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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.


Stazioni meteo nelle vicinanze - Ballymena Distanza
Portglenone 0.9 km
Aeroporto di Belfast-Aldergrove 33.6 km
Lough Fea 43.7 km
Ballypatrick Fst 47.1 km
Magilligan 64.3 km
Belfast/Porto 69.6 km
Glenanne 70.3 km
Eglinton Aeroporto 80.5 km
Islay/Porto Ellen 93.1 km
Machrihanish 104.4 km
Capo Malin 112.8 km
Castlederg 127.5 km
Ballyhaise 130.8 km
Thomastown 140.5 km
Dublino Aeroporto 160.1 km
RAF West Freugh 168.6 km
Dublino Csmt Aero 173.3 km
Mullingar 178.6 km
Isola di Tiree 186.9 km
Finner Camp 203.8 km
Donegal Aeroporto 211.4 km
Oban Aeroporto 212.0 km
Prestwick 219.9 km
Aeroporto dell'Isola di Man 220.1 km
Oak Park 228.5 km
Glasgow Bishopton 242.6 km
Sligo Aeroporto 247.8 km
Glasgow Aeroporto 250.6 km
Gurteen 267.4 km
Aonach Mòr 271.9 km
Dundrennan 271.9 km
Valle 278.6 km
Aeroporto di Irlanda Ovest 284.2 km
Johnstown Castle 284.8 km
South Uist Range 291.1 km
Raf Mona 291.5 km
Glen Ogle 293.2 km
Bealach na Bà 294.8 km
Tulloch Bridge 295.0 km
Aberdaron 299.6 km
Waterford Aeroporto 304.6 km
Benbecula 306.3 km
Claremorris 309.2 km
Drumalbin 313.6 km
St Bees Head 318.0 km
Capel Curig 341.8 km
Strathallan 342.5 km
Aultbea 344.3 km
Loch Glascarnoch 360.7 km
Eskdalemuir 364.4 km
Shannon Aeroporto 364.6 km
Edimburgo Gogarbank 365.2 km
Edimburgo Aeroporto 365.4 km
Walney 365.8 km
Keswick 367.7 km
Aberporth 368.3 km
Stornoway 370.9 km
Rhyl 372.8 km
Milford Haven 383.8 km
Bala 386.1 km
Carlisle 388.2 km
Aviemore 389.6 km
Roches Point 393.4 km
Trawscoed 394.7 km
Blackpool Aeroporto 398.5 km
Aeroporto di Inverness 399.4 km
Cairngorm 400.7 km
Béal an Mhuirthead 401.3 km
Aeroporto Internazionale di Cork 402.5 km
Crosby 406.0 km
Lago Vyrnwy 406.7 km
Warton Aerodrome Airport 416.1 km
Pembrey Burrows 419.1 km
Mace Head 420.3 km
Dundee/Riverside 420.6 km
Shap 421.3 km
Hawarden 429.5 km
Tain Air Weapons Range 429.7 km
Leuchars 433.1 km
Spadeadam II 434.6 km
Spadeadam 434.6 km
Liverpool AP 435.4 km
Altnaharra 440.2 km
Sennybridge 442.6 km
Kinloss 445.3 km
Great Dun Fell 445.7 km
Warcop Rape 450.2 km
The Mumbles 457.4 km
Stonyhurst 458.0 km
Charterhall 462.1 km
Redesdale Camp 466.6 km
Lossiemouth 470.7 km
Aboyne 471.8 km
Shawbury 479.5 km
Rostherne 482.7 km
RM Chivenor 491.3 km
Shobdon 491.8 km
Manchester 493.4 km
Sherkin 499.6 km
St Athan 509.9 km