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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.


Poblíž povětrnostní stanice - Saint-Brieuc Vzdálenost
Lannion Letiště 72.7 km
Ploumanac'h 76.3 km
Dinard/Pleurtuit 87.4 km
Lorient South Brittany (Letiště) 101.8 km
Guernsey (Letiště) 103.9 km
Jersey Letiště 104.9 km
Morlaix/Ploujean 107.9 km
Groix 122.0 km
Rennes- Saint-Jacques (Letiště) 134.6 km
Le Talut 143.7 km
Landivisiau 144.9 km
Alderney Channel Is 150.2 km
Saint-Nazaire 155.9 km
Quimper 159.3 km
Brignogan-Plages 166.0 km
Cap de la Hague 166.5 km
Guipavas 174.6 km
Lanvéoc/Poulmic 179.7 km
Penmarch 187.5 km
Cherbourg - Maupertus (Letiště) 197.5 km
Nantes Atlantique (Letiště) 206.8 km
Saint-Sauveur 211.8 km
Pointe du Raz 216.9 km
Portland 225.0 km
Laval Letiště 241.1 km
Ouessant 245.0 km
Plymouth MtBatten 247.0 km
Exeter Letiště 252.7 km
La Roche-sur-Yon 261.2 km
Dunkeswell (Letiště) 262.3 km
North Wyke 274.3 km
Bournemouth 274.7 km
Angers 275.1 km
Yeovil 275.3 km
Caen 276.8 km
St. Catherine's Point 286.0 km
Liscombe 295.5 km
Cardinham 297.9 km
Angers 302.5 km
Southampton Letiště 308.8 km
Bristol / Lulsgate 317.2 km
MoD Boscombe Down 317.5 km
RM Chivenor 318.1 km
RNAS Culdrose 318.5 km
Larkhill 318.8 km
Newquay (Letiště) 319.2 km
Phare de Chassiron 319.6 km
La Rochelle Letiště 320.4 km
Cardiff Letiště 323.0 km
Middle Wallop 324.2 km
St Athan 325.9 km
Alencon/Valframbert 328.6 km
Camborne 332.2 km
Thorney Island 332.4 km
Sainte-Adresse 342.0 km
RAF Lyneham 343.8 km
Le Havre/Octeville 345.0 km
Le Mans/Arnage 346.0 km
Deauville-Saint-Gatien (Letiště) 348.3 km
Deauville-Saint-Gatien 348.4 km
Mumbles 359.9 km
Niort 367.7 km
RAF Odiham 368.2 km
Fairford (Letiště) 369.6 km
Gloucestershire Letiště 381.3 km
Brighton City (Letiště) 383.6 km
Farnborough 383.9 km
RAF Brize Norton 385.7 km
RAF Little Rissington 391.9 km
Pembrey Burrows 391.9 km
Credenhill 394.7 km
Benson 394.9 km
Sennybridge 401.9 km
Oxford (Letiště) 405.1 km
Charlwood 411.7 km
Poitiers/Biard 412.4 km
Pershore 412.4 km
Shobdon 413.4 km
Scilly St Mary 413.6 km
Letiště London Gatwick 415.8 km
Tours/St Symphorien 416.2 km
High Wycombe 418.2 km
Letiště London Heathrow 422.8 km
Cognac - Châteaubernard Air Base 425.8 km
Milford Haven 428.5 km
Northolt 429.3 km
Kenley 435.1 km
Herstmonceux 439.4 km
Trawscoed 440.8 km
Aberporth 443.2 km
Biggin Hill 447.1 km
St. James's Park 448.2 km
Birmingham Letiště 453.0 km
Evreux/Fauville 455.9 km
Rothamsted Park 457.8 km
Church Lawford 457.9 km
Coleshill 458.2 km
Rouen/Boos 458.8 km
Cosford 460.3 km