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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 - Strand Distância
Strand 0.0 km
Aeroporto Internacional da Cidade do Cabo 33.9 km
Vyeboom 35.0 km
Cape Point 44.3 km
Air Force Base Ysterplaat 47.0 km
Paarl 47.4 km
Hermanus 50.5 km
Baía da Mesa 53.4 km
Molteno Reservior 53.8 km
Slangkop 59.4 km
Ilha Robben 65.3 km
Malmesbury 73.5 km
Worcester 88.6 km
Worcester 88.6 km
Riviersonderend 117.1 km
Robertson 122.5 km
Geelbek 129.3 km
Excelsior Ceres 140.6 km
Langebaan 145.9 km
Langebaanweg Airport 146.3 km
Cabo das Agulhas 148.4 km
Struisbaai 151.7 km
Cape Columbine 178.2 km
Clanwilliam 207.9 km
Lambert's Bay 230.6 km
Laingsburg 245.5 km
Vredendal Airport 264.8 km
Riversdale 267.3 km
Sutherland 274.1 km
Ladismith 278.4 km
Stilbaai 282.9 km
Nieuwoudtville 296.6 km
Calvinia Airport 299.8 km
Prince Albert 366.6 km
Mossel Bay Aeroporto 367.4 km
Fraserburg Airport 377.6 km
George Airport 393.6 km
Brandvlei 426.8 km
Porterville 435.9 km
Beaufort West 452.5 km
Koingnaas 452.9 km
Vanwyksvlei 516.1 km