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United Kingdom

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 - Glenarm Distance
Ballypatrick Fst 32.7 km
Belfast/Harbour 41.6 km
Belfast Intl. Airport 44.3 km
Portglenone 55.8 km
Machrihanish 59.6 km
Islay/Port Ellen 85.4 km
Lough Fea 98.3 km
Glenanne 100.6 km
Magilligan 111.4 km
RAF West Freugh 115.4 km
Eglinton Airport 132.0 km
Malin Head 158.4 km
Prestwick 165.6 km
Dublin Airport 172.6 km
Oban Airport 177.4 km
Isle of Man Airport 177.8 km
Ballyhaise 179.7 km
Castlederg 182.4 km
Glasgow Bishopton 190.6 km
Dublin Csmt Aero 191.6 km
Thomastown 194.4 km
Tiree Island 197.9 km
Glasgow Airport 198.0 km
Dundrennan 218.8 km
Mullingar 221.6 km
Aonach Mòr 233.3 km
Glen Ogle 244.3 km
Valley 248.3 km
Tulloch Bridge 253.4 km
Oak Park 256.2 km
Finner Camp 258.7 km
Drumalbin 258.9 km
Raf Mona 259.1 km
Donegal Airport 264.5 km
St Bees Head 266.5 km
Bealach na Bà 273.2 km
Aberdaron 278.2 km
Strathallan 290.2 km
Johnstown Castle 301.9 km
Sligo Airport 302.7 km
South Uist Range 304.6 km
Capel Curig 306.7 km
Eskdalemuir 309.6 km
Edinburgh Gogarbank 310.8 km
Edinburgh Airport 311.0 km
Gurteen 312.5 km
Keswick 315.2 km
Walney 316.8 km
Benbecula 318.5 km
Aultbea 323.3 km
Loch Glascarnoch 327.7 km
Waterford Airport 331.7 km
Rhyl 332.8 km
Carlisle 334.3 km
Ireland West Airport Knock 338.4 km
Aviemore 343.1 km
Bala 350.1 km
Aberporth 350.6 km
Blackpool Airport 351.7 km
Cairngorms 352.6 km
Inverness Airport 356.7 km
Crosby 361.5 km
Stornoway 361.8 km
Claremorris 363.0 km
Dundee/Riverside 367.3 km
Trawscoed 367.5 km
Warton Aerodrome Airport 369.1 km
Shap 369.2 km
Lake Vyrnwy 371.4 km
Milford Haven 376.1 km
Leuchars 379.4 km
Spadeadam 380.5 km
Spadeadam II 380.5 km
Hawarden 387.5 km
RAF Tain 388.1 km
Liverpool AP 391.4 km
Great Dun Fell 392.7 km
Warcop Range 397.7 km
Kinloss 400.0 km
Pembrey Burrows 401.9 km
Altnaharra 405.4 km
Charterhall 407.2 km
Stonyhurst 409.4 km
Redesdale Camp 412.0 km
Shannon Airport 413.4 km
Sennybridge 414.6 km
Aboyne 420.5 km
Lossiemouth 424.4 km
Roches Point 432.4 km
Mumbles 436.9 km
Rostherne 437.1 km
Shawbury 439.1 km
Cork Airport 443.7 km
Manchester 447.6 km
Albemarle 454.8 km
Belmullet 456.2 km
Shobdon 456.8 km
Inverbervie 462.1 km
Bingley 474.1 km
Mace Head 474.1 km