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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 - Dereham Distance
Weybourne 38.2 km
Marham 39.0 km
Norwich Weather Centre 42.8 km
Lakenheath 47.9 km
Mildenhall Royal Air Force 59.1 km
Wattisham Airport 60.9 km
Wainfleet 85.9 km
RAF Holbeach 89.8 km
Cambridge 96.8 km
Andrewsfield Aerodrome 100.7 km
London Stansted Airport 115.7 km
Shoeburyness 124.4 km
London Southend Airport 124.7 km
Coningsby 129.2 km
Donna Nook 129.7 km
Gravesend Broadness 150.6 km
Wittering 153.0 km
Manston 154.3 km
London City Airport 161.8 km
Cranwell 162.9 km
Bedford 163.7 km
Luton Airport 168.2 km
Barkston 168.5 km
Waddington 169.0 km
Rothamsted Park 171.1 km
St James's Park 173.9 km
Humberside 174.1 km
Langdon Bay 177.3 km
Scampton 177.8 km
Biggin Hill 179.2 km
Cranfield Airport 183.2 km
Woburn 183.7 km
Kenley 188.6 km
Lydd Airport 190.7 km
Northolt 195.3 km
Bridlington 200.0 km
Leconfield 201.8 km
Heathrow Airport 201.9 km
Gatwick Airport 208.6 km
Herstmonceux 209.2 km
Charlwood 212.2 km
High Wycombe 220.2 km
Boulogne-sur-Mer 228.2 km
Doncaster Airport 231.7 km
Dunkirk 239.2 km
Farnborough 242.5 km
Shoreham Airport 243.9 km
Nottingham/Watnall 244.2 km
East Midlands Airport 250.0 km
Le Touquet 251.6 km
Church Lawford 252.0 km
Benson 252.2 km
Fylingdales 258.6 km
J6-a Helipad Oil Platform 259.3 km
RAF Odiham 260.9 km
Koksijde 261.1 km
K13-A 263.2 km
London Oxford Airport 265.5 km
Coal Aston Airfield 270.1 km
P11-b Sea 271.4 km
Ostend Airport 271.6 km
Euro Platform 272.7 km
Linton-On-Ouse 285.6 km
Loftus Samos 288.7 km
Coleshill 290.1 km
D15-fa-1 Sea 290.5 km
Thorney Island 290.8 km
Zeebrugge 293.9 km
RAF Brize Norton 295.2 km
Birmingham Airport 296.0 km
Abbeville 299.8 km
RAF Little Rissington 303.8 km
Dieppe 304.9 km
Emley Moor transmitting station 306.0 km
Topcliffe 307.7 km
K14-fa-1c Sea 308.6 km
Beitem 314.1 km
Leeds Bradford Intl. Airport 315.4 km
Le Goeree 316.8 km
Fairford Airport 320.6 km
Middle Wallop 323.9 km
Southampton Airport 324.3 km
Thorncliffe 325.9 km
Leeming 327.8 km
Vlissingen 327.9 km
Durham Tees Valley Airport 331.4 km
Pershore 333.4 km
Bingley 334.8 km
Lille Airport 336.3 km
St. Catherine's Point 338.6 km
MoD Boscombe Down 340.6 km
Larkhill 343.7 km
MoD Lyneham 348.5 km
Gloucestershire Airport 352.9 km
Wilhelminadorp 355.2 km
Cosford 356.2 km
Albert Airport 359.3 km
Méaulte 359.9 km
Le Havre/Octeville 360.9 km
Hoorn-a Sea 361.0 km