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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 - Bristol Airport Distance
Bristol / Lulsgate 0.3 km
Yeovil 43.6 km
Cardiff Airport 69.8 km
Credenhill 78.4 km
St Athan 80.0 km
RAF Lyneham 81.7 km
Dunkeswell Airport 82.3 km
Gloucestershire Airport 83.9 km
Shobdon 98.2 km
Isle of Portland 100.8 km
Liscombe 103.8 km
Larkhill 104.1 km
Exeter Airport 105.1 km
Fairford Airport 108.4 km
MoD Boscombe Down 110.3 km
Pershore 114.3 km
Bournemouth 118.8 km
Sennybridge 125.7 km
RAF Little Rissington 125.7 km
Middle Wallop 130.6 km
RAF Brize Norton 133.4 km
Mumbles 142.5 km
Cosford 147.1 km
Cosford 147.1 km
Cosford 147.1 km
North Wyke 148.5 km
Southampton Airport 156.1 km
Shawbury 157.6 km
Birmingham Airport 161.4 km
RM Chivenor 163.0 km
Oxford Airport 163.5 km
Coleshill 167.9 km
Lake Vyrnwy 173.3 km
Trawscoed 173.8 km
St. Catherine's Point 181.1 km
Benson 182.0 km
Pembrey Burrows 187.4 km
Church Lawford 188.6 km
Plymouth MtBatten 193.6 km
Alderney Channel Is 194.1 km
Bala 194.9 km
RAF Odiham 197.9 km
Hawarden 200.5 km
Cap de la Hague 204.9 km
Thorney Island 209.5 km
Thorncliffe 210.6 km
High Wycombe 216.0 km
Guernsey Airport 217.2 km
Liverpool AP 217.3 km
Farnborough 217.4 km
Aberporth 222.2 km
Rostherne 223.0 km
East Midlands Airport 223.2 km
Manchester 224.0 km
Rhyl 226.4 km
Capel Curig 234.0 km
Cherbourg - Maupertus Airport 237.6 km
Cardinham 238.2 km
Crosby 238.5 km
Nottingham/Watnall 243.3 km
Woburn 245.9 km
Cranfield Airport 246.0 km
Jersey Airport 247.7 km
Heathrow Airport 252.5 km
Northolt 255.4 km
Coal Aston Airfield 257.2 km
Milford Haven 262.1 km
Warton Aerodrome Airport 263.2 km
Bedford 265.3 km
Rothamsted Park 266.7 km
Luton Airport 267.1 km
Blackpool Airport 268.3 km
Aberdaron 273.1 km
Stonyhurst 273.9 km
Emley Moor transmitting station 274.0 km
Newquay Airport 274.4 km
Brighton City Airport 277.7 km
Charlwood 278.1 km
Raf Mona 278.6 km
Gatwick Airport 283.2 km
Wittering 285.9 km
Bingley 286.2 km
St James's Park 288.1 km
Valley 289.7 km
Kenley 292.4 km
Ploumanac'h 295.5 km
Barkston 297.2 km
Leeds Bradford Airport 300.7 km
Doncaster Airport 300.8 km
Lannion Airport 304.4 km
Biggin Hill 306.1 km
Cranwell 307.1 km
London City Airport 308.3 km
Walney 309.6 km
Waddington 315.2 km
Camborne 317.1 km
Saint-Brieuc Armor 317.2 km
RNAS Culdrose 317.5 km
Dinard/Pleurtuit 319.7 km
Scampton 322.0 km