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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 - Sinaia (1500m) Distance
Sinaia (1500m) 1.7 km
Omu 11.5 km
Predeal 18.3 km
Fundata 26.7 km
Câmpina 33.2 km
Ghimbav 34.9 km
Târgovişte 43.0 km
Câmpulung 52.1 km
Sfântu Gheorghe 62.2 km
Ploieşti 67.1 km
Întorsura Buzăului 69.7 km
Titu 70.6 km
Baraolt 74.2 km
Făgăraş 79.7 km
Piteşti 86.8 km
Târgu Secuiesc 94.0 km
Curtea de Argeş 94.0 km
Pătârlagele 96.8 km
Odorheiu Secuiesc 98.0 km
Bâlea Lake 101.8 km
Otopeni 104.4 km
Penteleu 104.4 km
Miercurea Ciuc 105.3 km
Aurel Vlaicu Intl. Airport 105.9 km
Videle 107.3 km
Lacaut Mountain 108.4 km
Deduleşti 108.8 km
Stolnici 112.0 km
Bucharest 114.9 km
Râmnicu Vâlcea 129.3 km
Luizi Calugara 132.6 km
Dumbrăveni 134.4 km
Bisoca 136.2 km
Joseni 136.2 km
Roşiorii de Vede 138.4 km
Alexandria 138.9 km
Boița 140.1 km
Urziceni 143.3 km
Buzău 151.8 km
Giurgiu 155.6 km
Drăgăşani 156.6 km
Târgu Ocna 157.0 km
Slatina 157.0 km
Toplița 159.2 km
Sibiu 163.0 km
Târgu Mureş 165.4 km
Zimnicea 170.5 km
Voineasa 170.8 km
Ceahlau Toaca 171.3 km
Valea Râmnicului 171.3 km
Târnăveni 174.7 km
Turnu Măgurele 175.2 km
Păltiniş 177.2 km
Retitis-Calimani 178.1 km
Caracal 179.2 km
Oltenița 179.7 km
Batoş 181.8 km
Piatra Neamț 186.9 km
Polovragi 189.2 km
Focşani 192.2 km
Blaj 193.3 km
Bacău 197.1 km
Adjud 200.6 km
Poiana Stampei 202.8 km
Logreşti 205.1 km
Sărmaşu 205.4 km
Obarsia Lotrului 208.3 km
Grivita 208.8 km
Craiova 209.7 km
Razgrad 210.3 km
Târgu Neamț 210.5 km
Bistrița 212.1 km
Tecuci 218.1 km
Gorna Oryahovitsa Airport 222.0 km
Slobozia 224.2 km
Roman 225.5 km
Petrila 226.8 km
Alba Iulia 227.4 km
Turda 227.5 km
Sebeş 227.6 km
Călăraşi 234.1 km
Bechet 234.3 km
Petroşani 235.7 km
Lovech 239.8 km
Ineu Mountain 246.1 km
Cluj-Napoca 249.5 km
Târgu Jiu 250.7 km
Suceava Airport 252.5 km
Dej 253.2 km
Rădăuți 253.3 km
Bârlad 255.0 km
Cotnari 255.8 km
Negreşti 262.2 km
Chiscani 269.7 km
Botoşani 270.5 km
Băişoara 271.8 km
Băileşti 276.1 km
Vaslui 278.2 km
Târgu Lăpuş 278.4 km
Feteşti 279.3 km