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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 - Forfar Distance
Dundee/Riverside 26.7 km
Leuchars 30.9 km
Aboyne 48.5 km
Inverbervie 73.0 km
Edinburgh Airport 93.6 km
Edinburgh Gogarbank 95.4 km
Aberdeen Airport 97.5 km
Cairngorms 98.3 km
Strathallan 101.6 km
Charterhall 119.4 km
Aviemore 122.1 km
Lossiemouth 128.0 km
Kinloss 134.7 km
Drumalbin 148.8 km
Eskdalemuir 153.5 km
Glen Ogle 161.8 km
Inverness Airport 162.8 km
Redesdale Camp 166.3 km
RAF Tain 176.5 km
Spadeadam 181.7 km
Spadeadam II 181.7 km
Carlisle Lake District Airport 190.7 km
Carlisle 191.0 km
Glasgow Airport 192.4 km
Boulmer 198.1 km
Wick 201.3 km
Glasgow Bishopton 201.7 km
Tulloch Bridge 203.7 km
Albemarle 213.3 km
Newcastle Airport 222.9 km
Great Dun Fell 223.9 km
Prestwick 227.3 km
Keswick 229.0 km
Warcop Range 237.4 km
Shap 240.1 km
Dundrennan 240.3 km
Altnaharra 250.4 km
St Bees Head 250.4 km
Loch Glascarnoch 252.2 km
Kirkwall Airport 255.7 km
Oban Airport 280.2 km
Walney 284.5 km
Durham Tees Valley Airport 288.6 km
Leeming 301.5 km
RAF West Freugh 303.1 km
Stonyhurst 316.6 km
Sule Skerry 318.7 km
Topcliffe 319.6 km
Blackpool Airport 320.5 km
Warton Aerodrome Airport 323.5 km
Bealach na Bà 323.5 km
Loftus Samos 324.1 km
Aultbea 334.6 km
Bingley 335.9 km
Leeds Bradford Intl. Airport 338.7 km
Machrihanish 341.4 km
Woodvale 342.3 km
Linton-On-Ouse 342.5 km
Linton-On-Ouse 342.5 km
Isle of Man Airport 345.3 km
Fair Isle 349.6 km
Crosby 350.8 km
Fylingdales 354.2 km
Emley Moor transmitting station 364.6 km
Liverpool AP 368.8 km
Rostherne 370.6 km
Manchester 373.0 km
Rhyl 384.1 km
Hawarden 387.4 km
Islay/Port Ellen 389.8 km
Sumburgh Cape 400.1 km
Ballypatrick Fst 400.1 km
Belfast/Harbour 404.1 km
Thorncliffe 405.0 km
Coal Aston Airfield 406.2 km
Doncaster Airport 410.9 km
Capel Curig 411.4 km
Raf Mona 411.9 km
Leconfield 411.9 km
Bridlington 414.7 km
Stornoway 419.9 km
Valley 420.0 km
Bala 423.4 km
Shawbury 428.8 km
Lerwick 431.6 km
Belfast Intl. Airport 432.4 km
Lake Vyrnwy 438.3 km
Humberside 442.7 km
Portglenone 444.4 km
Nottingham/Watnall 444.5 km
Tiree Island 445.6 km
Cosford 451.6 km
Scampton 454.3 km
Scatsa/Shetland Island 456.3 km
East Midlands Airport 459.5 km
Waddington 468.6 km
Aberdaron 476.3 km
Magilligan 481.3 km
Coleshill 482.3 km
Cranwell 482.6 km