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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 - Haywards Heath Distance
Gatwick Airport 20.7 km
Charlwood 22.3 km
Shoreham Airport 26.4 km
Kenley 35.5 km
Biggin Hill 40.6 km
Herstmonceux 46.8 km
St James's Park 57.9 km
London City Airport 59.9 km
Heathrow Airport 67.1 km
Gravesend Broadness 69.6 km
Northolt 71.1 km
Farnborough 81.4 km
Thorney Island 93.3 km
Rothamsted Park 95.6 km
RAF Odiham 97.7 km
Luton Airport 103.3 km
London Stansted Airport 106.8 km
London Southend Airport 109.6 km
High Wycombe 110.2 km
Lydd Airport 115.5 km
Andrewsfield Aerodrome 118.2 km
Shoeburyness 120.7 km
Woburn 127.8 km
Benson 131.2 km
Cranfield Airport 133.9 km
Cambridge 139.1 km
St. Catherine's Point 140.8 km
Bedford 143.8 km
Southampton Airport 145.0 km
Langdon Bay 162.3 km
Le Havre/Octeville 162.7 km
Middle Wallop 164.3 km
London Oxford Airport 165.5 km
Sainte-Adresse 166.2 km
Mildenhall Royal Air Force 166.2 km
Manston 166.5 km
Wattisham 172.7 km
Lakenheath 176.0 km
Dieppe 177.5 km
Deauville-Saint-Gatien 182.4 km
Deauville-Saint-Gatien AP 183.3 km
MoD Boscombe Down 184.8 km
Wittering 185.0 km
RAF Brize Norton 185.2 km
Larkhill 190.8 km
Boulogne-sur-Mer 191.3 km
Bournemouth 194.2 km
Le Touquet 198.0 km
Marham 199.8 km
RAF Little Rissington 201.8 km
Fairford Airport 203.0 km
Caen 204.1 km
Church Lawford 204.8 km
RAF Holbeach 211.7 km
Cherbourg - Maupertus Airport 212.7 km
MoD Lyneham 218.0 km
Barkston 226.8 km
Rouen/Boos 228.3 km
Cranwell 231.7 km
Coningsby 233.9 km
Abbeville 235.1 km
Wainfleet 237.7 km
Norwich Weather Centre 240.9 km
Coleshill 242.8 km
Birmingham Airport 244.4 km
East Midlands Airport 246.1 km
Waddington 247.4 km
Cap de la Hague 248.0 km
Gloucestershire Airport 250.1 km
Pershore 251.4 km
Weybourne 257.0 km
Nottingham/Watnall 258.8 km
Scampton 262.7 km
Evreux/Fauville 263.5 km
Isle of Portland 266.7 km
Dunkirk 271.0 km
Alderney Channel Is 273.0 km
Donna Nook 277.7 km
Yeovil 282.0 km
Filton 282.7 km
Alencon/Valframbert 284.7 km
Humberside 290.8 km
Doncaster Airport 294.6 km
Bristol / Lulsgate 294.7 km
Coal Aston Airfield 297.3 km
Beauvais/Tille 299.0 km
Cosford 304.6 km
Jersey Airport 305.5 km
Koksijde 306.5 km
Thorncliffe 316.7 km
Cormeilles 318.0 km
Leconfield 323.7 km
Credenhill 324.5 km
Guernsey Airport 327.4 km
Albert Airport 330.6 km
Ostend Airport 331.1 km
Méaulte 331.7 km
Chartres 332.0 km
Laval Airport 336.9 km
Shobdon 339.7 km