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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 - Pervomaisk Distance
Liubashivka 67.3 km
Uman 98.3 km
Mykolaiv 150.9 km
Odessa/Tsentralny 153.3 km
Myronivka 156.9 km
Kropyvnytskyi 157.1 km
Boryspil 220.4 km
Chişinău 229.8 km
Kyiv 231.1 km
Kherson 232.6 km
Chişinău Airport 238.8 km
Hostomel Airport 257.1 km
Kryvyi Rih Airport 262.7 km
Vinnytsia 276.0 km
Svitlovodsk 283.9 km
Sulina 302.3 km
Lubny 304.4 km
Chornomorske 314.8 km
Zhytomyr 317.3 km
Chernihiv 330.4 km
Sfântu Gheorghe 332.2 km
Maliuc 333.7 km
Mohyliv-Podilskyi 343.8 km
Mahmudia 346.2 km
Brahin 366.9 km
Iaşi 367.8 km
Tulcea 372.4 km
Vaslui 374.1 km
Bârnova 377.0 km
Gura Portitei 382.8 km
Umirea 384.4 km
Negreşti 396.7 km
Bârlad 396.8 km
Galați 399.2 km
Konotop 399.5 km
Ștefăneşti 404.6 km
Gomel 417.2 km
Vasilievichy 420.5 km
Casimcea 424.1 km
Chiscani 426.1 km
Mazyr 427.7 km
Poltava 437.2 km
Tecuci 438.3 km
Mihail Kogălniceanu Airport 441.8 km
Cotnari 441.8 km
Constanța 443.2 km
Simferopol Airport 448.3 km
Roman 450.5 km
Adjud 450.6 km
Khmelnytskyi 451.5 km
Hârşova 456.3 km
Dnipro 461.3 km
Bacău 461.6 km
Focşani 466.1 km
Medgidia 467.3 km
Botoşani 468.5 km
Shepetivka 472.9 km
Cernavodă 474.7 km
Zhlobin 475.0 km
Darabani 476.3 km
Feteşti 487.9 km
Valea Râmnicului 496.2 km
Târgu Ocna 499.0 km
Adamclisi 499.4 km
Sumy 500.0 km
Suceava Airport 501.6 km
Târgu Neamț 504.1 km
Piatra Neamț 508.0 km
Grivita 509.1 km
Slobozia 513.2 km
Bisoca 520.6 km
Zhytkavichy 524.3 km
Buzău 527.4 km
Trubchevsk 537.2 km
Călăraşi 540.6 km
Lacaut Mountain 542.8 km
Penteleu 548.3 km
Târgu Secuiesc 563.6 km
Pătârlagele 564.6 km
Urziceni 567.6 km
Sarny 568.0 km
Rivne 581.3 km
Întorsura Buzăului 581.6 km
Oltenița 607.5 km
Otopeni 629.0 km
Aurel Vlaicu Intl. Airport 633.2 km
Bucharest 637.0 km
Pinsk 661.1 km

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