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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 - Helsinki majakka Distancia
Töölö 18.5 km
Vanhakaupunki 24.6 km
Helsinki-Vantaa aeropuerto 39.1 km
Kirkkonummi Makiluoto 63.2 km
Nurmijärvi 65.1 km
Tallin 66.8 km
Rajamäki 68.1 km
Vihti 75.8 km
Kallbadagrund 76.2 km
Mantsala Hirvihaara 76.5 km
Porvoo Kilpilahti 79.7 km
Porvoo Emasalo 84.2 km
Porvoo 89.7 km
Kuusiku 99.8 km
Bagaskar 100.2 km
Lohja 101.6 km
Islas Pakri 112.1 km
Lammi 113.9 km
Hämeenlinna 117.7 km
Türi 125.5 km
Lahti 131.1 km
Hattula 136.4 km
Tammisaari Jussaro 150.0 km
Pulkkilanharju Lighthouse 150.0 km
Kiikala aeropuerto 151.0 km
Nigula 157.9 km
Pärnu Aeropuerto 161.0 km
Väike-Maarja Parish 167.1 km
Pernaja Orrengrund 173.9 km
Viljandi 175.1 km
Heinola 179.2 km
Jokioinen 181.4 km
Hanko Tvarminne 185.9 km
Kunda (Port) 186.6 km
Luhanka Judinsalo 190.0 km
Halli 194.0 km
Halli aeropuerto 194.9 km
Tampere 202.8 km
Jõgeva 204.4 km
Salo 205.7 km
Juupajoki 205.8 km
Virtsu 210.1 km
Tampere 211.4 km
Rūjiena 212.4 km
Kihnu 215.2 km
Ainaži 217.9 km
Russarö 219.6 km
Hanko 223.3 km
Anjala 224.2 km
Rankki 232.3 km
Leivonmäki 235.5 km
Utti 244.5 km
Valga 249.3 km
Mustvee 250.6 km
Kärdla aeropuerto 251.2 km
Kotka Haapasaari 254.7 km
Tartu 260.2 km
Jyväskylä 262.5 km
Piikkiö 267.3 km
Priekuļi 267.9 km
Skulte 272.2 km
Ähtäri 274.5 km
Jõhvi 282.8 km
Ruhnu 286.0 km
Virrat Aijanneva 287.2 km
Turku 300.9 km
Zosēni 302.1 km
Zosēni 302.1 km
Dragsf Jard Vano 303.2 km
Mikkeli 309.4 km
Turku Artukainen 309.4 km
Virolahti 312.4 km
Võru 313.7 km
Riga Aeropuerto 315.6 km
Kokemäki 315.7 km
Turku Rajakari 317.2 km
Kuressaare Aeropuerto 319.3 km
Alajärvi 327.6 km
Mērsrag 332.0 km
Skrīveri 332.8 km
Ristna 333.8 km
Viitasaari 334.0 km
Kankaanpää 335.3 km
Niinisalo 335.5 km
Kolka 340.6 km
Madona 340.8 km
Alūksne 343.7 km
Gulbene 344.8 km
Vesanto 344.8 km
Gdov 346.0 km
Jelgava 355.4 km
Fagerholm 358.6 km
Halsua Kanala Purola 359.1 km
Narva 360.7 km
Zīlāni 360.8 km
Seinäjoki 364.8 km
Bauska 365.4 km
Vaasa Klemettila 371.4 km
Lappeenranta 376.6 km
Biržai 377.5 km

Estado actual