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United Kingdom

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
Wisley 11.0 km
London Heathrow Airport 11.6 km
Northolt 17.3 km
Kenley 20.8 km
St. James's Park 20.8 km
Biggin Hill 26.6 km
Gatwick Airport 28.4 km
Charlwood 29.3 km
London City Airport 30.7 km
Farnborough 31.1 km
RAF Odiham 44.0 km
High Wycombe 45.7 km
Gravesend Broadness 45.8 km
Rothamsted Park 46.4 km
Luton Airport 53.8 km
Benson 57.2 km
East Malling and Larkfield 57.3 km
Shoreham Airport 61.4 km
Writtle 64.8 km
London Stansted Airport 68.7 km
Herstmonceux 71.9 km
Woburn 72.6 km
London Southend Airport 75.8 km
Thorney Island 76.1 km
Cranfield Airport 78.2 km
Andrewsfield Aerodrome 78.5 km
Shoeburyness 83.2 km
London Oxford Airport 83.6 km
Middle Wallop 88.8 km
Southampton Airport 91.1 km
Bedford 93.2 km
RAF Brize Norton 93.7 km
Cambridge 98.0 km
Girton 99.5 km
MoD Boscombe Down 100.6 km
Lydd Airport 101.9 km
Larkhill 103.2 km
Fairford Airport 104.3 km
Moulton Park 104.5 km
RAF Little Rissington 105.9 km
St. Catherine's Point 111.2 km
Monks Wood 113.5 km
MoD Lyneham 114.3 km
Barrow 115.3 km
Manston 118.4 km
Wattisham 121.3 km
Langdon Bay 121.9 km
Bournemouth 123.5 km
Mildenhall Royal Air Force 123.6 km
Church Lawford 126.5 km
Lakenheath 131.2 km
Coventry Airport 134.4 km
Wittering 135.6 km
Santon Downham 137.8 km
Swanage 142.2 km
Birmingham Airport 152.1 km
Coleshill 152.9 km
Marham 154.4 km
RAF Holbeach 168.3 km
Sutton Bonington 171.0 km
East Midlands Airport 174.8 km
Barkston 176.8 km
Cranwell 182.0 km
Coningsby 189.6 km
Waddington 198.8 km