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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 - Lohja Distance
Lohja 2.1 km
Bagaskar 30.6 km
Vihti 44.8 km
Kirkkonummi Makiluoto 47.4 km
Kiikala Airport 48.8 km
Tammisaari Jussaro 66.3 km
Nurmijärvi 74.5 km
Jokioinen 84.0 km
Pakri 85.8 km
Hämeenlinna 93.0 km
Rajamäki 93.2 km
Hattula 95.3 km
Hanko Tvarminne 96.0 km
Vanhakaupunki 101.6 km
Salo 103.5 km
Helsinki Airport 104.2 km
Töölö 105.7 km
Tallinn 105.8 km
Tampere 129.4 km
Russarö 129.7 km
Tampere 130.5 km
Hanko 131.9 km
Nigula 132.7 km
Mantsala Hirvihaara 135.1 km
Lammi 139.4 km
Kuusiku 150.2 km
Piikkiö 165.7 km
Juupajoki 166.2 km
Porvoo Kilpilahti 168.9 km
Porvoo 176.0 km
Kallbadagrund 176.2 km
Porvoo Emasalo 178.1 km
Virtsu 179.9 km
Kärdla Airport 184.5 km
Halli 184.8 km
Halli Airport 186.4 km
Pärnu Airport 190.4 km
Lahti 192.9 km
Pulkkilanharju Lighthouse 195.6 km
Turku 198.8 km
Turku Artukainen 207.7 km
Dragsf Jard Vano 208.2 km
Türi 210.3 km
Kokemäki 214.3 km
Turku Rajakari 216.1 km
Kihnu 218.8 km
Virrat Aijanneva 220.2 km
Luhanka Judinsalo 221.2 km
Ähtäri 234.6 km
Kankaanpää 240.0 km
Niinisalo 240.3 km
Ainaži 243.1 km
Heinola 244.7 km
Viljandi 256.9 km
Ristna 257.1 km
Fagerholm 260.1 km
Ruhnu 264.3 km
Kuressaare Airport 266.0 km
Väike-Maarja Parish 268.8 km
Pernaja Orrengrund 269.0 km
Pori 278.9 km
Rūjiena 280.2 km
Pori 281.2 km
Leivonmäki 283.3 km
Seinäjoki 285.2 km
Jyväskylä 285.7 km
Kunda (Port) 289.3 km
Alajärvi 291.2 km
Utö 298.6 km
Kolka 299.8 km
Skulte 300.7 km
Jõgeva 303.7 km
Kauhajoki 303.7 km
Vilsandi 311.5 km
Anjala 312.6 km
Mērsrags 313.1 km
Kauhava 314.5 km
Rauma Kylmapihlaja 318.0 km
Sõrve peninsula 323.7 km
Ylistaro 325.6 km
Rankki 326.8 km
Pori Tahkoluoto 328.7 km
Priekuļi 328.9 km
Halsua Kanala Purola 329.2 km
Utti 329.7 km
Riga Airport 332.1 km
Valga 332.6 km
Kustavi Isokari 339.5 km
Kotka Haapasaari 350.7 km
Viitasaari 352.7 km
Mustvee 352.8 km
Stende 352.8 km
Tartu 358.0 km
Jelgava 363.4 km
Toholampi 364.9 km
Kumlinge 365.5 km
Kronoby 369.3 km
Zosēni 375.7 km
Zosēni 375.7 km
Dobele 376.8 km

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