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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 - Tønder Distance
Leck 19.4 km
Romo Island 42.9 km
Vester Vedsted 45.0 km
Hattstedt 49.2 km
List/Sylt 49.4 km
Vojens Airport 55.8 km
Westerland/Sylt 56.8 km
Askov 66.0 km
Sankt Peter-Ording 72.1 km
Esbjerg 73.2 km
Glücksburg/Meierwik 73.9 km
Vamdrup 76.9 km
Erfde 86.7 km
Schleswig 89.6 km
Jagel 91.2 km
Billund Airport 94.8 km
Elpersbüttel 96.7 km
Hohn 102.5 km
Hohn 102.6 km
Sønderborg Airport 104.0 km
Blavand Cape 109.6 km
Borris 115.6 km
Cuxhaven 118.0 km
Toroe 120.5 km
Ostenfeld 126.3 km
Kegnæs 127.0 km
Stauning Airport 128.9 km
Nordholz 130.4 km
Itzehoe 131.0 km
Isenvad 132.8 km
Schönhagen 134.5 km
Steinau 135.5 km
Helgoland/Düne 135.5 km
Hvide Sande 142.1 km
Alte Weser Lighthouse Lighthouse 142.9 km
Horsens 146.4 km
Karup 153.2 km
Kiel/Holtenau 156.4 km
Padenstedt (Pony-Park) 156.6 km
Bremerhaven 157.1 km
Mejrup 160.8 km
Wangerland 165.1 km
Kiel Lighthouse 165.5 km
Bremervörde 166.8 km
Quickborn 174.5 km
Odense 175.8 km
Feuerschiff Deutsche Bucht 177.3 km
Årslev 181.7 km
Hüttenbusch 182.3 km
Dörnick 187.2 km
Airbus Hamburg-Finkenwerder 188.7 km
Wittenborn 189.7 km
Aarhus Syd 190.6 km
Fuhlsbüttel 190.9 km
Svendborg Airport 191.6 km
Wittmund Airport 201.4 km
Rotenburg an der Wümme 205.6 km
Oedum 206.9 km
Thyborøn 207.6 km
Bremen Airport 207.9 km
Aalestrup 213.2 km
Hohwacht 214.2 km
Silstrup 220.8 km
Sletterhage 224.9 km
Hald 226.0 km
Großenkneten 230.4 km
Friesoythe - Altenoythe 231.3 km
Norderney 232.1 km
Langoe 239.0 km
Lübeck/Blankensee 240.3 km
Soltau 240.8 km
Rosnaes Cape 241.7 km
Pelzerhaken/Neustadt i.H. 243.9 km
Emden Airport 248.2 km
Aarhus/Tirstrup 249.9 km
Westermarkelsdorf 250.0 km
Nienburg 252.2 km
Grambek 253.0 km
Omø 255.5 km
Wendisch Evern 261.3 km
Bergen 261.6 km
Aalborg 262.0 km
Diepholz Airport 264.3 km
Boizenburg 265.5 km
Faßberg 267.0 km
Nieuw-Beerta 268.9 km
Kleinendorf 274.8 km
Tylstrup 276.1 km
Abed 276.2 km
Tysofte 278.0 km
Wunstorf 279.4 km
Boltenhagen 279.8 km
Borkum Airport 280.9 km
Flakkebjerg 285.7 km
Hanover Airport 286.5 km
Uelzen 287.8 km
Celle 288.3 km
Alfhausen 288.7 km
Bückeburg 292.8 km
Barsinghausen 294.4 km