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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 - Sandnessjøen Distance
Sandnessjøen / Stokka 0.0 km
Tjøtta 15.7 km
Solvaer Iii 46.7 km
Bronnoysund / Bronnoy 61.1 km
Vega-Vallsjo 73.7 km
Mosjøen Kjaerstad 85.8 km
Myken Lighthouse 87.0 km
Laksfors 98.9 km
Seljelia 126.0 km
Majavatn 132.6 km
Namsskogan 139.6 km
Gartland 156.4 km
Skamdal 161.8 km
Reipå 166.0 km
Røst Airport 173.5 km
Værøy 185.4 km
Namsos Airport 190.6 km
Rorvik / Ryum 191.7 km
Susendal-Bjormo 191.8 km
Kjobli I Snasa 196.5 km
Mo i Rana 208.6 km
Nordli-Holand 215.9 km
Helligvær 222.7 km
Storforshei 234.4 km
Steinkjer 240.1 km
Stekenjokk 246.7 km
Nordøyan Lighthouse 248.4 km
Gäddede 251.4 km
Korsvattnet 258.4 km
Bodø 262.8 km
Leknes 269.2 km
Buholmråsa Lighthouse 282.2 km
Hjartasen 282.8 km
Meråker -Egge 290.0 km
Hemavan-Gierevarto 290.1 km
Hemavan Airport 291.7 km
Storlien 294.4 km
Gielas 297.8 km
Blahammaren 304.1 km
Sylan 317.8 km
Trondheim Airport 321.5 km
Kvithammer 322.8 km
Frosta 327.9 km
Åfjord 332.4 km
Saltdal 334.0 km
Skrova Lighthouse 339.0 km
Selbu 340.1 km
Föllinge 342.7 km
Svolvær / Helle 347.9 km
Trondheim 357.8 km
Bo I Vesteralen 358.3 km
Setsa 360.1 km
Solendet 365.0 km
Östersund 375.4 km
Bortnan 381.2 km
Tännäs 382.7 km
Røros Airport 388.9 km
Kotsoy 389.1 km
Røros Airport 389.5 km
Gubbhogen 391.8 km
Halten Lighthouse 394.0 km
Hallhaxasen 397.9 km
Stokmarknes 400.8 km
Ørland 403.9 km
Thamshavn 410.8 km
Mierkenis 413.6 km
Soknedal 416.0 km
Klövsjö 419.7 km
Dravagen 438.4 km
Sortland 441.6 km
Idre Fjall 445.5 km
Drevsjø 445.8 km
Tynset-hansmoen 447.0 km
Hunge 453.6 km
Hitra 459.4 km
Skomvaer Fyr 465.7 km
Hoting 465.9 km
Sveg 476.3 km
Oppdal/Seter 482.1 km
Norne 488.0 km
Tagdalen 494.1 km
Folldal 501.4 km
Sula 502.1 km
Trysil Vegstasjon 508.4 km
Vilhelmina 510.2 km
Vilhelmina 510.2 km
Krangede 511.8 km
Evenstad 518.4 km
Hjerkinn 523.0 km
Rena-Haugedalen 535.7 km
Venabu 538.9 km
Älvdalen 540.0 km
Hamra 543.8 km
Evenes 543.8 km
Andøya 544.3 km
Harstad 546.5 km
Fokstua Ii 550.2 km
Fåvang 554.0 km
Kvitfjell 556.1 km
Junsele 556.3 km