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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.


Stations météo à proximité - Base Williamtown Distance
Williamtown (Aéroport) 1.2 km
Williamtown 1.6 km
Newcastle Nobbys 13.8 km
Newcastle Universit 18.7 km
Paterson Tocal AWS 31.5 km
Nelson Bay 37.3 km
Cooranbong 50.9 km
Cessnock Aéroport 55.7 km
Norah Head Aws 56.6 km
Lostock Dam Site 61.4 km
Gosford 82.7 km
Mangrove Mountain 84.3 km
Forster 94.8 km
Terrey Hills 111.7 km
Taree Aéroport 116.8 km
Sydney 126.5 km
Scone Aéroport 133.3 km
Parramatta 134.7 km
Homebush (Olympic Stadium) 134.8 km
Sydney Int. (Aéroport) 134.8 km
Canterbury Park Racecourse 135.2 km
Richmond RAAF 141.5 km
Base aérienne de Richmond 141.8 km
Yarras/Mount Seaview 145.3 km
Bankstown (Aéroport) 145.7 km
Murrurundi Post Office 149.2 km
Horsley Equestrian 151.1 km
Munureundi Gap Aws 154.1 km
Penrith 158.6 km
Badgery's Creek (Aéroport) 163.9 km
Springwood 165.6 km
Campbelltown 171.7 km
Port Macquarie Aéroport 174.7 km
Camden Aéroport 176.8 km
Nullo Mountains 178.2 km
Quirindi 178.8 km
Bellambi Aws 184.8 km
Woolbrook 185.8 km
Mount Boyce 192.4 km
Merriwa 193.7 km
Kempsey Aéroport 198.5 km
Tamworth Aéroport 199.0 km
Lithgow 201.1 km
Tamworth Aéroport 201.3 km
Aéroport régional d'Illawarra 209.7 km
Kiama 212.3 km
Armidale Aéroport 221.9 km
Armidale Aéroport 222.3 km
South West Rocks/Smoky Cape 230.9 km
Moss Vale 237.3 km
Oberon 237.6 km
Gunnedah Resource Centre 244.2 km
Mudgee Aéroport 247.9 km
Bathurst Aéroport 250.7 km
Gunnedah Aéroport 252.2 km
Guyra Hospital 252.3 km
Baie de Jervis 253.0 km
Nowra-Bomaderry Aéroport 255.8 km
Dorrigo 259.1 km
Gulgong Post Office 259.2 km
Bathurst 260.1 km
Taralga Post Office 274.0 km
Coffs Harbour 282.3 km
Dunedoo 282.7 km
Ulladulla 291.9 km
Nerriga 298.8 km
Glen Innes 303.2 km
Inverell Research Centre 304.1 km
Glen Innes (Aéroport) 304.4 km
Goulburn 304.5 km
Inverell 304.5 km
Goulburn Aéroport 305.7 km
Orange Aéroport 306.8 km
Orange 310.6 km
Coonabarabran Aéroport 319.1 km
Coonabarabran 320.7 km
Wellington 321.6 km
Clarence Valley Regional (Aéroport) 326.9 km
Narrabri Aéroport 328.4 km
Grafton Research Stn 336.9 km
Pindari Dam 338.5 km
Batemans Bay 340.9 km
Braidwood Racecourse 344.1 km
Moruya Aéroport 357.0 km
Moruya Heads Pilot St. 358.0 km
Dubbo Aéroport 366.9 km
Tenterfield Fed. Park 367.2 km
Dubbo Aéroport 367.7 km
Cowra Aéroport 368.9 km
Yamba Pilot Station 371.6 km
Canberra (Aéroport) 381.3 km
Narooma RVCP 384.0 km
Moree 390.4 km
Texas 391.9 km
Evans Head Raaf Bombing Range 396.3 km
Tuggeranong Isabella Plains 397.0 km
Parkes Aéroport 402.2 km
Tabulam 402.4 km
Stanthorpe 406.0 km
Peak Hill Post Office 406.4 km