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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 - Kolomak Distance
Poltava 79.4 km
Proletarskiy 104.6 km
Sumy 110.9 km
Dnipro 117.7 km
Kharkiv 117.8 km
Belgorod 167.1 km
Oboyan 171.5 km
Zaporizhzhia 180.5 km
Kursk 202.0 km
Svitlovodsk 232.7 km
Izium 237.7 km
Lubny 247.1 km
Ponyri 252.5 km
Konotop 259.7 km
Bogoroditskoe-fenino 263.6 km
Kryvyi Rih Airport 280.0 km
Oryol 291.8 km
Trubchevsk 299.2 km
Valuyki 320.8 km
Bryansk 327.2 km
ZavodskiyKhutor 350.0 km
Mariupol 350.3 km
Livny 350.6 km
Kropyvnytskyi 359.5 km
Zhukovka 376.1 km
Kherson 420.0 km
Kerch 422.7 km
Yeysk 433.6 km
Yefremov 435.6 km
Yelets 441.6 km
Mykolaiv 450.6 km
Roslavl 461.7 km
Chernihiv 468.2 km
Primorsko-Akhtarsk 470.5 km
Taganrog 471.1 km
Myronivka 471.6 km
Voronezh 472.7 km
Voronezh 477.6 km
Kastsyukovichy 478.9 km
Liski 485.7 km
Chornomorske 489.4 km
Shirki 500.1 km
Lipetsk 539.3 km
Pavelec 566.8 km
Slawharad 578.2 km
Krasnodar 610.2 km