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United Kingdom

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 - Guildford Distance
Wisley 11.6 km
Farnborough 15.0 km
RAF Odiham 25.6 km
Charlwood 26.9 km
London Heathrow Airport 27.2 km
Gatwick Airport 28.4 km
Kenley 34.5 km
Northolt 35.0 km
Biggin Hill 41.8 km
St. James's Park 43.2 km
Shoreham Airport 48.7 km
London City Airport 52.2 km
High Wycombe 52.6 km
Thorney Island 54.1 km
Benson 55.8 km
Rothamsted Park 64.8 km
Gravesend Broadness 65.0 km
Southampton Airport 69.2 km
Middle Wallop 70.5 km
East Malling and Larkfield 71.1 km
Luton Airport 71.8 km
Herstmonceux 72.2 km
MoD Boscombe Down 83.0 km
London Oxford Airport 84.6 km
Larkhill 86.2 km
Writtle 87.0 km
Woburn 87.2 km
St. Catherine's Point 88.8 km
RAF Brize Norton 90.2 km
London Stansted Airport 91.1 km
Cranfield Airport 92.8 km
London Southend Airport 95.6 km
Fairford Airport 97.4 km
Andrewsfield Aerodrome 101.0 km
Bournemouth 102.0 km
Shoeburyness 102.5 km
MoD Lyneham 103.0 km
RAF Little Rissington 103.5 km
Bedford 109.6 km
Lydd Airport 109.7 km
Moulton Park 116.8 km
Cambridge 119.4 km
Swanage 120.1 km
Girton 120.4 km
Gloucestershire Airport 131.5 km
Monks Wood 132.0 km
Church Lawford 134.6 km
Barrow 137.6 km
Coventry Airport 141.1 km
Wattisham 143.8 km
Pershore 143.8 km
Mildenhall Royal Air Force 145.4 km
Wittering 152.3 km
Lakenheath 153.1 km
Birmingham Airport 157.4 km
Coleshill 158.9 km
Santon Downham 159.8 km
Barfleur 177.7 km
Sutton Bonington 182.3 km
East Midlands Airport 185.6 km
RAF Holbeach 188.0 km
Barkston 192.9 km
Cranwell 198.5 km