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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 - Korsakov Distance
Juzhno-Sahalinsk AP 28.6 km
Juzhno-Sahalinsk AP 28.6 km
Ilyinskiy 134.9 km
Esashi 151.9 km
Wakkanai Airport 152.4 km
Wakkanai 161.3 km
Ōmu 183.3 km
Monbetsu 213.9 km
Monbetsu Airport 219.1 km
Haboro 232.1 km
Poronaysk 232.4 km
Asahikawa Airport 254.9 km
Asahikawa 257.3 km
Asahikawa Airport 264.4 km
Rumoi 267.6 km
Tyuleny 284.1 km
Abashiri 288.7 km
Memanbetsu Airport 291.2 km
Pil'vo 308.9 km
Iwamizawa 320.1 km
Obihiro 334.1 km
Sovetskaya Gavan 343.4 km
Sapporo 345.1 km
Tokachi 350.3 km
Sapporo 352.7 km
Pogranichnoe 354.0 km
Kushiro Airport 358.4 km
Chitose 358.8 km
Otaru 359.5 km
Nemuro Nakashibetsu Airport 367.5 km
Kushiro 373.2 km
Tomakomai 378.1 km
Alexandrovsk-Sakhalinsky 382.5 km
Hiroo 390.3 km
Kutchan 395.1 km
Urakawa 395.9 km
Tumnin 397.6 km
Yuzhno-Kurilsk 418.4 km
Muroran 426.9 km
Nemuro 432.4 km
Suttsu 437.0 km
Agzu 493.1 km
Svetlaya 493.6 km