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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 - Exmoor NP Distance
St Athan 40.3 km
Exeter Airport 44.1 km
Cardiff Airport 45.0 km
Dunkeswell Airport 47.1 km
North Wyke 48.5 km
RM Chivenor 61.2 km
Mumbles 68.6 km
Plymouth MtBatten 99.5 km
Bristol / Lulsgate 103.5 km
Yeovil 108.0 km
Sennybridge 109.3 km
Pembrey Burrows 110.6 km
Cardinham 135.2 km
Credenhill 142.4 km
Isle of Portland 142.7 km
Trawscoed 145.3 km
Shobdon 152.4 km
Aberporth 158.7 km
Newquay Airport 170.9 km
Milford Haven 175.3 km
Gloucestershire Airport 183.7 km
RAF Lyneham 184.9 km
Lake Vyrnwy 185.8 km
Bournemouth 199.5 km
Larkhill 200.8 km
Bala 202.6 km
MoD Boscombe Down 206.1 km
Pershore 210.9 km
Fairford Airport 212.2 km
Camborne 213.9 km
Guernsey Airport 214.5 km
RNAS Culdrose 215.2 km
Shawbury 217.3 km
Alderney Channel Is 217.7 km
Cosford 225.2 km
Cosford 225.2 km
Cosford 226.2 km
Middle Wallop 226.5 km
Aberdaron 227.0 km
Capel Curig 227.1 km
RAF Little Rissington 229.2 km
RAF Brize Norton 237.3 km
Cap de la Hague 239.8 km
Hawarden 241.5 km
Rhyl 242.0 km
Southampton Airport 245.8 km
Ploumanac'h 250.4 km
Raf Mona 256.7 km
Birmingham Airport 257.4 km
Jersey Airport 259.5 km
Lannion Airport 259.7 km
St. Catherine's Point 262.0 km
Valley 262.1 km
Liverpool AP 263.6 km
Coleshill 264.1 km
Oxford Airport 267.3 km
Crosby 275.0 km
Morlaix/Ploujean 276.9 km
Brignogan-Plages 278.7 km
Benson 284.8 km
Cherbourg - Maupertus Airport 285.7 km
Rostherne 287.1 km
Church Lawford 289.6 km
Thorncliffe 290.1 km
Landivisiau 290.2 km
Manchester 291.5 km
Saint-Brieuc Armor 295.5 km
RAF Odiham 296.1 km
Thorney Island 299.6 km
Blackpool Airport 305.5 km
Guipavas 306.2 km
Warton Aerodrome Airport 306.4 km
Farnborough 316.2 km
High Wycombe 318.8 km
East Midlands Airport 319.0 km
Lanvéoc/Poulmic 325.0 km
Dinard/Pleurtuit 326.2 km
Scilly St Mary 327.2 km
Ushant 330.7 km
Stonyhurst 330.7 km
Nottingham/Watnall 337.7 km
Walney 339.3 km
Coal Aston Airfield 345.4 km
Woburn 349.7 km
Johnstown Castle 349.8 km
Cranfield Airport 349.8 km
Quimper 351.0 km
Isle of Man Airport 352.4 km
Heathrow Airport 353.3 km
Emley Moor transmitting station 354.0 km
Northolt 356.7 km
Bingley 359.5 km
Pointe du Raz 361.4 km
Bedford 369.1 km
Lorient South Brittany Airport 369.6 km
Rothamsted Park 369.7 km
Brighton City Airport 370.3 km
Luton Airport 370.4 km
Penmarch 374.5 km