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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 - Ventersdorp Distancia
Potchefstroom Agric 49.8 km
Klerksdorp 56.2 km
Lichtenburg 74.6 km
Rustemburgo 80.8 km
Ottosdal 102.1 km
Pilanesberg 114.8 km
Lanseria aeropuerto 129.0 km
Johannesburgo 132.8 km
Kroonstad 138.6 km
Kroonstad 142.3 km
Rand aeropuerto 148.7 km
Mmabatho aeropuerto 152.5 km
Johannesburg/Jan Smuts aeropuerto 160.1 km
Pretoria/Irene aeropuerto 160.8 km
Waterkloof 163.0 km
Air Force Base Waterkloof 163.7 km
Heidelberg 173.7 km
Good Hope 178.3 km
Bloemhof 188.6 km
Sir Seretse Khama aeropuerto 202.7 km
Frankfort aeropuerto 209.5 km
Warmbaths/Towoomba 219.2 km
Goedehoop 246.4 km
Bethlehem aeropuerto 254.7 km
Taung 259.5 km
Taung 259.5 km
Glen College 267.6 km
Witbank 267.7 km
Ficksburg 275.0 km
Ficksburg 277.3 km
Lephalale 278.5 km
Bloemfontein Aeropuerto 283.0 km
Vrede 283.7 km
Bloemfontein 287.7 km
Jwaneng aeropuerto 294.8 km
Oudestad 301.5 km
Lephephe 313.7 km
Marken 319.7 km
Mokopane 320.0 km
Maseru-Mia 320.8 km
Mahalapye 321.2 km
Royal Natal Nat. Park 332.6 km
Kimberley Aeropuerto 337.7 km
Wepener 340.0 km
Van Reenen 349.5 km
Ermelo 353.0 km
Belfast 363.4 km
Carolina aeropuerto 368.2 km
Polokwane Aeropuerto 378.4 km
Polokwane aeropuerto 381.2 km
Fauresmith 383.2 km
Kuruman 391.6 km
Ladysmith 395.6 km
Werda 410.9 km
Giant's Castle 417.3 km
Lydenburg 424.1 km
Estcourt 430.8 km
Selebi-Phikwe Aeropuerto 435.9 km
Mara 436.1 km
Tzaneen-Grenshoek 439.5 km
Shaleburn 442.5 km
Tzaneen 443.5 km
Gariep Dam 444.8 km
Aliwal North aeropuerto 445.3 km
Kathu 446.2 km
Mooi River 453.6 km
Mbombela Aeropuerto 463.0 km
Postmasburg 464.4 km
Barkly East 465.3 km
Vryheid 465.9 km
Graskop 468.8 km
Tsabong Aeropuerto 486.8 km
Cedara 497.8 km
Levubu 498.8 km
Greytown 500.3 km
Kokstad 501.3 km
Thohoyandou 508.4 km
Pietermaritzburgo 513.9 km
Pietermaritzburgo Aeropuerto 514.9 km
Ixopo 521.2 km
Van Zylsrus 533.7 km
De Aar 536.7 km
Prieska 566.7 km
Paddock 579.1 km
Sezela 585.1 km
Margate 591.2 km