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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 - Frosta Distancia
Frosta 2.1 km
Kvithammer 22.9 km
Trondheim-Værnes aeropuerto 29.3 km
Trondheim 29.8 km
Selbu 50.7 km
Kotsoy 64.3 km
Åfjord 69.2 km
Soknedal 86.2 km
Thamshavn 96.3 km
Buholmråsa Lighthouse 96.6 km
Steinkjer 99.8 km
Meråker -Egge 117.2 km
Ørland 121.7 km
Røros Aeropuerto 129.1 km
Røros Aeropuerto 132.7 km
Nordøyan Lighthouse 137.6 km
Tynset-hansmoen 140.2 km
Namsos Aeropuerto 141.6 km
Rorvik / Ryum 149.6 km
Oppdal/Seter 153.8 km
Solendet 157.9 km
Halten Lighthouse 158.0 km
Storlien 162.8 km
Blahammaren 170.8 km
Folldal 173.6 km
Hitra 174.9 km
Sylan 186.3 km
Tagdalen 187.4 km
Hjerkinn 193.3 km
Kjobli I Snasa 209.9 km
Venabu 217.4 km
Gartland 217.4 km
Fokstua Ii 221.3 km
Fåvang 236.0 km
Evenstad 236.4 km
Kvitfjell 236.5 km
Drevsjø 237.1 km
Dombås 238.1 km
Sula 248.9 km
Tännäs 251.2 km
Skåbu 263.3 km
Vega-Vallsjo 268.8 km
Lillehammer-saetherengen 269.9 km
Bronnoysund / Bronnoy 269.9 km
Namsskogan 273.5 km
Rena-Haugedalen 274.4 km
Vest-torpa Ii 295.0 km
Hamar aeropuerto 301.8 km
Idre Fjall 301.9 km
Trysil Vegstasjon 302.6 km
Kise Pa Hedmark 304.0 km
Hamar 304.0 km
Veiholmen 304.7 km
Bjorli 310.7 km
Apelsvoll 312.3 km
Korsvattnet 315.1 km
Tjøtta 315.5 km
Fagernes Leirin 319.2 km
Beitostølen 319.4 km
Kristiansund / Kvernberget 320.8 km
Loken I Volbu 321.6 km
Fagernes 324.4 km
Juvvasshoe 329.2 km
Sandnessjøen / Stokka 329.9 km
Marstein 338.2 km
Mannen 345.9 km
Majavatn 346.7 km
Nordli-Holand 351.6 km
Flisa Ii 352.9 km
Brata-slettom 359.5 km
Dravagen 362.7 km
Bortnan 363.1 km
Gulsvik 367.2 km
Laksfors 367.4 km
Oslo-Gardermoen aeropuerto 368.2 km
Nesbyen-todokk 369.8 km
Sognefjellet 370.0 km
Mosjøen Kjaerstad 372.4 km
Hønefoss 373.6 km
Solvaer Iii 374.9 km
Hakadal 375.8 km
Grotli Iii 376.0 km
Hemsedal Ii 376.3 km
Hollekolten 380.3 km
Bjornholt 382.7 km
Filefjell 387.0 km
Tryvasshogda 390.0 km
Molde / Aro 390.4 km
Tafjord 391.4 km
Kjeller aeropuerto 393.3 km
Blindern 394.6 km
Kongsvinger 395.2 km
Norne 396.4 km
Klövsjö 402.4 km
Myken Lighthouse 404.0 km
Asker 405.2 km
Gäddede 407.2 km
Aurskog 409.7 km
Drammen Berskog 420.3 km
Veggli 420.7 km