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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 - Valmiera Vzdálenost
Priekuļi 23.5 km
Rūjiena 35.9 km
Zosēni 67.5 km
Zosēni 67.5 km
Valga 73.1 km
Viljandi 86.2 km
Skrīveri 95.2 km
Madona 111.7 km
Skulte 114.3 km
Zīlāni 116.0 km
Ainaži 121.6 km
Türi 129.0 km
Pärnu (Letiště) 138.3 km
Gulbene 150.1 km
Biržai 152.7 km
Jõgeva 162.5 km
Riga Letiště 162.6 km
Kuusiku 163.3 km
Tartu 165.4 km
Kihnu 170.7 km
Bauska 177.8 km
Alūksne 180.2 km
Võru 181.1 km
Väike-Maarja Parish 184.3 km
Utena 203.6 km
Jelgava 206.0 km
Tallinn 208.4 km
Daugavpils 211.5 km
Panevėžys 213.7 km
Mustvee 216.6 km
Dūkštas 225.4 km
Nigula 228.8 km
Rēzekne 228.8 km
Kunda (Port) 235.2 km
Virtsu 237.7 km
Ukmergė 240.1 km
Ruhnu 241.5 km
Pakri 242.3 km
Kallbadagrund 247.0 km
Dobele 251.1 km
Švenčionys 254.9 km
Mērsrags 257.2 km
Töölö 263.6 km
Łyntupy 267.9 km
Kirkkonummi Makiluoto 268.7 km
Porvoo Emasalo 269.0 km
Vanhakaupunki 271.3 km
Porvoo Kilpilahti 278.8 km
Šiauliai Letiště 279.8 km
Šiauliai 282.7 km
Jõhvi 284.1 km
Letiště Helsinky-Vantaa 284.8 km
Porvoo 287.9 km
Bagaskar 288.4 km
Vilnius Letiště 294.1 km
Gdov 294.3 km
Pernaja Orrengrund 296.8 km
Kaunas (Letiště) 299.1 km
Tammisaari Jussaro 309.5 km
Nurmijärvi 311.9 km
Mantsala Hirvihaara 312.4 km
Vihti 312.6 km
Lohja 313.5 km
Sharkawshchyna 313.6 km
Kolka 314.3 km
Rajamäki 316.2 km
Kaunas 320.9 km
Stende 321.0 km
Kärdla (Letiště) 323.7 km
Verchňadzvinsk 329.7 km
Kuressaare Letiště 331.3 km
Rankki 331.5 km
Pskov 332.5 km
Raseiniai 334.3 km
Saldus 336.0 km
Hanko Tvarminne 336.4 km
Kotka Haapasaari 337.6 km
Lahti 345.7 km
Narva 351.5 km
Anjala 352.2 km
Kiikala (Letiště) 356.0 km
Russarö 356.1 km
Lammi 357.0 km
Hanko 362.0 km
Hämeenlinna 364.6 km
Mažeikiai 365.3 km
Lida 365.4 km
Dokšycy 370.7 km
Heinola 374.3 km
Pulkkilanharju Lighthouse 375.2 km
Sõrve peninsula 375.9 km
Opočka 376.2 km
Utti 376.3 km
Hattula 381.5 km
Marijampolė 381.6 km
Telšiai 385.2 km
Salo 385.8 km
Virolahti 389.8 km
Puskinskie Gory 391.1 km
Jokioinen 395.2 km

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