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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 - Umeå Distancia
Umeå Aeropuerto 0.0 km
Holmöarna 64.7 km
Jarnasklubb 77.0 km
Valsörarna 95.2 km
Strömmingsbådan 99.6 km
Petistrask 103.2 km
Skellefteå Aeropuerto 124.3 km
Korsnas Bredskaret 134.9 km
Örnsköldsvik Aeropuerto 152.5 km
Skagsudde 155.1 km
Norsjö 155.3 km
Bjuroklubb 161.2 km
Vaasa aeropuerto 182.6 km
Lycksele 191.3 km
Pite-Ronnskar 192.0 km
Kristinestad Lighthouse 193.3 km
Hemling 193.6 km
Älvsbyn 213.1 km
Fredrika 215.4 km
Vidsel 218.1 km
Arvidsjaur aeropuerto 218.2 km
Arvidsjaur 219.9 km
Mala-Brannan 234.9 km
Vastmarkum 236.9 km
Pietarsaari Kallan 250.5 km
Kauhajoki 255.8 km
Pori Tahkoluoto 256.4 km
Boden Army Air Base 257.3 km
Ylistaro 261.2 km
Lungo 271.5 km
Luleå 274.6 km
Lakatraesk 275.0 km
Jokkmokk 280.6 km
Rödkallen 281.7 km
Kokkola Tankar 285.6 km
Tjakaape 288.4 km
Kramfors Aeropuerto 291.1 km
Pori 293.3 km
Pori 295.4 km
Rauma Kylmapihlaja 298.7 km
Seinäjoki 305.9 km
Gunnarn 314.5 km
Kauhava 315.2 km
Nattavaara 315.8 km
Niinisalo 316.1 km
Kankaanpää 316.4 km
Kronoby 318.4 km
Buresjon 327.0 km
Bramon 327.6 km
Kustavi Isokari 331.4 km
Åsele 332.5 km
Sundsvall/Harnosand 343.1 km
Kokemäki 350.5 km
Gällivare 351.8 km
Latnivaara 360.3 km
Arjeplog 361.1 km
Storon 370.0 km
Junsele 371.3 km
Ulkokalla 373.3 km
Kumlinge 373.7 km
Kuggoren 377.6 km
Jomala 380.0 km
Svartbyn 383.2 km
Lumparland Langnas Harbour 384.7 km
Mariehamn / Aland Island 386.5 km
Paharova 387.2 km
Märket 388.5 km
Vilhelmina 391.0 km
Virrat Aijanneva 393.4 km
Nyhamn 402.2 km
Örskär 403.1 km
Turku 405.9 km
Turku Artukainen 406.2 km
Turku Rajakari 408.5 km
Nahkiainen 410.9 km
Kvikkjokk Arrenjarka 410.9 km
Fagerholm 414.5 km
Kiruna Aeropuerto 419.4 km
Saittarova 426.0 km
Toholampi 432.0 km
Piikkiö 434.6 km
Söderarm 434.9 km
Utö 435.5 km
Tampere 442.1 km
Eggegrund 442.4 km
Parque nacional Stora Sjöfallet 447.0 km
Nikkaluokta 447.5 km
Alajärvi 448.8 km
Bogskär 448.9 km
Hoting 451.8 km
Tampere 454.6 km
Svanberga 455.0 km
Ähtäri 456.9 km
Ylinenjarvi 458.5 km
Film 459.5 km
Kemi I 459.8 km
Dragsf Jard Vano 459.9 km
Krangede 463.4 km
Svenska Högarna 463.6 km
Svenska Högarna 464.4 km