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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 - Biggin Hill Distance
Biggin Hill 3.4 km
Kenley 13.9 km
London City Airport 22.3 km
St James's Park 29.2 km
Gatwick Airport 29.3 km
Charlwood 34.1 km
Herstmonceux 55.4 km
Heathrow Airport 57.4 km
Northolt 57.6 km
Brighton City Airport 62.8 km
London Stansted Airport 68.6 km
Rothamsted Park 71.2 km
Luton Airport 78.1 km
London Southend Airport 79.7 km
Andrewsfield Aerodrome 81.0 km
Farnborough 89.1 km
Shoeburyness 92.8 km
Cambridge 101.6 km
High Wycombe 102.1 km
Woburn 106.5 km
Lydd Airport 107.9 km
RAF Odiham 109.1 km
Cranfield Airport 112.4 km
Bedford 117.1 km
Thorney Island 119.3 km
Mildenhall Royal Air Force 128.5 km
Benson 131.0 km
Lakenheath 137.8 km
Wattisham Airport 137.8 km
Manston 146.7 km
Langdon Bay 147.7 km
Wittering 156.0 km
Marham 161.6 km
Oxford Airport 162.1 km
Southampton Airport 165.7 km
St. Catherine's Point 168.5 km
Holbeach Air Weapons Range 175.5 km
Middle Wallop 178.9 km
Boulogne-sur-Mer 185.5 km
RAF Brize Norton 186.5 km
Church Lawford 192.3 km
Dieppe 193.0 km
Le Touquet 196.6 km
Le Havre/Octeville 196.7 km
Barkston 197.2 km
MoD Boscombe Down 199.1 km
Coningsby 199.8 km
Sainte-Adresse 200.4 km
Wainfleet All Saints 200.8 km
Cranwell 201.8 km
RAF Little Rissington 202.0 km
Larkhill 204.4 km
Norwich Weather Centre 206.9 km
Fairford Airport 207.4 km
Bournemouth 215.6 km
Deauville-Saint-Gatien 215.7 km
Deauville-Saint-Gatien AP 216.0 km
Waddington 216.6 km
Weybourne 220.0 km
RAF Lyneham 226.6 km
East Midlands Airport 228.1 km
Scampton 231.9 km
Coleshill 232.1 km
Birmingham Airport 234.6 km
Nottingham/Watnall 237.7 km
Abbeville 238.8 km
Caen 241.7 km
Donna Nook 242.5 km
Cherbourg - Maupertus Airport 248.5 km
Pershore 248.8 km
Rouen/Boos 248.8 km
Gloucestershire Airport 253.0 km
Dunkirk 257.5 km
Humberside 257.7 km
Doncaster Airport 268.2 km
Coal Aston Airfield 276.3 km
Cap de la Hague 281.0 km
Evreux/Fauville 286.3 km
Isle of Portland 289.9 km
Leconfield 291.5 km
Koksijde 292.5 km
Cosford 297.5 km
Yeovil 298.7 km
Cosford 300.0 km
Cosford 300.0 km
Thorncliffe 302.8 km
Alderney Channel Is 304.7 km
Bristol / Lulsgate 306.5 km
Beauvais/Tille 308.9 km
Bridlington 312.5 km
Ostend Airport 315.6 km
Alencon/Valframbert 319.2 km
Emley Moor transmitting station 319.4 km
Credenhill 327.2 km
Albert Airport 331.4 km
Méaulte 332.0 km
Cormeilles 332.3 km
Linton-On-Ouse 337.4 km
Jersey Airport 340.0 km
Shobdon 341.4 km