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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 - Bala Lake Distance
Bala 5.0 km
Lake Vyrnwy 22.3 km
Capel Curig 42.7 km
Rhyl 42.8 km
Trawscoed 69.9 km
Hawarden 77.2 km
Sennybridge 90.7 km
Crosby 91.9 km
Raf Mona 93.8 km
Liverpool AP 98.9 km
Woodvale 99.3 km
Shawbury 106.2 km
Shobdon 108.3 km
Valley 109.9 km
Blackpool Airport 117.9 km
Aberdaron 124.8 km
Warton Aerodrome Airport 125.9 km
Credenhill 127.2 km
Aberporth 134.6 km
Walney 143.0 km
Rostherne 147.8 km
Cosford 151.0 km
Mumbles 151.8 km
Pembrey Burrows 154.1 km
Manchester 157.2 km
Stonyhurst 166.0 km
St Athan 166.1 km
Cardiff Airport 168.4 km
Isle of Man Airport 174.8 km
St Bees Head 181.5 km
Thorncliffe 184.6 km
Filton 190.5 km
Pershore 194.2 km
Bristol / Lulsgate 194.5 km
Gloucestershire Airport 196.6 km
Keswick 198.5 km
Liscombe 200.0 km
Milford Haven 206.7 km
Shap 207.6 km
RM Chivenor 208.5 km
Birmingham Airport 215.1 km
Dundrennan 217.4 km
Coleshill 219.8 km
Bingley 220.2 km
Dunkeswell Airport 229.2 km
Warcop Range 229.9 km
Emley Moor transmitting station 231.5 km
Yeovil 236.2 km
North Wyke 237.2 km
MoD Lyneham 237.5 km
Great Dun Fell 238.5 km
Carlisle 239.4 km
Exeter Airport 239.8 km
RAF Little Rissington 243.1 km
Fairford Airport 243.9 km
Leeds Bradford Intl. Airport 244.7 km
Carlisle Lake District Airport 245.4 km
Coal Aston Airfield 248.4 km
East Midlands Airport 255.4 km
RAF Brize Norton 259.7 km
Church Lawford 261.7 km
RAF West Freugh 263.5 km
Nottingham/Watnall 263.7 km
Spadeadam II 268.5 km
Spadeadam 268.5 km
Eskdalemuir 273.2 km
Larkhill 275.6 km
Leeming 280.4 km
London Oxford Airport 281.1 km
MoD Boscombe Down 282.2 km
Plymouth MtBatten 286.5 km
Topcliffe 288.5 km
Cardinham 289.2 km
Linton-On-Ouse 293.1 km
Isle of Portland 293.4 km
Doncaster Airport 298.3 km
Middle Wallop 298.7 km
Dublin Airport 299.4 km
Durham Tees Valley Airport 303.5 km
Drumalbin 303.9 km
Redesdale Camp 305.9 km
Albemarle 306.5 km
Bournemouth 306.5 km
Prestwick 311.6 km
Cornwall Airport Newquay 311.6 km
Benson 314.2 km
Belfast/Harbour 316.1 km
Dublin Csmt Aero 316.9 km
Newcastle Airport 320.4 km
Johnstown Castle 327.9 km
Southampton Airport 331.0 km
Edinburgh Gogarbank 339.2 km
Barkston 339.7 km
High Wycombe 340.8 km
Charterhall 341.9 km
Edinburgh Airport 342.0 km
Glasgow Airport 343.7 km
Scampton 344.5 km
Cranfield Airport 346.0 km
Waddington 346.5 km