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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 - Gustaf Dalen Distance
Landsort 47.3 km
Harstena 62.4 km
Skavasta/Stockholm 64.3 km
Tullinge 79.6 km
Adelsö 81.6 km
Harsfjarden 87.6 km
Stockholm Bromma Airport 94.5 km
Stockholm 99.9 km
Stockholm Observatory 103.8 km
Enköping 118.9 km
Stockholm Arlanda Airport 123.7 km
Kolmarden-Stromsfors 128.3 km
Floda 128.5 km
Norrköping Airport 135.4 km
Uppsala University 135.7 km
Olands Norra Udde 137.3 km
Uppsala 138.8 km
Visby 139.4 km
Eskilstuna 140.3 km
Stockholm Västerås Airport 140.7 km
Norrköping 146.6 km
Gladhammar 146.9 km
Stavsnäs 156.4 km
Sala 165.0 km
Film 179.8 km
Farosund-Ar 180.2 km
Svanberga 184.1 km
Kerstinbo 185.2 km
Hoburg 193.5 km
Horn 193.8 km
Gotska Sandön 193.9 km
Linköping/Saab Airport 199.9 km
Oestergarnsholm 208.7 km
Hultsfred Airport 215.8 km
Linkoping/Malmslaett 216.3 km
Kvarn 226.4 km
Eggegrund 226.7 km
Gävle 227.5 km
Örskär 228.8 km
Kalmar 237.5 km
Kalmar Airport 242.0 km
Svenska Högarna 243.4 km
Svenska Högarna 243.5 km
Söderarm 248.7 km
Malexander 255.1 km
Märket 258.3 km
Kettstaka 271.2 km
Åmot 277.0 km
Örebro 277.4 km
Örebro Airport 278.4 km
Kloten 281.4 km
Olands Sodra Udde 281.8 km
Kosta 292.1 km
Dala Airport 292.2 km
Kilsbergen-Suttarboda 295.4 km
Nyhamn 313.4 km
Mariehamn / Aland Island 315.3 km
Stora Spansberget 322.1 km
Axstal 322.8 km
Jomala 326.1 km
Kuggoren 329.2 km
Karlsborg Air Base 329.6 km
Bogskär 334.7 km
Karlskrona 335.5 km
Petrobaltic Beta 340.0 km
Utklippan 343.4 km
Visingsö 343.7 km
Gardsjo 344.6 km
Växjö 348.3 km
Ronneby 349.4 km
Lumparland Langnas Harbour 353.3 km
Växjö Airport 353.4 km
Edsbyn 353.6 km
Tomtabacken 354.1 km
Delsbo 358.6 km
Daglosen 382.9 km
Bramon 385.0 km
Jonkoping AP 387.5 km
Skovde AP 389.9 km
Hagshult 396.3 km
Hanö 401.4 km
Kumlinge 404.6 km
Łeba 408.8 km
Sundsvall/Harnosand 415.9 km
Mora 416.2 km
Hamra 427.6 km
Lębork 430.6 km
Ustka 432.4 km
Lungo 435.0 km
Torpshammar 435.8 km
Gustavsfors 440.7 km
Ljungby 440.8 km
Hel 448.5 km
Pāvilosta 451.7 km
Utö 453.3 km
Liepāja 453.5 km
Kustavi Isokari 453.5 km
Gdańsk Lech Wałęsa Airport 460.5 km
Nexø 461.6 km
Hammerodde/Bornholm 462.3 km