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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.


Estaciones meteorológicas cercanas - Petrila Distancia
Petrila 1.5 km
Petroşani 8.2 km
Obarsia Lotrului 20.8 km
Târgu Jiu 41.2 km
Polovragi 45.7 km
Voineasa 57.6 km
Logreşti 59.0 km
Sebeş 60.0 km
Păltiniş 60.5 km
Alba Iulia 70.6 km
Padeş 76.7 km
Deva 78.7 km
Sibiu 82.5 km
Boița 95.5 km
Blaj 97.4 km
Bâcleş 100.1 km
Roşia Montană 101.6 km
Tarcu Mountain 102.6 km
Râmnicu Vâlcea 105.9 km
Cuntu 105.9 km
Câmpeni 110.2 km
Brad 113.9 km
Drăgăşani 114.1 km
Craiova 118.2 km
Băişoara 118.8 km
Drobeta-Turnu Severin 120.1 km
Băile Herculane 126.1 km
Turda 128.1 km
Deduleşti 130.2 km
Bâlea Lake 131.6 km
Târnăveni 131.7 km
Caransebeş 133.3 km
Curtea de Argeş 137.4 km
Slatina 139.0 km
Băileşti 139.0 km
Cluj-Napoca 144.9 km
Dumbrăveni 153.4 km
Calafat 153.7 km
Târgu Mureş 153.9 km
Gurahonț 154.6 km
Negotin 154.7 km
Semenicului Mountain Range 156.5 km
Huedin 157.8 km
Vidin 158.1 km
Vladeasa Mountain 158.6 km
Vărădia de Mureş 158.7 km
Sărmaşu 159.8 km
Ștei 160.5 km
Stana De Vale 162.4 km
Caracal 165.1 km
Piteşti 166.7 km
Bozovici 168.4 km
Stolnici 170.9 km
Bechet 171.5 km
Făgăraş 171.6 km
Lugoj 171.7 km
Reşița 174.1 km
Câmpulung 177.0 km
Dej 184.8 km
Zalău 190.7 km
Borod 190.7 km
Șoimi 192.4 km
Oravița 196.8 km
Batoş 202.6 km
Fundata 202.8 km
Holod 207.3 km
Crni Vrh Mountain 211.7 km
Moldova Nouă 213.3 km
Roşiori de Vede 214.7 km
Târgu Lăpuş 214.9 km
Bistrița 215.1 km
Șiria 218.6 km
Omu 222.7 km
Supur 224.7 km
Veliko Gradište 224.9 km
Târgovişte 224.9 km
Odorheiu Secuiesc 225.0 km
Sinaia (1500m) 229.8 km
Turnu Măgurele 230.2 km
Baia Mare 233.2 km
Ghimbav 233.3 km
Predeal 237.8 km
Vršac 238.7 km
Oradea 241.9 km
Luizi Calugara 242.3 km
Chişineu-Criş 242.4 km
Ocna Șugatag 245.9 km
Arad 246.2 km
Satu Mare 247.0 km
Timişoara 248.1 km
Titu 248.3 km
Baraolt 249.1 km
Săcueni 251.5 km
Dimitrovgrad 254.5 km
Alexandria 255.3 km
Câmpina 255.3 km
Banloc 257.5 km
Videle 257.7 km
Mourgash 261.3 km
Ineu Mountain 262.1 km