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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.


Estações Meteorológicas Próximas - Snowdonia Distância
Bala 44.5 km
Rhyl 50.4 km
Raf Mona 52.4 km
Lake Vyrnwy 64.9 km
Valley 68.8 km
Trawscoed 84.0 km
Aberdaron 95.7 km
Hawarden 106.0 km
Crosby 106.2 km
Sennybridge 120.1 km
Liverpool AP 123.3 km
Blackpool Aeroporto 124.6 km
Aberporth 128.4 km
Aeroporto da Ilha de Man 134.1 km
Walney 136.2 km
Warton Aerodrome Airport 137.1 km
Shawbury 144.9 km
Shobdon 150.2 km
Pembrey Burrows 161.0 km
St Bees Head 161.4 km
Credenhill 169.4 km
Mumbles 170.4 km
Rostherne 175.1 km
Stonyhurst 182.5 km
Manchester 185.8 km
Cosford 188.3 km
Cosford 188.3 km
Keswick 189.1 km
Dundrennan 189.3 km
Cosford 190.9 km
St Athan 196.2 km
Milford Haven 199.0 km
Cardiff Aeroporto 200.3 km
Shap 208.7 km
Thorncliffe 217.3 km
RAF West Freugh 224.9 km
RM Chivenor 225.2 km
Liscombe 227.1 km
Carlisle 230.7 km
Aeroporto de Bristol 233.8 km
Warcop Range 234.7 km
Pershore 236.4 km
Gloucester Aeroporto 238.7 km
Great Dun Fell 241.3 km
Bingley 243.3 km
Birmingham Aeroporto 255.3 km
Emley Moor 258.6 km
Eskdalemuir 258.7 km
North Wyke 259.2 km
Coleshill 259.7 km
Dunkeswell Airport 260.5 km
Dublin Aeroporto 260.5 km
Spadeadam 265.9 km
Spadeadam II 265.9 km
Aeroporto Internacional de Leeds Bradford 268.1 km
Exeter Aeroporto 269.0 km
Belfast/Harbour 273.5 km
Yeovil 274.6 km
Prestwick 277.9 km
Dublin Csmt Aero 279.2 km
Coal Aston Airfield 279.5 km
RAF Lyneham 279.6 km
Drumalbin 280.4 km
RAF Little Rissington 285.0 km
Fairford Aeroporto 286.0 km
Midlands Orientais Aeroporto 291.6 km
Leeming 298.6 km
Nottingham/Watnall 298.7 km
Johnstown Castle 299.7 km
Cardinham 299.7 km
Church Lawford 301.1 km
RAF Brize Norton 301.6 km
Redesdale Camp 304.8 km
Plymouth MtBatten 305.5 km
Aeroporto Internacional de Belfast 308.5 km
Topcliffe 309.1 km
Glenanne 312.1 km
Albemarle 312.6 km
Glasgow Aeroporto 312.7 km
Linton-On-Ouse 316.5 km
Larkhill 317.8 km
Newquay Airport 317.9 km
Glasgow Bishopton 318.6 km
Teesside Intl. Airport 319.8 km
Edinburgh Gogarbank 321.0 km
Oxford Airport 323.0 km
Edimburgo Aeroporto 323.2 km
MoD Boscombe Down 324.5 km
Machrihanish 325.1 km
Aeroporto Internacional de Newcastle 328.6 km
Doncaster Aeroporto 328.7 km
Isle of Portland 331.2 km
Oak Park 331.4 km
Charterhall 337.3 km
Ballypatrick Fst 339.4 km
Middle Wallop 341.2 km
Portglenone 342.4 km
Bournemouth 347.8 km
Camborne 355.1 km