Wereld

Afrika



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.


Weerstations in de buurt - Stella Afstand
Taung 101.6 km
Taung 101.7 km
Mmabatho Int. Vliegveld 107.1 km
Good Hope 126.6 km
Ottosdal 130.8 km
Bloemhof 138.7 km
Lichtenburg 150.6 km
Kuruman 181.7 km
Jwaneng Airport 198.4 km
Klerksdorp 208.6 km
Werda 222.3 km
Kimberley Luchthaven 227.6 km
Sir Seretse Khama Intl. Airport 232.6 km
Kathu 236.8 km
Potchefstroom Agric 245.6 km
Postmasburg 270.3 km
Tshabong Luchthaven 273.8 km
Rustenburg 278.4 km
Kroonstad 284.9 km
Kroonstad 287.9 km
Glen College 291.0 km
Pilanesberg 292.1 km
Bloemfontein 296.6 km
Bloemfontein Luchthaven 301.7 km
Van Zylsrus 315.4 km
Fauresmith 328.1 km
Lephephe 338.5 km
Lanseria Intl. Airport 346.0 km
Johannesburg 351.1 km
Rand Airport 366.9 km
Pretoria/Irene Vliegveld 378.2 km
Johannesburg/Jan Smuts Vliegveld 378.4 km
Waterkloof 379.7 km
Air Force Base Waterkloof 380.4 km
Heidelberg 389.6 km
Prieska 396.4 km
Wepener 399.6 km
Ficksburg 406.3 km
Gariepdam 408.0 km
Mahalapye 408.6 km
Ficksburg 408.8 km
Frankfort Airport 410.7 km
Maseru-Mia 416.0 km
Warmbaths/Towoomba 419.4 km
Tshane Luchthaven 421.0 km
Bethlehem Airport 421.4 km
Goedehoop 421.4 km
Lephalale 425.8 km
De Aar 426.6 km
Upington Luchthaven 444.0 km
Twee Riviere 473.2 km
Aliwal-Noord Luchthaven 481.2 km
Marken 489.3 km
Royal Natal Nat. Park 501.4 km
Van Wyksvlei 515.8 km
Barkly-Oos 533.0 km
Augrabies Falls 545.8 km
Selebi-Phikwe Luchthaven 556.2 km
Brandvlei 632.3 km