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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 - Cassley Distance
Altnaharra 34.1 km
Loch Glascarnoch 53.3 km
Tain Air Weapons Range 92.8 km
Inverness Airport 101.6 km
Aultbea 107.3 km
Sule Skerry 107.4 km
Bealach na Bà 136.5 km
Kinloss 140.3 km
Tulloch Bridge 144.2 km
Aviemore 145.5 km
Aonach Mòr 152.3 km
Lossiemouth 163.7 km
Cairngorms 167.7 km
Stornoway 178.2 km
Wick 183.6 km
Glen Ogle 198.4 km
Oban Airport 203.6 km
Kirkwall Airport 220.2 km
Strathallan 232.7 km
Aboyne 241.7 km
Glasgow Bishopton 251.6 km
Glasgow Airport 256.6 km
Dundee/Riverside 268.6 km
Leuchars 286.5 km
Edinburgh Airport 289.4 km
Edinburgh Gogarbank 291.8 km
Prestwick 294.4 km
Aberdeen Airport 299.3 km
Drumalbin 303.5 km
Tiree Island 303.7 km
Benbecula 304.2 km
South Uist Range 309.1 km
Inverbervie 309.5 km
Machrihanish 322.2 km
Islay/Port Ellen 323.8 km
Eskdalemuir 358.8 km
RAF West Freugh 367.7 km
Ballypatrick Fst 367.9 km
Fair Isle 375.3 km
Charterhall 376.8 km
Dundrennan 381.6 km
Carlisle 408.6 km
Portglenone 413.9 km
Magilligan 415.4 km
Belfast/Harbour 416.1 km
Redesdale Camp 419.7 km
Spadeadam II 422.0 km
Spadeadam 422.0 km
Belfast Intl. Airport 423.0 km
St Bees Head 423.3 km
Malin Head 425.3 km
Sumburgh Cape 425.7 km
Keswick 431.1 km
Eglinton Airport 438.7 km
Lough Fea 447.4 km
Lerwick 450.2 km
Isle of Man Airport 453.1 km
Scatsa/Shetland Island 456.2 km
Great Dun Fell 462.0 km
Boulmer 462.4 km
Shap 466.0 km
Albemarle 471.1 km
Warcop Range 474.9 km
Walney 478.5 km
Glenanne 478.8 km
Tórshavn 483.6 km
Newcastle Intl. Airport 483.8 km
Castlederg 499.0 km
Baltasound 517.4 km
Soervaag / Vagar 517.7 km
Donegal Airport 531.0 km
Thomastown 531.9 km
Ballyhaise 538.9 km
Teesside Intl. Airport 547.0 km
Leeming 557.0 km
Finner Camp 564.9 km
Topcliffe 576.2 km
Loftus Samos 586.9 km
Linton-On-Ouse 598.9 km
Linton-On-Ouse 598.9 km
Sligo Airport 609.4 km
Fylingdales 617.8 km
Bridlington 679.0 km