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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.


Stations météo à proximité - Marnitz Distance
Marken 47.8 km
Lephalale 77.8 km
Goedehoop 108.3 km
Selebi-Phikwe Aéroport 115.6 km
Potgietersrus 134.7 km
Polokwane Aéroport 149.3 km
Mara 150.3 km
Polokwane/Pietersburg (Aéroport) 154.0 km
Mahalapye 157.8 km
Warmbaths/Towoomba 172.1 km
Francistown Aéroport 206.3 km
Tzaneen-Grenshoek 214.5 km
Tzaneen 225.2 km
Levubu 230.2 km
Oudestad 234.1 km
Pilanesberg 235.0 km
Thohoyandou 241.3 km
Air Force Base Waterkloof 262.9 km
Waterkloof 263.2 km
Lephephe 264.6 km
Rustenburg 269.6 km
Pretoria/Irene (Aéroport) 271.4 km
Johannesbourg-Lanséria (Aéroport) 275.8 km
Witbank 283.2 km
Gaborone (Aéroport) 291.2 km
Johannesburg/Jan Smuts (Aéroport) 293.2 km
Johannesbourg 295.5 km
Rand (Aéroport) 303.5 km
Punda Maria 314.9 km
Lydenburg 315.5 km
Belfast 319.4 km
Heidelberg 330.4 km
Base aérienne Hoedspruit 334.9 km
Hoedspruit 334.9 km
Phalaborwa 335.8 km
Hoedspruit 336.1 km
Graskop 340.2 km
Carolina Aéroport 353.7 km
Sua-Pan (Aéroport) 364.0 km
Lichtenburg 373.3 km
Potchefstroom Agric 375.8 km
Mbombela Aéroport 376.7 km
Ermelo 380.6 km
Good Hope 386.5 km
Mmabatho Int. (Aéroport) 397.0 km
Klerksdorp 403.6 km
Frankfort Aéroport 404.5 km
Skukuza Aéroport 416.1 km
Masvingo Aéroport 419.7 km
Jwaneng (Aéroport) 420.8 km
Vrede 431.4 km
Piggs Peak Met Stn. 433.9 km
Ottosdal 438.1 km
Mayiwane 450.9 km
Kroonstad 455.1 km
Kroonstad 457.8 km
Nyonyane 459.9 km
Komatipoort 469.1 km
Matsapha (Aéroport) 474.0 km
Nhlangano Aéroport 495.3 km
Moti 495.3 km
Vuvulane 496.6 km
Siteki 522.2 km
Jericho 527.9 km
Bloemhof 532.2 km
Vryheid 533.0 km
Big Bend Met Stn. 544.8 km
Maputo/Mavalane (Aéroport) 552.3 km
Ndzevane 554.6 km
Pongola 557.9 km
Espungabera 568.1 km
Taung 582.7 km
Taung 582.7 km
Makatini 600.6 km
Mbazwana (Aéroport) 640.6 km