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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 - Larne Distance
Belfast/Harbour 29.2 km
Belfast Intl. Airport 51.6 km
Ballypatrick Fst 55.0 km
Machrihanish 65.6 km
Portglenone 72.9 km
RAF West Freugh 96.3 km
Glenanne 103.6 km
Islay/Port Ellen 105.0 km
Lough Fea 113.3 km
Magilligan 131.6 km
Eglinton Airport 151.9 km
Prestwick 154.3 km
Isle of Man Airport 155.2 km
Dublin Airport 164.6 km
Malin Head 180.0 km
Glasgow Bishopton 182.8 km
Oban Airport 183.8 km
Dublin Csmt Aero 185.5 km
Ballyhaise 189.0 km
Glasgow Airport 189.3 km
Castlederg 199.2 km
Dundrennan 199.9 km
Thomastown 207.5 km
Tiree Island 218.8 km
Mullingar 226.2 km
Valley 226.6 km
Aonach Mòr 236.9 km
Raf Mona 237.7 km
Glen Ogle 239.8 km
Drumalbin 245.3 km
St Bees Head 246.7 km
Oak Park 252.9 km
Tulloch Bridge 254.9 km
Aberdaron 258.0 km
Skye/Lusa 265.8 km
Finner Camp 274.4 km
Strathallan 281.8 km
Donegal Airport 283.3 km
Capel Curig 284.3 km
Bealach na Bà 284.6 km
Eskdalemuir 293.4 km
Johnstown Castle 294.0 km
Walney 295.3 km
Keswick 295.8 km
Edinburgh Gogarbank 298.7 km
Edinburgh Airport 298.8 km
Rhyl 311.6 km
Carlisle 316.5 km
Sligo Airport 317.3 km
Gurteen 317.8 km
South Uist Range 325.3 km
Waterford Airport 327.6 km
Bala 328.4 km
Blackpool Airport 330.0 km
Aberporth 331.0 km
Carlisle Lake District Airport 333.5 km
Loch Glascarnoch 333.7 km
Aultbea 334.7 km
Woodvale 336.9 km
Benbecula 337.9 km
Crosby 339.2 km
Aviemore 340.4 km
Trawscoed 345.4 km
Warton Aerodrome Airport 348.0 km
The Cairnwell 348.3 km
Cairngorms 348.4 km
Lake Vyrnwy 348.9 km
Shap 349.1 km
Ireland West Airport Knock 351.8 km
Inverness Airport 355.7 km
Dundee/Riverside 357.1 km
Milford Haven 358.9 km
Spadeadam 362.5 km
Spadeadam II 362.5 km
Hawarden 365.0 km
Leuchars 368.6 km
Liverpool AP 369.0 km
Great Dun Fell 373.4 km
Claremorris 375.8 km
Stornoway 377.1 km
Warcop Range 377.9 km
Pembrey Burrows 382.3 km
Stonyhurst 387.8 km
RAF Tain 388.4 km
Charterhall 391.9 km
Sennybridge 393.0 km
Redesdale Camp 395.4 km
Kinloss 397.9 km
Altnaharra 409.9 km
Aboyne 412.9 km
Rostherne 415.7 km
Shawbury 416.5 km
Mumbles 416.5 km
Shannon Airport 420.7 km
Lossiemouth 421.4 km
Manchester 425.4 km
Roches Point 433.5 km
Shobdon 434.9 km
Albemarle 437.3 km
Cork Airport 446.1 km