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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.


Estaciones meteorológicas cercanas - Hatfield Distancia
Rothamsted Park 17.0 km
Londres-Luton aeropuerto 21.9 km
St. James's Park 28.9 km
Northolt 33.5 km
Londres-Heathrow aeropuerto 39.8 km
la Ciudad de Londres aeropuerto 40.7 km
Kenley 51.6 km
Woburn 52.0 km
Londres-Stansted aeropuerto 52.2 km
Biggin Hill 54.3 km
Cranfield Aeropuerto 57.2 km
Bedford 59.8 km
High Wycombe 65.4 km
Londres-Gatwick aeropuerto 66.9 km
Cambridge 67.0 km
Charlwood 67.5 km
Andrewsfield Aerodrome 76.0 km
Farnborough 80.3 km
RAF Odiham 99.0 km
Benson 99.2 km
Wittering 99.7 km
Brighton City aeropuerto 102.3 km
Londres-Southend aeropuerto 103.5 km
Mildenhall Royal Air Force 103.7 km
Herstmonceux 112.6 km
Lakenheath 114.5 km
Shoeburyness 118.2 km
Oxford aeropuerto 123.2 km
Thorney Island 130.4 km
Holbeach Air Weapons Range 131.2 km
Marham 132.8 km
Wattisham aeropuerto 137.1 km
Barkston 140.9 km
Church Lawford 141.4 km
Cranwell 146.1 km
Coningsby 148.5 km
RAF Brize Norton 151.6 km
Lydd aeropuerto 156.1 km
Wainfleet All Saints 158.6 km
Waddington 161.2 km
Southampton Aeropuerto 162.2 km
Middle Wallop 164.5 km
RAF Little Rissington 164.8 km
Región de las Tierras Medias Orientales Aeropuerto 172.6 km
Fairford Aeropuerto 175.3 km
Scampton 176.5 km
Punta de St. Catherine 177.2 km
Manston 180.0 km
Nottingham/Watnall 181.1 km
Coleshill 182.5 km
MoD Boscombe Down 182.6 km
Birmingham Aeropuerto 185.9 km
Larkhill 186.6 km
Langdon Bay 187.4 km
Norwich Weather Centre 196.2 km
Donna Nook 196.4 km
Lyneham Airfield 199.6 km
Weybourne 200.1 km
Humberside 204.6 km
Pershore 207.1 km
Bournemouth 209.7 km
Doncaster Aeropuerto 211.1 km
Gloucestershire Aeropuerto 217.0 km
Coal Aston Airfield 219.5 km
Boulogne-sur-Mer 231.7 km
Leconfield 237.8 km
Le Touquet-Paris-Plage 246.0 km
Le Havre/Octeville 249.0 km
Thorncliffe 249.2 km
Dieppe 249.8 km
Cosford 250.2 km
Sainte-Adresse 252.4 km
Cosford 252.7 km
Cosford 252.7 km
Bridlington 261.7 km
Emley Moor transmitting station 262.7 km
Deauville-Saint-Gatien 268.7 km
Deauville-Saint-Gatien aeropuerto 269.0 km
Cherbourg - Maupertus aeropuerto 272.2 km
Linton-On-Ouse 280.2 km
Brístol aeropuerto 281.6 km
Yeovil 281.7 km
Isla de Pórtland 284.0 km
Leeds Bradford aeropuerto 284.5 km
Caen 286.9 km
Credenhill 290.0 km
Abbeville 290.6 km
Mánchester 290.9 km
Bingley 293.9 km
Dunkerque 294.4 km
Fylingdales 295.6 km
Cabo de la Hague 296.2 km
Shawbury 296.7 km
Rostherne 300.3 km
Shobdon 302.0 km
Topcliffe 302.0 km
Rouen/Boos 306.1 km
Alderney Channel Is 316.2 km
Leeming 319.4 km
Loftus Samos 321.3 km