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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 - Petersfield Distance
Thorney Island 20.7 km
RAF Odiham 26.7 km
Farnborough 36.6 km
Southampton Airport 53.1 km
St. Catherine's Point 61.8 km
Benson 71.4 km
Middle Wallop 72.5 km
Brighton City Airport 74.7 km
Heathrow Airport 75.7 km
High Wycombe 77.5 km
Charlwood 79.9 km
Northolt 82.0 km
Gatwick Airport 85.1 km
MoD Boscombe Down 92.8 km
Larkhill 99.0 km
Kenley 99.6 km
Oxford Airport 102.6 km
Bournemouth 103.1 km
St James's Park 105.5 km
Rothamsted Park 110.2 km
RAF Brize Norton 110.8 km
Biggin Hill 113.6 km
Luton Airport 115.9 km
Woburn 119.1 km
Fairford Airport 121.9 km
London City Airport 122.8 km
Cranfield Airport 124.4 km
RAF Little Rissington 127.7 km
RAF Lyneham 130.5 km
Herstmonceux 139.6 km
Bedford 144.4 km
Church Lawford 157.6 km
Cherbourg - Maupertus Airport 161.7 km
London Stansted Airport 162.9 km
Gloucestershire Airport 168.9 km
Pershore 177.1 km
Isle of Portland 177.2 km
Cap de la Hague 181.1 km
Cambridge 182.5 km
Andrewsfield Aerodrome 183.5 km
Birmingham Airport 184.3 km
Coleshill 185.0 km
Wittering 186.9 km
Yeovil 189.2 km
London Southend Airport 192.2 km
Le Havre/Octeville 198.7 km
Sainte-Adresse 200.7 km
Alderney Channel Is 200.7 km
Bristol / Lulsgate 203.3 km
Shoeburyness 205.5 km
East Midlands Airport 208.5 km
Lydd Airport 208.5 km
Caen 209.2 km
Mildenhall Royal Air Force 219.0 km
Deauville-Saint-Gatien 219.2 km
Deauville-Saint-Gatien AP 219.4 km
Barkston 222.7 km
Nottingham/Watnall 226.0 km
Lakenheath 229.7 km
Cranwell 231.1 km
Cosford 235.8 km
Cosford 238.0 km
Cosford 238.0 km
Credenhill 240.2 km
Holbeach Air Weapons Range 240.3 km
Jersey Airport 243.4 km
Wattisham Airport 244.8 km
Waddington 245.6 km
Coningsby 247.1 km
Marham 248.2 km
Guernsey Airport 254.6 km
Langdon Bay 254.6 km
Dieppe 255.6 km
Manston 257.1 km
Dunkeswell Airport 257.3 km
Shobdon 257.8 km
Scampton 259.5 km
Coal Aston Airfield 262.4 km
Thorncliffe 264.0 km
Wainfleet All Saints 268.3 km
Cardiff Airport 271.9 km
Doncaster Airport 275.6 km
Exeter Airport 276.8 km
Shawbury 278.1 km
St Athan 282.1 km
Boulogne-sur-Mer 283.6 km
Le Touquet 288.9 km
Humberside 294.8 km
Rouen/Boos 296.5 km
Liscombe 297.0 km
Dinard/Pleurtuit 297.0 km
Donna Nook 300.8 km
Manchester 301.6 km
Emley Moor transmitting station 301.9 km
Alencon/Valframbert 308.0 km
Rostherne 308.2 km
Norwich Weather Centre 309.3 km
Weybourne 315.4 km
Sennybridge 321.4 km
Abbeville 322.7 km