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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 - Petrov Val Distance
Kamyshin 17.5 km
Rudnya 91.0 km
Oktyabrsky Gorodok 120.2 km
Rechnoy 123.8 km
Volgograd 143.8 km
Saratov 143.9 km
Saratov 144.3 km
Lebedev 150.7 km
Frolovo 174.6 km
Yelan 177.4 km
Malye Derbety 182.6 km
Pallasovka 185.6 km
Chyorny Yar 189.4 km
Elton 197.6 km
Lavrovka 204.8 km
Svobodnyy 213.4 km
Verhnij Baskuncak 224.7 km
Rtishchevo 231.7 km
Penza 235.4 km
Balashov 256.3 km
Yusta 263.2 km
Radischevo 263.7 km
SredneSadovskiy 274.4 km
Serafimovich 278.3 km
Novoanninsky 283.8 km
Belinsky 303.0 km
Kotelnikovo 304.5 km
Utta 306.5 km
Jaskul 309.7 km
Saransk 312.3 km
Elista 313.0 km
Inza 317.8 km
Pachelma 331.3 km
Remontnoe 331.8 km
Kirsanov 344.4 km
Kanadej 345.3 km
Yershov 355.9 km
Uryupinsk 362.1 km
Borisoglebsk 362.7 km
Khvalynsk 366.8 km
Alexandrov Gay 371.1 km
Surskoe 374.9 km
Krasnoslobodsk 377.6 km
Zemtsov 383.8 km
Zimovniki 387.2 km
Dosang 389.9 km
Alatyr 393.3 km
Zametcino 393.4 km
Tsimlyansk 399.5 km
Morozovsk 399.7 km
Temnikov 421.3 km
Syzran 423.7 km
Astrakhan 426.0 km
Pugachyov 427.6 km
Novyj Ushtogan 433.4 km
Zherdevka 437.8 km
Kazanskaya 453.5 km
Ulyanovsk Baratayevka Airport 461.6 km
Kalach 464.4 km
Morshansk 465.1 km
Zhalpaktal 476.3 km
Novodevich'e 480.8 km
Tambov 483.2 km
Kumskiy 488.1 km
Ushakovo 496.3 km
Konstantinovsk 502.8 km
Ozinki 509.1 km
Ulyanovsk Vostochny Airport 513.3 km
Samara 516.2 km
Gigant 520.6 km
Kurmangazy 523.9 km
Tetyushi 542.2 km
Elatma 546.4 km
Dimitrovgrad 577.3 km