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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 - Dartmoor Distance
Plymouth MtBatten 25.5 km
North Wyke 26.5 km
RM Chivenor 61.5 km
Exeter Airport 69.3 km
Liscombe 74.1 km
Cardinham 74.4 km
Dunkeswell Airport 91.3 km
Cornwall Airport Newquay 111.5 km
Mumbles 112.9 km
St Athan 114.0 km
Cardiff Airport 119.1 km
Pembrey Burrows 135.8 km
RNAS Culdrose 149.2 km
Camborne 151.2 km
Yeovil 160.1 km
Bristol / Lulsgate 170.0 km
Isle of Portland 172.6 km
Milford Haven 173.1 km
Sennybridge 173.8 km
Aberporth 186.7 km
Guernsey Airport 199.2 km
Trawscoed 199.3 km
Ploumanac'h 199.7 km
Lannion Airport 208.6 km
Brignogan-Plages 210.5 km
Credenhill 216.5 km
Morlaix/Ploujean 217.5 km
Alderney Channel Is 220.7 km
Landivisiau 224.9 km
Shobdon 226.3 km
Guipavas 237.7 km
Bournemouth 242.6 km
MoD Lyneham 247.3 km
Cap de la Hague 248.0 km
Jersey Airport 249.2 km
Lake Vyrnwy 251.5 km
Gloucestershire Airport 253.3 km
Larkhill 255.3 km
Lanvéoc/Poulmic 256.6 km
Ushant 257.4 km
Saint-Brieuc Armor 258.1 km
MoD Boscombe Down 259.7 km
Aberdaron 261.0 km
Scilly St Mary 265.5 km
Bala 265.9 km
Fairford Airport 276.3 km
Middle Wallop 279.0 km
Pershore 282.1 km
Capel Curig 283.3 km
Quimper 286.5 km
Shawbury 290.8 km
Pointe du Raz 291.0 km
Southampton Airport 292.0 km
RAF Little Rissington 295.3 km
Cherbourg - Maupertus Airport 298.9 km
Cosford 299.2 km
Cosford 299.2 km
Cosford 300.2 km
St. Catherine's Point 300.6 km
RAF Brize Norton 301.2 km
Raf Mona 303.8 km
Valley 305.6 km
Rhyl 305.9 km
Dinard/Pleurtuit 306.8 km
Penmarch 308.0 km
Hawarden 312.0 km
Lorient South Brittany Airport 317.6 km
Groix 326.9 km
Birmingham Airport 329.1 km
London Oxford Airport 330.9 km
Liverpool AP 334.7 km
Coleshill 335.7 km
Johnstown Castle 339.0 km
Crosby 343.8 km
Thorney Island 343.9 km
Benson 344.2 km
RAF Odiham 348.6 km
Church Lawford 358.7 km
Rostherne 360.5 km
Thorncliffe 364.2 km
Manchester 365.2 km
Farnborough 369.1 km
Le Talut 372.0 km
Rennes- Saint-Jacques Airport 373.8 km
Blackpool Airport 373.9 km
Warton Aerodrome Airport 376.2 km
High Wycombe 377.9 km
Waterford Airport 388.6 km
East Midlands Airport 390.9 km
Isle of Man Airport 398.5 km
Stonyhurst 402.9 km
Walney 404.9 km
Dublin Airport 406.1 km
Dublin Csmt Aero 407.8 km
Heathrow Airport 408.4 km
Nottingham/Watnall 410.1 km
Oak Park 411.3 km
Woburn 412.1 km
Northolt 412.5 km
Cranfield Airport 412.9 km