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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 - Sevenoaks Distance
Biggin Hill 12.9 km
East Malling and Larkfield 18.6 km
Kenley 19.0 km
Gravesend Broadness 22.0 km
London City Airport 27.6 km
Gatwick Airport 28.7 km
Charlwood 31.7 km
St. James's Park 33.3 km
Herstmonceux 43.4 km
Wisley 45.7 km
London Southend Airport 49.1 km
London Heathrow Airport 49.4 km
Northolt 51.2 km
Writtle 52.6 km
Shoeburyness 54.2 km
Shoreham Airport 58.3 km
Lydd Airport 63.2 km
Farnborough 66.3 km
London Stansted Airport 68.7 km
Rothamsted Park 69.9 km
Andrewsfield Aerodrome 71.1 km
Luton Airport 76.9 km
RAF Odiham 78.0 km
Manston 81.9 km
High Wycombe 82.6 km
Langdon Bay 82.9 km
Thorney Island 93.0 km
Benson 96.3 km
Woburn 99.5 km
Cambridge 103.8 km
Cranfield Airport 104.8 km
Girton 107.7 km
Wattisham 108.4 km
Barrow 112.6 km
Bedford 115.3 km
Boulogne-sur-Mer 115.8 km
Southampton Airport 118.2 km
London Oxford Airport 121.7 km
Middle Wallop 123.0 km
Mildenhall Royal Air Force 124.1 km
St. Catherine's Point 129.1 km
Monks Wood 129.1 km
Lakenheath 130.7 km
Le Touquet 130.9 km
Moulton Park 132.8 km
Santon Downham 135.8 km
Wittering 154.6 km
Marham 156.2 km
Dieppe 161.9 km
Norwich Weather Centre 170.3 km
RAF Holbeach 178.1 km
Le Havre/Octeville 192.9 km
Sainte-Adresse 196.7 km