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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.


Poblíž povětrnostní stanice - Tammisaari Jussaro Vzdálenost
Tammisaari Jussaro 0.8 km
Hanko Tvarminne 35.5 km
Bagaskar 51.5 km
Kiikala (Letiště) 66.6 km
Pakri 68.3 km
Russarö 68.8 km
Lohja 69.1 km
Hanko 72.6 km
Salo 76.1 km
Kirkkonummi Makiluoto 87.7 km
Nigula 92.5 km
Jokioinen 102.3 km
Vihti 111.0 km
Kärdla (Letiště) 117.7 km
Tallinn 121.4 km
Piikkiö 127.2 km
Virtsu 127.8 km
Nurmijärvi 139.9 km
Dragsf Jard Vano 153.0 km
Kuusiku 156.0 km
Hattula 156.8 km
Vanhakaupunki 157.6 km
Hämeenlinna 158.3 km
Rajamäki 158.8 km
Töölö 159.5 km
Turku 161.5 km
Tampere 163.3 km
Letiště Helsinky-Vantaa 163.9 km
Turku Artukainen 167.8 km
Tampere 169.3 km
Turku Rajakari 173.5 km
Pärnu (Letiště) 174.0 km
Kihnu 182.1 km
Ristna 190.8 km
Mantsala Hirvihaara 198.9 km
Kokemäki 199.8 km
Kuressaare Letiště 200.7 km
Lammi 206.4 km
Fagerholm 210.1 km
Ruhnu 210.5 km
Ainaži 217.4 km
Juupajoki 221.5 km
Porvoo Kilpilahti 226.1 km
Kallbadagrund 227.0 km
Türi 229.5 km
Porvoo Emasalo 233.3 km
Porvoo 234.6 km
Kolka 237.4 km
Kankaanpää 241.1 km
Niinisalo 241.6 km
Utö 243.1 km
Vilsandi 244.4 km
Halli 248.0 km
Halli (Letiště) 249.7 km
Virrat Aijanneva 256.2 km
Sõrve peninsula 257.5 km
Lahti 257.8 km
Mērsrags 258.8 km
Pori 259.6 km
Pori 261.9 km
Pulkkilanharju Lighthouse 262.3 km
Viljandi 269.8 km
Skulte 272.7 km
Rūjiena 280.4 km
Ähtäri 285.8 km
Rauma Kylmapihlaja 286.7 km
Luhanka Judinsalo 288.3 km
Stende 292.5 km
Riga Letiště 295.2 km
Kustavi Isokari 298.6 km
Väike-Maarja Parish 304.8 km
Seinäjoki 306.1 km
Pori Tahkoluoto 307.0 km
Kauhajoki 307.6 km
Heinola 309.7 km
Kumlinge 316.7 km
Jelgava 320.7 km
Priekuļi 321.1 km
Pernaja Orrengrund 324.2 km
Dobele 327.6 km
Kunda (Port) 333.5 km
Jõgeva 333.8 km
Ventspils 336.1 km
Ventspils Intl. Airport 338.5 km
Ylistaro 341.5 km
Alajärvi 341.8 km
Saldus 342.2 km
Kauhava 342.7 km
Valga 342.9 km
Leivonmäki 350.2 km
Jyväskylä 351.9 km
Bauska 352.9 km
Bogskär 359.6 km
Kristinestad Lighthouse 362.7 km
Lumparland Langnas Harbour 365.2 km
Skrīveri 365.8 km
Anjala 371.8 km
Zosēni 375.9 km
Zosēni 375.9 km
Mažeikiai 381.2 km

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