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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 - Grays Distance
Londres-City (Aéroport) 29.9 km
Biggin Hill 35.1 km
Londres-Southend (Aéroport) 43.8 km
Londres-Stansted (Aéroport) 47.3 km
Kenley 48.9 km
St James's Park 50.0 km
Andrewsfield Aerodrome 50.1 km
Shoeburyness 57.6 km
Herstmonceux 64.1 km
Londres-Gatwick (Aéroport) 65.9 km
Charlwood 70.7 km
Cambridge 83.0 km
Northolt 83.2 km
Rothamsted Park 84.1 km
Londres-Heathrow (Aéroport) 85.4 km
Londres-Luton (Aéroport) 88.8 km
Lydd (Aéroport) 89.6 km
Shoreham (Aéroport) 97.1 km
L'armée de l'air royale de Mildenhall 101.4 km
Wattisham Aéroport 102.2 km
Lakenheath 109.4 km
Manston 115.8 km
Woburn 119.0 km
Langdon Bay 120.9 km
Bedford 122.1 km
Farnborough 122.3 km
Cranfield Aéroport 123.8 km
High Wycombe 126.6 km
Marham 134.6 km
RAF Odiham 142.7 km
Wittering 154.1 km
Thorney Island 155.9 km
Holbeach Air Weapons Range 157.8 km
Benson 158.5 km
Boulogne-sur-Mer 164.5 km
Centre météorologique de Norwich 172.3 km
Le Touquet-Paris-Plage 179.2 km
Wainfleet All Saints 180.6 km
Aéroport d'Oxford Kidlington 186.8 km
Weybourne 187.8 km
Coningsby 187.8 km
Dieppe 191.7 km
Barkston 193.8 km
Cranwell 196.6 km
Southampton Aéroport 201.2 km
St. Catherine's Point 205.1 km
Église Lawford 208.6 km
Waddington 210.8 km
Middle Wallop 212.6 km
RAF Brize Norton 213.4 km
Le Havre/Octeville 216.8 km
Sainte-Adresse 220.7 km
Donna Nook 224.3 km
Abbeville 224.8 km
Scampton 225.7 km
RAF Little Rissington 227.9 km
Dunkerque 229.2 km
MoD Boscombe Down 232.5 km
Deauville-Saint-Gatien 234.4 km
Deauville-Saint-Gatien AP 234.6 km
Fairford Aéroport 235.7 km
Larkhill 237.5 km
Midlands de l'Est Aéroport 237.9 km
Nottingham/Watnall 244.6 km
Humberside 247.0 km
Coleshill 249.7 km
Bournemouth 251.1 km
Rouen/Boos 251.2 km
Birmingham Aéroport 253.1 km
RAF Lyneham 257.1 km
Coxyde 263.4 km
Doncaster Aéroport 267.6 km
Caen 268.1 km
Pershore 272.4 km
Gloucestershire Aéroport 279.8 km
Leconfield 281.0 km
Coal Aston Airfield 282.3 km
Cherbourg (Aéroport) 283.7 km
Ostende Aéroport 285.4 km
Evreux/Fauville 290.5 km
Bridlington 298.0 km
Beauvais/Tille 299.5 km
Albert Aéroport 313.0 km
Méaulte 313.5 km
Thorncliffe 315.6 km
Cosford 317.2 km
Hague 317.3 km
Beitem 318.5 km
Cosford 319.8 km
Cosford 319.8 km
Zeebruges 321.4 km
Émetteur d'Emley Moor 325.2 km
Lille-Lesquin (Aéroport) 325.2 km
Île de Portland 325.6 km
Cormeilles 326.9 km
Yeovil 332.5 km
Euro Platform 334.6 km
Linton-Sur-Ouse 335.9 km
Bristol (Aéroport) 338.1 km
Alençon/Valframbert 338.5 km