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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 - Fossmark Distance
Fossmark 1.0 km
Jonshøgdi 31.0 km
Bergen 45.2 km
Evanger 46.2 km
Modalen Iii 47.2 km
Bergen Airport 59.7 km
Kvamsoy 64.6 km
Takle 67.8 km
Upsanger Lake 79.4 km
Vossevangen 79.9 km
Voss 88.4 km
Stord Airport 90.5 km
Forde / Bringeland 97.0 km
Slatteroy Fyr 98.3 km
Bringeland Lufthavn 104.7 km
Ullensvang Forsoks. 106.6 km
Furuneset 114.0 km
Nedre Vats 114.5 km
Fedje 114.8 km
Sauda 120.0 km
Vangsnes 126.4 km
Mjølfjell 137.4 km
Alfjorden 139.1 km
Florø 140.6 km
Haugesund / Karmoy 140.8 km
Sandane 152.4 km
Fjaerland Bremuseet 153.8 km
Fister_sigmundstad 154.4 km
Utsira 163.7 km
Kvitsoy - Nordbo 163.8 km
Ytteroyane Lh 164.2 km
Ytteroyane Lh 164.2 km
Liarvatn 168.4 km
Sogndal / Haukasen 172.6 km
Våland 172.8 km
Midtstova 174.4 km
Fet I Eidfjord 174.4 km
Stryn 181.0 km
Stavanger/Sola 182.9 km
Blasjo 182.9 km
Krakenes 186.8 km
Ørsta- Volda Airport 188.6 km
Saerheim 194.7 km
Dyranut Automated 199.9 km
Vaagsli 201.4 km
Finse 202.1 km
Obrestad Lighthouse 206.6 km
Svinøy Lighthouse 207.4 km
Lærdal 209.1 km
Hovden-lundane 213.9 km
Sirdal / Sinnes 220.7 km
Skalmen Lighthouse 223.2 km
Eigerøya 231.2 km
Alesund / Vigra 231.3 km
Eik Hove 238.6 km
Valle 249.0 km
Rekdal 263.0 km
Tafjord 268.1 km
Grotli Iii 272.9 km
Ona Ii 275.5 km
Geilo-oldebraten 275.9 km
Filefjell 276.5 km
Sognefjellet 279.1 km
Lista Lighthouse 282.0 km
Mosstrand Ii 284.8 km
Brata-slettom 286.6 km
Hoydalsmo Ii 298.4 km
Molde / Aro 301.3 km
Byglandsfjord/Solbakk 309.2 km
Konsmo 310.2 km
Mannen 313.4 km
Hollekolten 314.2 km
Lindesnes Lighthouse 317.1 km
Marstein 318.9 km
Juvvasshoe 322.3 km
Hemsedal Ii 322.4 km
Mandal 336.5 km
Bjorli 336.8 km
Tveitsund 352.8 km
Beitostølen 366.0 km
Kristiansand Airport 367.2 km
Hynnekleiv 367.6 km
Kristiansund / Kvernberget 371.6 km
Oksøy Lighthouse 374.9 km
Loken I Volbu 378.5 km
Nesbyen-todokk 380.4 km
Nelaug 383.9 km
Veggli 385.6 km
Gullfaks 391.5 km
Landvik 394.2 km
Fagernes 394.8 km
Fagernes Leirin 402.4 km
Notodden 403.5 km
Gjerstad 410.8 km
Veiholmen 415.2 km
Torungen Fyr 415.2 km
Dombås 415.5 km
Gullfax Platform 415.9 km
Skåbu 425.3 km
Gulsvik 433.1 km