World

Africa



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.


Nearby Weather Stations - Rietbron Distance
Willowmore 55.3 km
Beaufort West 87.4 km
Knysna 118.0 km
Plettenberg Bay 123.7 km
Joubertina 124.3 km
Prince Albert 129.5 km
Tsitsikamma National Park 142.7 km
George Airport 142.9 km
Graaff-Reinet 171.4 km
Mossel Bay Airport 172.6 km
Patensie 205.4 km
Fraserburg Airport 208.1 km
Ladismith 217.6 km
St Francis Bay 229.3 km
Riversdale 244.1 km
Stilbaai 248.0 km
De Aar 248.3 km
Laingsburg 256.1 km
Noupoort 265.7 km
Uitenhage 266.8 km
Sutherland 281.5 km
Cradock 284.5 km
Somerset East 286.4 km
Addo Elephant National Park 294.4 km
Port of Ngqura 295.0 km
Gqeberha Airport 295.7 km
Vanwyksvlei 301.4 km
Prieska 334.7 km
Gariep Dam 357.8 km
Robertson 373.6 km
Makhanda 374.9 km
Riviersonderend 384.0 km
Fort Beaufort 387.9 km
Brandvlei 389.0 km
Struisbaai 395.6 km
Fauresmith 399.1 km
Cape Agulhas 402.1 km
Calvinia Airport 404.8 km
Excelsior Ceres 414.1 km
Worcester 416.7 km
Worcester 416.7 km
Port Alfred Airport 420.6 km
Queenstown 425.9 km
Queenstown 427.3 km
Jamestown 444.4 km
Kimberley Airport 454.2 km
Bhisho 460.1 km
Vyeboom 461.0 km
Hermanus 465.9 km
Aliwal North Airport 466.4 km
Postmasburg 467.6 km
Nieuwoudtville 480.0 km
Döhne 482.1 km
Upington Airport 507.4 km
Bloemfontein 510.3 km
Bloemfontein Airport 520.1 km
King Phalo Airport 521.5 km
Barkly East 533.4 km
Glen College 533.8 km
Wepener 537.3 km
Augrabies Falls 543.0 km
Elliot 546.3 km
Pofadder 573.1 km
Maseru-Mia 600.2 km
Ficksburg 669.1 km
Ficksburg 669.6 km