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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 - Cataratas Augrabies Distancia
Cataratas Augrabies 1.3 km
Upington Aeropuerto 105.6 km
Pofadder 119.6 km
Brandvlei 195.5 km
Porterville 211.5 km
Twee Riviere 224.7 km
Vanwyksvlei 245.6 km
Van Zylsrus 261.3 km
Prieska 289.1 km
Springbok Aeropuerto 293.2 km
Vioolsdrif 304.5 km
Postmasburg 305.5 km
Calvinia aeropuerto 306.3 km
Kathu 312.2 km
Nieuwoudtville 319.2 km
Keetmanshoop Aeropuerto 328.7 km
Tsabong Aeropuerto 354.1 km
Kuruman 367.0 km
Fraserburg aeropuerto 369.1 km
Koingnaas 379.1 km
Vredendal aeropuerto 381.2 km
Port Nolloth 391.6 km
Sutherland 396.2 km
Clanwilliam 408.1 km
Alexander Bay 423.0 km
Lambert's Bay 423.8 km
De Aar 459.6 km
Beaufort West 460.3 km
Excelsior Ceres 467.6 km
Werda 473.4 km
Kimberley Aeropuerto 493.9 km
Región de Hardap 504.2 km
Taung 505.2 km
Taung 505.2 km
Tshane aeropuerto 506.3 km
Langebaanweg aeropuerto 518.4 km
Cape Columbine 524.1 km
Noupoort 578.4 km
Graaff-Reinet 597.9 km
Jwaneng aeropuerto 633.9 km