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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 - Ristrask Distance
Gunnarn 42.9 km
Åsele 59.9 km
Vilhelmina 66.5 km
Vilhelmina 66.5 km
Buresjon 102.3 km
Junsele 122.3 km
Fredrika 123.7 km
Mala-Brannan 137.7 km
Lycksele 143.9 km
Arjeplog 148.3 km
Hoting 149.7 km
Hemling 167.9 km
Kramfors Airport 180.7 km
Vastmarkum 190.8 km
Gubbhogen 216.3 km
Norsjö 218.3 km
Krangede 218.5 km
Örnsköldsvik Airport 220.3 km
Arvidsjaur 224.4 km
Arvidsjaur Airport 225.5 km
Lungo 231.3 km
Sundsvall/Harnosand 233.6 km
Kvikkjokk Arrenjarka 239.2 km
Skagsudde 239.5 km
Petistrask 252.8 km
Hallhaxasen 254.8 km
Mierkenis 255.8 km
Tjakaape 258.2 km
Bramon 267.6 km
Torpshammar 268.6 km
Gielas 271.2 km
Jarnasklubb 284.7 km
Hemavan Airport 286.4 km
Hemavan-Gierevarto 287.1 km
Stora Sjöfallet National Park 310.3 km
Ritsem 320.4 km
Kuggoren 320.5 km
Delsbo 323.2 km
Vidsel 326.5 km
Stekenjokk 327.3 km
Umeå Airport 331.6 km
Föllinge 334.2 km
Saltdal 334.4 km
Hjartasen 335.4 km
Hunge 335.6 km
Setsa 339.6 km
Jokkmokk 356.7 km
Gäddede 358.3 km
Tarfala Valley 362.8 km
Östersund 364.6 km
Storforshei 369.7 km
Nikkaluokta 376.1 km
Susendal-Bjormo 380.7 km
Mo i Rana 391.0 km
Holmöarna 393.7 km
Straumsnes 395.2 km
Katterjakk 400.6 km
Katterjåkk 401.0 km
Edsbyn 405.3 km
Skellefteå Airport 406.4 km
Strömmingsbådan 411.0 km
Evenes 412.9 km
Latnivaara 413.1 km
Åmot 414.6 km
Nordli-Holand 414.6 km
Älvsbyn 416.6 km
Eggegrund 423.2 km
Skomvaer Fyr 423.2 km
Hamra 423.8 km
Skamdal 426.0 km
Gävle 426.2 km
Valsörarna 426.3 km
Bodø 431.0 km
Klövsjö 435.8 km
Gällivare 440.2 km
Sveg 441.8 km
Rensjon 443.0 km
Lakatraesk 443.4 km
Nattavaara 444.4 km
Harstad 446.3 km
Korsvattnet 448.0 km
Bortnan 451.2 km
Seljelia 454.3 km
Majavatn 455.3 km
Örskär 455.6 km
Korsnas Bredskaret 457.7 km
Kiruna Airport 459.1 km
Pite-Ronnskar 461.3 km
Bjuroklubb 462.6 km
Laksfors 471.4 km
Kerstinbo 475.8 km
Film 478.4 km
Skrova Lighthouse 480.5 km
Sortland 480.9 km
Boden Army Air Base 481.5 km
Reipå 482.4 km
Mosjøen Kjaerstad 483.2 km
Svolvær / Helle 487.5 km
Helligvær 487.9 km
Kristinestad Lighthouse 492.7 km

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