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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 - Jersey Distance
Guernsey Airport 50.6 km
Alderney Channel Is 55.6 km
Cap de la Hague 63.1 km
Dinard/Pleurtuit 72.0 km
Cherbourg - Maupertus Airport 94.5 km
Saint-Brieuc Armor 104.9 km
Rennes- Saint-Jacques Airport 137.8 km
Isle of Portland 147.2 km
Ploumanac'h 147.3 km
Lannion Airport 150.2 km
Bournemouth 179.0 km
St. Catherine's Point 182.1 km
Morlaix/Ploujean 192.6 km
Caen 194.8 km
Yeovil 204.1 km
Lorient South Brittany Airport 205.9 km
Southampton Airport 207.4 km
Laval Airport 209.1 km
Saint-Nazaire 211.9 km
Exeter Airport 215.9 km
Dunkeswell Airport 216.4 km
MoD Boscombe Down 222.7 km
Larkhill 225.1 km
Middle Wallop 226.4 km
Groix 226.5 km
Thorney Island 227.7 km
Landivisiau 230.3 km
Nantes Atlantique Airport 239.2 km
Le Talut 241.9 km
Brignogan-Plages 244.8 km
Bristol / Lulsgate 247.7 km
Plymouth MtBatten 248.5 km
Sainte-Adresse 254.3 km
RAF Lyneham 255.4 km
North Wyke 255.9 km
Le Havre/Octeville 256.6 km
Quimper 258.9 km
Liscombe 259.5 km
Guipavas 261.0 km
Angers 261.8 km
Deauville-Saint-Gatien 264.0 km
Deauville-Saint-Gatien AP 264.0 km
RAF Odiham 264.9 km
Alencon/Valframbert 270.5 km
Lanvéoc/Poulmic 270.6 km
Cardiff Airport 273.8 km
Fairford Airport 278.1 km
Brighton City Airport 279.1 km
St Athan 279.5 km
Angers 279.5 km
Farnborough 279.9 km
Saint-Sauveur 280.3 km
Penmarch 288.0 km
RAF Brize Norton 291.2 km
Benson 294.2 km
La Roche-sur-Yon 294.4 km
Gloucestershire Airport 297.7 km
RAF Little Rissington 299.5 km
RM Chivenor 300.3 km
Le Mans/Arnage 303.0 km
Charlwood 306.8 km
Oxford Airport 307.6 km
Cardinham 309.5 km
Gatwick Airport 311.0 km
Pointe du Raz 311.2 km
High Wycombe 315.6 km
Heathrow Airport 318.3 km
Northolt 324.8 km
Credenhill 325.7 km
Pershore 326.8 km
Ushant 327.5 km
Mumbles 328.1 km
Kenley 330.2 km
Herstmonceux 336.4 km
Newquay Airport 339.6 km
Biggin Hill 342.2 km
St James's Park 343.3 km
Shobdon 345.9 km
Rothamsted Park 353.7 km
RNAS Culdrose 353.7 km
Sennybridge 353.9 km
La Rochelle Airport 356.2 km
London City Airport 356.8 km
Woburn 358.9 km
Luton Airport 359.3 km
Church Lawford 362.7 km
Cranfield Airport 363.4 km
Phare de Chassiron 363.4 km
Birmingham Airport 363.5 km
Camborne 364.3 km
Pembrey Burrows 367.9 km
Coleshill 368.0 km
Dieppe 375.9 km
Rouen/Boos 377.1 km
Niort 379.9 km
Cosford 380.2 km
Tours/St Symphorien 380.9 km
Cosford 381.0 km
Cosford 381.0 km