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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 - Lewes Distance
Herstmonceux 33.5 km
Brighton City Airport 33.6 km
Gatwick Airport 38.6 km
Charlwood 41.3 km
Kenley 50.1 km
Biggin Hill 51.7 km
London City Airport 70.6 km
St James's Park 72.9 km
Heathrow Airport 85.8 km
Northolt 89.4 km
Farnborough 98.8 km
Lydd Airport 103.2 km
Thorney Island 104.7 km
London Southend Airport 108.9 km
Rothamsted Park 112.6 km
RAF Odiham 114.8 km
London Stansted Airport 115.7 km
Shoeburyness 118.3 km
Luton Airport 120.1 km
Andrewsfield Aerodrome 124.4 km
High Wycombe 128.6 km
Woburn 145.3 km
Le Havre/Octeville 148.6 km
Cambridge 149.6 km
Benson 149.8 km
St. Catherine's Point 149.9 km
Langdon Bay 151.4 km
Cranfield Airport 151.6 km
Sainte-Adresse 152.2 km
Southampton Airport 157.7 km
Manston 157.9 km
Dieppe 159.2 km
Bedford 160.3 km
Deauville-Saint-Gatien 167.8 km
Deauville-Saint-Gatien AP 168.1 km
Mildenhall Royal Air Force 174.5 km
Wattisham Airport 174.8 km
Boulogne-sur-Mer 176.9 km
Middle Wallop 179.1 km
Le Touquet 182.3 km
Lakenheath 183.1 km
Oxford Airport 183.9 km
Caen 194.5 km
MoD Boscombe Down 199.5 km
Wittering 201.4 km
RAF Brize Norton 203.4 km
Larkhill 205.6 km
Bournemouth 206.2 km
Marham 207.7 km
Rouen/Boos 210.1 km
Cherbourg - Maupertus Airport 213.9 km
Abbeville 218.1 km
RAF Little Rissington 220.1 km
Fairford Airport 220.7 km
Holbeach Air Weapons Range 223.8 km
Church Lawford 223.8 km
RAF Lyneham 234.6 km
Barkston 242.6 km
Evreux/Fauville 245.5 km
Norwich Weather Centre 245.8 km
Coningsby 247.6 km
Cranwell 247.8 km
Wainfleet All Saints 248.9 km
Cap de la Hague 252.0 km
Dunkirk 258.7 km
Coleshill 261.1 km
Weybourne 262.5 km
Birmingham Airport 262.7 km
Waddington 262.8 km
East Midlands Airport 265.0 km
Gloucestershire Airport 267.9 km
Pershore 269.2 km
Alencon/Valframbert 271.0 km
Nottingham/Watnall 276.8 km
Isle of Portland 277.3 km
Alderney Channel Is 278.0 km
Scampton 278.1 km
Beauvais/Tille 280.9 km
Donna Nook 290.7 km
Koksijde 294.5 km
Yeovil 295.4 km
Cormeilles 299.7 km
Humberside 305.2 km
Jersey Airport 307.6 km
Bristol / Lulsgate 309.9 km
Doncaster Airport 311.8 km
Chartres 314.0 km
Albert Airport 314.6 km
Méaulte 315.3 km
Coal Aston Airfield 315.6 km
Ostend Airport 319.4 km
Trappes 322.8 km
Cosford 322.8 km
Cosford 325.2 km
Cosford 325.2 km
Laval Airport 326.7 km
Le Mans/Arnage 327.2 km
Toussus-le-Noble 330.9 km
Creil 331.4 km
Guernsey Airport 332.1 km