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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.


Stations météo à proximité - Bristol (Aéroport) Distance
Bristol (Aéroport) 0.3 km
Yeovil 43.6 km
Cardiff Aéroport 69.8 km
Credenhill 78.4 km
St Athan 80.0 km
RAF Lyneham 81.7 km
Dunkeswell (Aéroport) 82.3 km
Gloucestershire Aéroport 83.9 km
Shobdon 98.2 km
Île de Portland 100.8 km
Liscombe 103.8 km
Larkhill 104.1 km
Exeter Aéroport 105.1 km
Fairford Aéroport 108.4 km
MoD Boscombe Down 110.3 km
Pershore 114.3 km
Bournemouth 118.8 km
Sennybridge 125.7 km
RAF Little Rissington 125.7 km
Middle Wallop 130.6 km
RAF Brize Norton 133.4 km
Mumbles 142.5 km
Cosford 147.1 km
Cosford 147.1 km
Cosford 147.1 km
North Wyke 148.5 km
Southampton Aéroport 156.1 km
Shawbury 157.6 km
Birmingham Aéroport 161.4 km
Royal Marines Base Chivenor 163.0 km
Aéroport d'Oxford Kidlington 163.5 km
Coleshill 167.9 km
Lake Vyrnwy 173.3 km
Trawscoed 173.8 km
St. Catherine's Point 181.1 km
Benson 182.0 km
Pembrey Burrows 187.4 km
Église Lawford 188.6 km
Plymouth MtBatten 193.6 km
Alderney Channel Is 194.1 km
Bala 194.9 km
RAF Odiham 197.9 km
Hawarden 200.5 km
Hague 204.9 km
Thorney Island 209.5 km
Thorncliffe 210.6 km
High Wycombe 216.0 km
Guernesey Aéroport 217.2 km
Liverpool AP 217.3 km
Farnborough 217.4 km
Aberporth 222.2 km
Rostherne 223.0 km
Midlands de l'Est Aéroport 223.2 km
Manchester 224.0 km
Rhyl 226.4 km
Capel Curig 234.0 km
Cherbourg (Aéroport) 237.6 km
Cardinham 238.2 km
Crosby 238.5 km
Nottingham/Watnall 243.3 km
Woburn 245.9 km
Cranfield Aéroport 246.0 km
Jersey Aéroport 247.7 km
Londres-Heathrow (Aéroport) 252.5 km
Northolt 255.4 km
Coal Aston Airfield 257.2 km
Milford Haven 262.1 km
Warton Aerodrome (Aéroport) 263.2 km
Bedford 265.3 km
Rothamsted Park 266.7 km
Londres-Luton (Aéroport) 267.1 km
Blackpool Aéroport 268.3 km
Aberdaron 273.1 km
Stonyhurst 273.9 km
Émetteur d'Emley Moor 274.0 km
Newquay Cornouailles (Aéroport) 274.4 km
Shoreham (Aéroport) 277.7 km
Charlwood 278.1 km
Raf Mona 278.6 km
Londres-Gatwick (Aéroport) 283.2 km
Wittering 285.9 km
Bingley 286.2 km
St James's Park 288.1 km
Vallée 289.7 km
Kenley 292.4 km
Ploumanac'h 295.5 km
Barkston 297.2 km
Leeds-Bradford (Aéroport) 300.7 km
Doncaster Aéroport 300.8 km
Lannion Aéroport 304.4 km
Biggin Hill 306.1 km
Cranwell 307.1 km
Londres-City (Aéroport) 308.3 km
Walney 309.6 km
Waddington 315.2 km
Camborne 317.1 km
Saint-Brieuc Armor 317.2 km
Royal Naval Air Station Culdrose 317.5 km
Dinard/Pleurtuit 319.7 km
Scampton 322.0 km