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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.


Stations météo à proximité - Horsham Distance
Charlwood 14.2 km
Londres-Gatwick (Aéroport) 18.6 km
Shoreham (Aéroport) 24.4 km
Kenley 37.8 km
Biggin Hill 49.9 km
Londres-Heathrow (Aéroport) 50.0 km
St James's Park 54.7 km
Northolt 55.4 km
Farnborough 56.4 km
Londres-City (Aéroport) 64.6 km
Thorney Island 72.3 km
Herstmonceux 72.7 km
RAF Odiham 73.0 km
Rothamsted Park 84.3 km
High Wycombe 88.7 km
Londres-Luton (Aéroport) 92.0 km
Benson 107.7 km
Londres-Stansted (Aéroport) 111.1 km
Woburn 112.1 km
Cranfield Aéroport 118.6 km
St. Catherine's Point 121.2 km
Southampton Aéroport 121.7 km
Londres-Southend (Aéroport) 126.7 km
Andrewsfield Aerodrome 127.1 km
Bedford 131.2 km
Shoeburyness 139.2 km
Cambridge 139.6 km
Middle Wallop 139.6 km
Lydd (Aéroport) 140.2 km
Aéroport d'Oxford Kidlington 141.9 km
MoD Boscombe Down 160.1 km
RAF Brize Norton 161.1 km
Larkhill 166.0 km
L'armée de l'air royale de Mildenhall 171.2 km
Bournemouth 171.4 km
Wittering 174.6 km
Le Havre/Octeville 174.6 km
Sainte-Adresse 177.7 km
RAF Little Rissington 177.8 km
Fairford Aéroport 178.5 km
Lakenheath 181.1 km
Église Lawford 184.3 km
Wattisham Aéroport 185.5 km
Langdon Bay 185.8 km
Manston 188.5 km
RAF Lyneham 193.2 km
Deauville-Saint-Gatien 195.0 km
Deauville-Saint-Gatien AP 195.2 km
Dieppe 200.8 km
Cherbourg (Aéroport) 201.9 km
Marham 203.4 km
Caen 208.3 km
Holbeach Air Weapons Range 209.2 km
Barkston 215.2 km
Boulogne-sur-Mer 216.3 km
Coleshill 220.4 km
Cranwell 221.5 km
Birmingham Aéroport 221.7 km
Le Touquet-Paris-Plage 223.3 km
Gloucestershire Aéroport 225.7 km
Pershore 226.9 km
Coningsby 227.0 km
Midlands de l'Est Aéroport 228.0 km
Hague 233.3 km
Wainfleet All Saints 236.1 km
Waddington 236.7 km
Nottingham/Watnall 241.3 km
Île de Portland 244.8 km
Rouen/Boos 249.6 km
Scampton 251.8 km
Centre météorologique de Norwich 253.9 km
Alderney Channel Is 256.9 km
Yeovil 258.0 km
Abbeville 260.2 km
Weybourne 265.3 km
Bristol (Aéroport) 270.0 km
Donna Nook 274.9 km
Coal Aston Airfield 279.9 km
Doncaster Aéroport 280.5 km
Cosford 281.0 km
Humberside 282.0 km
Cosford 283.4 km
Cosford 283.4 km
Evreux/Fauville 283.5 km
Jersey Aéroport 292.5 km
Alençon/Valframbert 295.0 km
Dunkerque 295.0 km
Thorncliffe 296.3 km
Credenhill 299.4 km
Guernesey Aéroport 311.4 km
Leconfield 314.7 km
Shobdon 315.4 km
Émetteur d'Emley Moor 322.3 km
Beauvais/Tille 323.2 km
Shawbury 326.1 km
Dunkeswell (Aéroport) 326.1 km
Coxyde 330.6 km
Dinard/Pleurtuit 336.6 km
Manchester 336.8 km
Cardiff Aéroport 339.1 km