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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 - Harwich Distance
Wattisham Airport 42.0 km
Manston 65.3 km
Shoeburyness 66.0 km
London Southend Airport 76.8 km
Norwich Weather Centre 82.7 km
Langdon Bay 89.3 km
Andrewsfield Aerodrome 92.8 km
Lakenheath 96.2 km
Mildenhall Royal Air Force 100.8 km
Marham 112.8 km
Weybourne 114.5 km
Lydd Airport 115.3 km
London Stansted Airport 117.0 km
Cambridge 126.0 km
Boulogne-sur-Mer 138.1 km
London City Airport 145.5 km
Dunkirk 152.7 km
Biggin Hill 154.6 km
Herstmonceux 158.3 km
Le Touquet 162.0 km
St James's Park 164.5 km
Holbeach Air Weapons Range 164.9 km
Kenley 168.3 km
Wainfleet All Saints 171.0 km
Koksijde 179.0 km
Rothamsted Park 183.3 km
Luton Airport 184.0 km
Gatwick Airport 185.1 km
Charlwood 190.0 km
Ostend Airport 194.2 km
Northolt 195.6 km
Bedford 199.2 km
Heathrow Airport 199.5 km
Coningsby 206.0 km
Wittering 208.3 km
Abbeville 209.4 km
Woburn 209.9 km
Cranfield Airport 212.1 km
Donna Nook 212.8 km
Brighton City Airport 213.1 km
Euro Platform 221.8 km
Zeebrugge 223.3 km
Dieppe 223.5 km
P11-b Sea 233.1 km
Cranwell 233.5 km
High Wycombe 233.6 km
Beitem 234.5 km
Barkston 235.9 km
Farnborough 239.4 km
Waddington 242.9 km
Lille Airport 252.6 km
Scampton 254.5 km
K13-A 258.3 km
Humberside 258.4 km
RAF Odiham 259.8 km
Vlissingen 263.4 km
Le Goeree 265.3 km
Benson 267.4 km
Albert Airport 269.1 km
Méaulte 269.5 km
Thorney Island 275.3 km
J6-a Helipad Oil Platform 280.1 km
Rouen/Boos 284.0 km
Gavere 287.7 km
Leconfield 289.1 km
Beauvais/Tille 289.7 km
Oxford Airport 290.0 km
Bridlington 290.2 km
Wilhelminadorp 294.7 km
Church Lawford 294.9 km
Westdorpe 298.4 km
Le Havre/Octeville 298.7 km
K14-fa-1c Sea 300.3 km
Melle 301.2 km
Sainte-Adresse 302.8 km
Nottingham/Watnall 306.4 km
Doncaster Airport 307.1 km
East Midlands Airport 307.4 km
Deauville-Saint-Gatien 311.6 km
Deauville-Saint-Gatien AP 311.8 km
Hook of Holland 313.6 km
Saint-Quentin 317.7 km
RAF Brize Norton 319.1 km
Southampton Airport 320.1 km
Chièvres 321.3 km
D15-fa-1 Sea 323.5 km
St. Catherine's Point 324.5 km
Evreux/Fauville 324.7 km
Cormeilles 327.9 km
Creil 328.6 km
Middle Wallop 329.0 km
RAF Little Rissington 331.4 km
Coleshill 335.9 km
Hoorn-a Sea 337.4 km
Coal Aston Airfield 338.5 km
Birmingham Airport 340.7 km
Fairford Airport 343.3 km
Woensdrecht 343.8 km
Fylingdales 347.1 km
MoD Boscombe Down 348.3 km