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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 - Umirea Distance
Umirea 1.9 km
Gura Portitei 15.8 km
Tulcea 35.0 km
Mahmudia 40.1 km
Maliuc 52.6 km
Mihail Kogălniceanu Airport 56.6 km
Constanța 57.8 km
Casimcea 58.4 km
Sfântu Gheorghe 82.8 km
Medgidia 84.5 km
Mangalia 96.3 km
Cernavodă 99.8 km
Hârşova 100.7 km
Sulina 104.6 km
Chiscani 114.5 km
Galați 117.3 km
Feteşti 119.2 km
Adamclisi 119.4 km
Slobozia 166.2 km
Grivita 175.0 km
Călăraşi 179.0 km
Varna 181.7 km
Varna Airport 188.6 km
Tecuci 194.5 km
Bârlad 198.7 km
Focşani 207.2 km
Chişinău Airport 212.4 km
Valea Râmnicului 213.0 km
Chişinău 221.2 km
Vaslui 225.8 km
Buzău 227.6 km
Adjud 231.0 km
Urziceni 246.0 km
Bisoca 252.6 km
Oltenița 256.9 km
Negreşti 259.1 km
Burgas Airport 261.7 km
Bârnova 264.0 km
Odessa/Tsentralny 266.8 km
Burgas 269.2 km
Iaşi 273.9 km
Bacău 279.1 km
Pătârlagele 283.7 km
Penteleu 286.1 km
Razgrad 288.1 km
Târgu Ocna 289.6 km
Lacaut Mountain 296.8 km
Roman 308.2 km
Otopeni 308.6 km
Bucharest 310.5 km
Aurel Vlaicu Intl. Airport 311.3 km
Ploieşti 321.2 km
Întorsura Buzăului 325.7 km
Târgu Secuiesc 330.0 km
Cotnari 335.5 km
Giurgiu 337.8 km
Liubashivka 338.2 km
Kilyos 341.4 km
Kırklareli 347.7 km
Piatra Neamț 349.9 km
Sliven 350.4 km
Câmpina 351.0 km
Sarıyer 352.9 km
Ștefăneşti 354.0 km
Sfântu Gheorghe 358.7 km
Titu 366.1 km
Târgu Neamț 368.3 km
Istanbul 368.9 km
Çorlu 369.6 km
Predeal 373.1 km
Videle 373.5 km
Istanbul 375.1 km
Istanbul / Sabiha Gokcen 377.9 km
Sinaia (1500m) 378.0 km
Mohyliv-Podilskyi 382.1 km
Târgovişte 383.2 km
Ghimbav 383.5 km
Miercurea Ciuc 383.7 km
Botoşani 383.7 km
Gorna Oryahovitsa Airport 385.0 km
Omu 386.6 km
Baraolt 387.2 km
Ceahlau Toaca 392.6 km
Cengiz Topel Naval Air Station 395.4 km
Edirne 397.3 km
Tekirdağ 397.5 km
Alexandria 398.6 km
Yalova Airport 400.0 km
Suceava Airport 402.6 km
Zimnicea 405.7 km
Mykolaiv 405.7 km
Fundata 405.9 km
Uman 417.6 km
Joseni 420.6 km
Adapazarı 420.7 km
Darabani 424.7 km
Odorheiu Secuiesc 426.5 km
Câmpulung 429.5 km
Chornomorske 433.0 km
Roşiorii de Vede 437.1 km

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