 km
Uljin 386.2 km
Gimhae Aéroport 394.1 km
Ueno 414.9 km
Tsuruga 416.5 km
Fukue 418.5 km
Fukue Aéroport 419.3 km
Owase 420.0 km
Hikone 430.6 km
Radar de Donghae 432.2 km
Masan 434.5 km