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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 - Raf Mona Distance
Raf Mona 1.5 km
Valley 18.6 km
Capel Curig 51.0 km
Aberdaron 65.9 km
Bala 95.2 km
Rhyl 95.5 km
Isle of Man Airport 97.1 km
Trawscoed 110.8 km
Lake Vyrnwy 114.5 km
Aberporth 125.9 km
Crosby 147.4 km
Hawarden 154.3 km
Sennybridge 155.7 km
Walney 157.2 km
Blackpool Airport 158.8 km
St Bees Head 163.8 km
Liverpool AP 169.1 km
Pembrey Burrows 170.2 km
Warton Aerodrome Airport 174.1 km
Dundrennan 177.0 km
Milford Haven 188.0 km
RAF West Freugh 189.4 km
Mumbles 191.7 km
Shawbury 195.7 km
Shobdon 199.0 km
Keswick 202.7 km
Dublin Airport 210.6 km
Credenhill 217.3 km
Stonyhurst 221.2 km
Rostherne 221.3 km
Belfast/Harbour 225.6 km
St Athan 229.6 km
Dublin Csmt Aero 230.1 km
Manchester 232.2 km
Shap 233.2 km
Cardiff Airport 235.3 km
Cosford 239.2 km
Cosford 239.2 km
RM Chivenor 241.7 km
Cosford 241.8 km
Carlisle 243.7 km
Prestwick 252.7 km
Liscombe 255.3 km
Belfast Intl. Airport 259.6 km
Johnstown Castle 260.4 km
Glenanne 261.3 km
Warcop Range 261.8 km
Eskdalemuir 262.9 km
Thorncliffe 265.9 km
Great Dun Fell 266.3 km
Drumalbin 272.1 km
Bristol / Lulsgate 276.9 km
North Wyke 280.6 km
Machrihanish 284.0 km
Spadeadam II 284.4 km
Spadeadam 284.4 km
Bingley 285.2 km
Oak Park 285.5 km
Pershore 287.1 km
Gloucestershire Airport 288.2 km
Glasgow Airport 291.1 km
Ballypatrick Fst 293.4 km
Dunkeswell Airport 293.6 km
Portglenone 293.6 km
Glasgow Bishopton 295.4 km
Exeter Airport 298.9 km
Emley Moor transmitting station 303.2 km
Birmingham Airport 306.3 km
Cardinham 306.8 km
Leeds Bradford Airport 310.1 km
Coleshill 310.6 km
Yeovil 315.8 km
Lough Fea 317.5 km
Edinburgh Gogarbank 318.5 km
Newquay Airport 319.5 km
Edinburgh Airport 320.5 km
Plymouth MtBatten 322.5 km
Redesdale Camp 324.2 km
Waterford Airport 324.9 km
Coal Aston Airfield 326.9 km
RAF Lyneham 327.9 km
Mullingar 334.9 km
RAF Little Rissington 335.3 km
Fairford Airport 335.6 km
Leeming 336.3 km
Ballyhaise 338.3 km
Albemarle 339.4 km
East Midlands Airport 341.4 km
Islay/Port Ellen 341.6 km
Strathallan 347.7 km
Nottingham/Watnall 347.9 km
Topcliffe 348.5 km
Charterhall 351.2 km
RAF Brize Norton 351.9 km
Church Lawford 352.1 km
Glen Ogle 352.3 km
Camborne 352.7 km
Teesside Intl. Airport 355.7 km
Magilligan 356.9 km
Newcastle Intl. Airport 357.0 km