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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.


Estações Meteorológicas Próximas - Jarrahwood Distância
Jarrahwood 0.0 km
Bunbury 21.7 km
Donnybrook 21.7 km
Busselton Airport 28.4 km
Pemberton 53.1 km
Bridgetown 54.0 km
Manjimup 59.8 km
Collie 61.9 km
Witchcliffe 62.2 km
Mandurah 62.6 km
Augusta Cape Leeuwin 63.6 km
Dwellingup Forestry 68.9 km
Cape Naturaliste 71.6 km
Garden Island 75.2 km
Serpentine/Karnet 81.0 km
Jandakot Airport 86.3 km
Northcliffe Shannon Calm 86.8 km
Rottnest 87.3 km
Swanbourne 90.3 km
Gosnells 93.3 km
Mount Lawley Perth Metro 94.2 km
Perth Int./Belmont Airport 97.1 km
Gooseberry Hill 100.2 km
Kalamunda Bickley 102.0 km
Pearce 111.2 km
Gingin Airport 115.4 km
Wandering 126.1 km
Walpole 132.0 km
Lancelin 139.1 km
Northam Composite 154.7 km
York 155.5 km
York 155.5 km
Rocky Gully 156.8 km
Beverley 164.0 km
Brookton 166.1 km
Badgingarra Research Station 167.2 km
Pingelly 171.4 km
Narrogin 174.2 km
Jurien Bay 180.0 km
Goomalling 180.2 km
Wongan Hills 185.9 km
Wagin Post Office 187.2 km
Carnamah Post Office 200.9 km
Cunderdin Airfield 205.2 km
Dalwallinu 206.3 km
Katanning 217.2 km
Mount Barker 224.9 km
Morawa Airport 226.8 km
Albany Aeroporto 246.0 km
Kellerberrin 254.6 km
Albany 255.9 km
Corrigin 257.5 km
Bencubbin 286.8 km
Merredin 314.1 km
Ongerup 315.5 km
Lake Grace 315.5 km
Narembeen 318.4 km
Paynes Find 319.9 km
Newdegate Res. Station 356.1 km
Hyden 366.4 km
Jacup 384.1 km
Southern Cross Airport 432.4 km