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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 - Thorney Island Distance
Thorney Island 0.7 km
RAF Odiham 47.1 km
St. Catherine's Point 50.0 km
Farnborough 54.6 km
Southampton Airport 54.6 km
Brighton City Airport 70.5 km
Middle Wallop 81.3 km
Charlwood 84.7 km
Gatwick Airport 89.7 km
Heathrow Airport 90.2 km
Benson 91.7 km
Northolt 96.8 km
High Wycombe 97.3 km
MoD Boscombe Down 100.6 km
Bournemouth 102.1 km
Kenley 106.7 km
Larkhill 107.2 km
St James's Park 116.2 km
Biggin Hill 120.2 km
Oxford Airport 122.1 km
Rothamsted Park 126.5 km
RAF Brize Norton 128.1 km
London City Airport 131.8 km
Luton Airport 132.7 km
Fairford Airport 136.9 km
Herstmonceux 137.5 km
Woburn 138.1 km
RAF Lyneham 142.0 km
Cranfield Airport 143.7 km
Cherbourg - Maupertus Airport 143.7 km
RAF Little Rissington 144.8 km
Bedford 163.1 km
Cap de la Hague 166.7 km
Isle of Portland 173.9 km
London Stansted Airport 174.6 km
Church Lawford 177.7 km
Le Havre/Octeville 181.1 km
Sainte-Adresse 182.9 km
Gloucestershire Airport 183.0 km
Alderney Channel Is 188.1 km
Caen 189.1 km
Yeovil 192.2 km
Pershore 193.6 km
Andrewsfield Aerodrome 193.9 km
Cambridge 196.7 km
London Southend Airport 198.2 km
Deauville-Saint-Gatien 201.5 km
Deauville-Saint-Gatien AP 201.7 km
Birmingham Airport 203.2 km
Coleshill 204.2 km
Wittering 206.1 km
Lydd Airport 207.2 km
Bristol / Lulsgate 210.3 km
Shoeburyness 210.8 km
Jersey Airport 228.3 km
East Midlands Airport 228.8 km
Mildenhall Royal Air Force 232.3 km
Barkston 242.5 km
Guernsey Airport 242.5 km
Lakenheath 242.9 km
Dieppe 245.1 km
Nottingham/Watnall 246.5 km
Cranwell 250.7 km
Credenhill 252.6 km
Cosford 253.0 km
Wattisham Airport 254.3 km
Langdon Bay 254.8 km
Cosford 255.1 km
Cosford 255.1 km
Holbeach Air Weapons Range 257.3 km
Dunkeswell Airport 258.7 km
Manston 259.2 km
Marham 262.5 km
Waddington 265.3 km
Coningsby 265.8 km
Shobdon 270.9 km
Exeter Airport 277.2 km
Cardiff Airport 277.7 km
Scampton 279.4 km
Dinard/Pleurtuit 279.6 km
Boulogne-sur-Mer 280.3 km
Coal Aston Airfield 282.7 km
Rouen/Boos 283.0 km
Thorncliffe 283.2 km
Le Touquet 284.0 km
Wainfleet All Saints 285.3 km
St Athan 287.9 km
Alencon/Valframbert 288.4 km
Shawbury 294.4 km
Doncaster Airport 296.0 km
Liscombe 300.2 km
Laval Airport 310.6 km
Evreux/Fauville 310.7 km
Humberside 314.4 km
Abbeville 315.4 km
Donna Nook 318.9 km
Rennes- Saint-Jacques Airport 319.0 km
Manchester 320.3 km
Norwich Weather Centre 320.6 km
Emley Moor transmitting station 322.1 km