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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 - Coleraine Distance
Magilligan 33.5 km
Portglenone 42.8 km
Ballypatrick Fst 53.8 km
Lough Fea 56.1 km
Eglinton Airport 58.1 km
Islay/Port Ellen 69.6 km
Belfast Intl. Airport 75.9 km
Malin Head 78.3 km
Belfast/Harbour 108.1 km
Glenanne 108.2 km
Machrihanish 108.9 km
Castlederg 117.7 km
Thomastown 142.5 km
Tiree Island 146.0 km
Ballyhaise 146.2 km
Donegal Airport 189.0 km
Finner Camp 193.7 km
RAF West Freugh 194.6 km
Oban Airport 197.3 km
Mullingar 200.1 km
Dublin Airport 200.4 km
Dublin Csmt Aero 211.5 km
Prestwick 232.7 km
Sligo Airport 239.5 km
Glasgow Bishopton 248.4 km
South Uist Range 248.8 km
Isle of Man Airport 256.3 km
Glasgow Airport 257.8 km
Aonach Mòr 259.2 km
Oak Park 261.3 km
Benbecula 264.2 km
Bealach na Bà 267.7 km
Ireland West Airport 280.6 km
Gurteen 284.1 km
Tulloch Bridge 285.0 km
Glen Ogle 292.7 km
Dundrennan 297.4 km
Claremorris 307.0 km
Aultbea 316.1 km
Valley 319.7 km
Johnstown Castle 321.9 km
Drumalbin 327.9 km
Raf Mona 332.1 km
Stornoway 335.7 km
Waterford Airport 336.5 km
Loch Glascarnoch 341.1 km
Aberdaron 342.3 km
St Bees Head 346.2 km
Strathallan 347.5 km
Shannon Airport 374.2 km
Edinburgh Airport 376.6 km
Edinburgh Gogarbank 376.8 km
Capel Curig 381.6 km
Eskdalemuir 383.5 km
Aviemore 384.0 km
Belmullet 387.8 km
Inverness Airport 389.0 km
Keswick 394.3 km
Walney 397.1 km
Cairngorms 397.4 km
Rhyl 410.6 km
Aberporth 411.3 km
Carlisle 411.4 km
Roches Point 415.4 km
Mace Head 417.0 km
Tain Air Weapons Range 417.9 km
Altnaharra 421.4 km
Cork Airport 422.2 km
Bala 425.6 km
Milford Haven 426.5 km
Dundee/Riverside 427.6 km
Blackpool Airport 431.9 km
Trawscoed 436.6 km
Kinloss 437.7 km
Crosby 441.2 km
Leuchars 441.4 km
Lake Vyrnwy 446.5 km
Shap 448.3 km
Warton Aerodrome Airport 449.3 km
Spadeadam 456.7 km
Spadeadam II 456.7 km
Pembrey Burrows 462.1 km
Lossiemouth 464.3 km
Hawarden 466.3 km
Liverpool AP 471.0 km
Great Dun Fell 471.0 km
Aboyne 473.4 km
Warcop Range 476.5 km
Charterhall 478.1 km
Sennybridge 484.4 km
Redesdale Camp 486.6 km
Stonyhurst 489.7 km
Sule Skerry 497.5 km
Mumbles 500.3 km
Sherkin 514.0 km
Rostherne 517.1 km
Shawbury 517.2 km
Inverbervie 521.3 km
Manchester 527.7 km
Shobdon 531.8 km