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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 - Molesey Distance
Heathrow Airport 15.1 km
Northolt 18.7 km
St James's Park 28.3 km
Charlwood 30.5 km
Kenley 30.5 km
Gatwick Airport 31.9 km
Biggin Hill 42.4 km
London City Airport 46.4 km
Rothamsted Park 46.8 km
Farnborough 47.7 km
Luton Airport 54.4 km
High Wycombe 60.2 km
Shoreham Airport 61.7 km
RAF Odiham 67.7 km
Gravesend Broadness 73.6 km
Woburn 75.8 km
Cranfield Airport 82.0 km
London Stansted Airport 85.5 km
Benson 86.7 km
Thorney Island 90.1 km
Herstmonceux 91.9 km
Bedford 93.9 km
Andrewsfield Aerodrome 105.5 km
Cambridge 108.6 km
London Southend Airport 117.7 km
London Oxford Airport 119.0 km
Southampton Airport 128.7 km
Shoeburyness 131.9 km
Wittering 136.7 km
Middle Wallop 137.9 km
St. Catherine's Point 138.2 km
RAF Brize Norton 142.3 km
Mildenhall Royal Air Force 142.8 km
Lydd Airport 151.0 km
Church Lawford 153.3 km
Lakenheath 153.8 km
MoD Boscombe Down 157.7 km
RAF Little Rissington 158.1 km
Larkhill 162.7 km
Fairford Airport 163.3 km
Wattisham 166.8 km
Marham 174.1 km
RAF Holbeach 174.2 km
Barkston 177.9 km
Bournemouth 178.1 km
MoD Lyneham 182.9 km
Cranwell 183.6 km
Manston 189.3 km
Coningsby 190.3 km
Langdon Bay 191.3 km
Coleshill 192.4 km
East Midlands Airport 193.7 km
Birmingham Airport 194.4 km
Waddington 199.4 km
Wainfleet 201.7 km
Pershore 205.9 km
Nottingham/Watnall 206.3 km
Gloucestershire Airport 208.8 km
Le Havre/Octeville 211.5 km
Scampton 214.5 km
Sainte-Adresse 214.7 km
Dieppe 228.3 km
Boulogne-sur-Mer 228.8 km
Cherbourg - Maupertus Airport 229.6 km
Norwich Weather Centre 230.4 km
Deauville-Saint-Gatien 231.7 km
Deauville-Saint-Gatien AP 232.6 km
Donna Nook 237.2 km
Weybourne 238.6 km
Le Touquet 239.2 km
Doncaster Airport 243.5 km
Coal Aston Airfield 244.9 km
Humberside 244.9 km
Caen 245.1 km
Filton 249.1 km
Isle of Portland 252.9 km
Cap de la Hague 255.9 km
Cosford 256.3 km
Yeovil 257.7 km
Bristol / Lulsgate 263.5 km
Thorncliffe 265.0 km
Leconfield 277.1 km
Alderney Channel Is 277.2 km
Abbeville 280.1 km
Rouen/Boos 280.5 km
Credenhill 283.6 km
Emley Moor transmitting station 287.6 km
Shobdon 297.3 km
Dunkirk 301.0 km
Shawbury 302.3 km
Bridlington 303.1 km
Manchester 306.9 km
Leeds Bradford Intl. Airport 312.0 km
Linton-On-Ouse 312.3 km
Rostherne 314.7 km
Evreux/Fauville 315.9 km
Jersey Airport 317.1 km
Bingley 318.2 km
Dunkeswell Airport 326.7 km
Guernsey Airport 331.4 km