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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 - Cirencester Distance
Fairford Airport 13.2 km
MoD Lyneham 22.3 km
Gloucestershire Airport 24.0 km
RAF Little Rissington 25.7 km
RAF Brize Norton 28.2 km
London Oxford Airport 47.3 km
Filton 47.3 km
Pershore 50.3 km
Larkhill 56.8 km
MoD Boscombe Down 61.2 km
Benson 61.8 km
Bristol / Lulsgate 62.8 km
Middle Wallop 67.2 km
Credenhill 71.5 km
High Wycombe 80.7 km
Coventry Airport 81.3 km
Winterbourne Botanic Garden 83.5 km
Birmingham Airport 85.0 km
Church Lawford 85.0 km
Shobdon 87.0 km
RAF Odiham 88.6 km
Coleshill 89.3 km
Yeovil 90.7 km
Farnborough 95.4 km
Southampton Airport 97.4 km
Moulton Park 98.4 km
Woburn 100.5 km
Cardiff Airport 101.1 km
Cranfield Airport 101.5 km
Bournemouth 102.4 km
Cosford 106.1 km
St Athan 107.1 km
London Heathrow Airport 108.3 km
Northolt 108.9 km
Luton Airport 112.0 km
Rothamsted Park 112.2 km
Wisley 112.5 km
Bedford 117.1 km
Sennybridge 120.7 km
Swanage 122.4 km
Thorney Island 124.1 km
Dunkeswell Airport 129.4 km
Shawbury 131.4 km
St. Catherine's Point 132.7 km
Liscombe 132.8 km
East Midlands Airport 133.3 km
Sutton Bonington 133.5 km
Isle of Portland 135.9 km
Wittering 144.2 km
Keele 144.3 km
Exeter Airport 146.9 km
Nottingham/Watnall 152.7 km
Thorncliffe 157.6 km
Hawarden 177.2 km
Manchester 184.9 km
Rostherne 185.6 km
Sheffield 188.5 km