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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.


Estaciones meteorológicas cercanas - Postmasburg Distancia
Postmasburg 0.0 km
Kathu 68.7 km
Kuruman 101.4 km
Prieska 141.7 km
Van Zylsrus 187.2 km
Kimberley Aeropuerto 195.1 km
Upington Aeropuerto 200.6 km
Taung 205.3 km
Taung 205.4 km
Tsabong Aeropuerto 244.2 km
Vanwyksvlei 249.8 km
De Aar 258.3 km
Fauresmith 289.7 km
Bloemhof 292.2 km
Cataratas Augrabies 304.3 km
Werda 314.5 km
Twee Riviere 334.0 km
Gariep Dam 353.8 km
Bloemfontein 355.9 km
Noupoort 357.7 km
Brandvlei 362.4 km
Ottosdal 362.5 km
Bloemfontein Aeropuerto 368.2 km
Glen College 369.0 km
Mmabatho aeropuerto 377.2 km
Good Hope 392.5 km
Fraserburg aeropuerto 407.4 km
Lichtenburg 410.7 km
Beaufort West 416.1 km
Pofadder 418.3 km
Jwaneng aeropuerto 419.7 km
Graaff-Reinet 427.0 km
Klerksdorp 432.4 km
Tshane aeropuerto 463.1 km
Wepener 463.6 km
Kroonstad 469.2 km
Kroonstad 470.5 km
Potchefstroom Agric 473.6 km
Cradock 481.3 km
Calvinia aeropuerto 490.2 km
Aliwal North aeropuerto 492.4 km
Sutherland 496.4 km
Sir Seretse Khama aeropuerto 497.5 km
Jamestown 501.6 km
Maseru-Mia 511.6 km
Rustemburgo 536.8 km
Ficksburg 540.2 km
Nieuwoudtville 542.0 km
Ficksburg 542.3 km
Queenstown 555.3 km
Pilanesberg 556.7 km
Queenstown 557.8 km
Barkly East 568.4 km
Lanseria aeropuerto 592.0 km
Fort Beaufort 599.6 km
Elliot 611.9 km
Excelsior Ceres 628.0 km
Döhne 645.8 km
Bhisho 657.1 km