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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 - Hallum Distance
Hallum 0.0 km
Satenas 37.5 km
Naven 42.6 km
Luro Automated 48.7 km
Rångedala 59.7 km
Trollhattan Lufthavn 76.1 km
Kroppefjall-Granan 97.7 km
Skovde AP 104.9 km
Göteborg / Landvetter 107.9 km
Karlstad Airport 126.9 km
Jonkoping AP 132.0 km
Gothenburg 132.2 km
Ullared 133.1 km
Blomskog 144.0 km
Torpup 148.3 km
Arvika 153.1 km
Visingsö 155.8 km
Gardsjo 162.3 km
Hagshult 164.6 km
Karlsborg Air Base 165.4 km
Nidingen 167.7 km
Sunne 168.3 km
Axstal 172.8 km
Vinga Lighthouse 175.6 km
Halmstad Airport 178.6 km
Tomtabacken 182.4 km
Ljungby 184.8 km
Måseskär 190.7 km
Daglosen 194.2 km
Hallands Väderö 209.8 km
Gustavsfors 216.1 km
Ängelholm 219.7 km
Väderöarna 220.8 km
Kettstaka 226.8 km
Kilsbergen-Suttarboda 233.4 km
Kongsvinger 233.5 km
Koster Islands 235.1 km
Aurskog 237.2 km
Sarpsborg 238.2 km
Växjö Airport 241.0 km
Hästveda 242.9 km
Anholt 243.0 km
Ljungbyhed Airport 243.0 km
Örebro Airport 243.7 km
Örebro 245.3 km
Malexander 246.4 km
Helsingborg 249.5 km
Nakkehoved 250.7 km
Växjö 255.4 km
Stromtangen Lh 261.7 km
Malung 266.3 km
Kvarn 269.5 km
Sjaelsmark 273.9 km
Flisa Ii 274.3 km
Hörby 274.6 km
Skagen 274.7 km
Rygge 276.1 km
Linkoping/Malmslaett 278.4 km
Jægersborg 282.6 km
Kristianstad Airport 284.8 km
Kjeller Airport 285.9 km
Ferder 289.0 km
Ås 290.2 km
Linköping/Saab Airport 294.8 km
Copenhagen Airport 296.1 km
Malmö 297.7 km
Kloten 298.5 km
Gullholmen 299.3 km
Oslo Airport 299.3 km
Dragør Lighthouse 303.8 km
Malmö Airport 305.2 km
Oseberg 307.5 km
Kosta 312.1 km
Blindern 312.5 km
Koebenhavn/Roskilde 313.4 km
Hakadal 314.1 km
Melsomvik 315.1 km
Stenhoj 317.2 km
Gniben Point 318.2 km
Horn 318.8 km
Falsterbo 319.1 km
Tryvasshogda 319.8 km
Hanö 320.4 km
Hultsfred Airport 322.1 km
Bjornholt 322.3 km
Holbæk 322.7 km
Torp 322.7 km
Stora Spansberget 323.2 km
Sindal Airport 325.9 km
Langoytangen 329.0 km
Mora 329.8 km
Tesseboelle 332.3 km
Ronneby 332.8 km
Asker 334.4 km
Trysil Vegstasjon 334.6 km
Älvdalen 336.4 km
Skillinge 338.1 km
Sande-galleberg 344.4 km
Aarhus/Tirstrup 344.8 km
Hamar 345.8 km

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