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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 - Kalach-na-Donu Distance
SredneSadovskiy 54.4 km
Lebedev 71.8 km
Frolovo 91.2 km
Volgograd 91.3 km
Kotelnikovo 95.1 km
Serafimovich 112.9 km
Malye Derbety 143.0 km
Rechnoy 150.0 km
Zimovniki 171.0 km
Remontnoe 171.3 km
Novoanninsky 177.6 km
Tsimlyansk 179.5 km
Yelan 184.0 km
Morozovsk 187.5 km
Zemtsov 194.2 km
Elista 205.3 km
Rudnya 206.9 km
Divnoye 224.5 km
Kamyshin 231.8 km
Balashov 236.0 km
Uryupinsk 243.0 km
Ikiburul 261.0 km
Borisoglebsk 272.1 km
Kumskiy 276.0 km
Kazanskaya 280.8 km
Svetlograd 281.0 km
Jaskul 283.5 km
Konstantinovsk 285.6 km
Rtishchevo 288.6 km
Blagodarny 289.5 km
Chyorny Yar 291.7 km
Gigant 301.2 km
Kalach 311.1 km
Oktyabrsky Gorodok 316.8 km
Budyonnovsk 320.2 km
Utta 331.5 km
Stavropol / Shpakovskoy 333.0 km
Yusta 333.0 km
Kirsanov 336.1 km
Zherdevka 344.8 km
Boguchar 346.0 km
Belinsky 346.3 km
Millerovo 351.3 km
Verhnij Baskuncak 358.1 km
Saratov 359.6 km
Saratov 360.1 km
Kosonogov 361.3 km
Mineralnye Vody 364.9 km
Georgiyevsk 366.1 km
Elton 370.9 km
Vysokoye 371.0 km
Nevinnomyssk 374.1 km
Komsomolskiy 383.1 km
Pallasovka 388.0 km
Armavir 406.3 km
Anna 417.2 km
Tambov 417.5 km
Lavrovka 421.4 km
Svobodnyy 426.7 km
Tikhoretsk 450.2 km
Liman 467.8 km
Kocubej 475.6 km
Michurinsk 485.6 km
Liski 488.7 km
Lagan 496.2 km
Dosang 508.6 km
Maykop 511.1 km
Voronezh 542.5 km
Voronezh 545.8 km
Lipetsk 558.4 km
Krasnodar 575.3 km
Tuapse 627.6 km