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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 - Municipio Metropolitano de Tshwane Distancia
Air Force Base Waterkloof 1.5 km
Waterkloof 1.6 km
Pretoria/Irene aeropuerto 9.8 km
Johannesburg/Jan Smuts aeropuerto 31.8 km
Lanseria aeropuerto 34.5 km
Johannesburgo 40.7 km
Rand aeropuerto 42.4 km
Heidelberg 70.6 km
Warmbaths/Towoomba 90.8 km
Witbank 107.6 km
Rustemburgo 110.7 km
Pilanesberg 124.5 km
Oudestad 138.8 km
Frankfort aeropuerto 145.5 km
Potchefstroom Agric 156.7 km
Goedehoop 156.8 km
Mokopane 180.5 km
Vrede 190.0 km
Klerksdorp 196.7 km
Belfast 202.7 km
Ermelo 207.6 km
Kroonstad 209.8 km
Kroonstad 211.7 km
Carolina aeropuerto 212.9 km
Lephalale 217.5 km
Marken 218.1 km
Lichtenburg 230.3 km
Polokwane Aeropuerto 235.1 km
Polokwane aeropuerto 236.8 km
Bethlehem aeropuerto 238.9 km
Lydenburg 260.7 km
Ottosdal 264.2 km
Van Reenen 280.6 km
Sir Seretse Khama aeropuerto 285.2 km
Tzaneen-Grenshoek 286.6 km
Tzaneen 288.9 km
Royal Natal Nat. Park 291.9 km
Ficksburg 296.8 km
Ficksburg 298.2 km
Mmabatho aeropuerto 298.7 km
Mara 300.2 km
Mbombela Aeropuerto 301.8 km
Graskop 305.4 km
Mahalapye 312.6 km
Good Hope 313.8 km
Ladysmith 318.5 km
Piggs Peak Met Stn. 338.1 km
Bloemhof 341.9 km
Nhlangano Aeropuerto 342.4 km
Hoedspruit 343.5 km
Air Force Base Hoedspruit 343.5 km
Vryheid 344.9 km
Hoedspruit 345.8 km
Matsapha aeropuerto 350.1 km
Levubu 351.3 km
Lephephe 358.7 km
Thohoyandou 359.8 km
Estcourt 361.1 km
Nyonyane 361.1 km
Maseru-Mia 365.1 km
Mayiwane 365.6 km
Giant's Castle 366.2 km
Moti 367.3 km
Selebi-Phikwe Aeropuerto 371.8 km
Phalaborwa 374.2 km
Glen College 374.2 km
Jericho 381.5 km
Mooi River 385.1 km
Skukuza aeropuerto 385.1 km
Bloemfontein Aeropuerto 388.7 km
Bloemfontein 397.5 km
Pongola 407.0 km
Shaleburn 407.4 km
Wepener 408.1 km
Vuvulane 409.2 km
Komatipoort 411.0 km
Greytown 413.2 km
Jwaneng aeropuerto 413.4 km
Babanango 415.1 km
Siteki 419.8 km
Taung 421.0 km
Taung 421.1 km
Big Bend Met Stn. 423.9 km
Cedara 428.0 km
Ndzevane 430.4 km
Ulundi 432.1 km
Punda Maria 434.3 km
Pietermaritzburgo 443.0 km
Pietermaritzburgo Aeropuerto 444.4 km
Francistown Aeropuerto 459.7 km
Makatini 466.6 km
Mandeni 478.7 km
Maputo/Mavalane aeropuerto 484.3 km
Kimberley Aeropuerto 485.6 km
Rey Shaka aeropuerto 489.0 km
Mount Edgecombe 490.5 km
Mtunzini 491.5 km
Virginia aeropuerto 496.3 km
Fauresmith 508.2 km
Mbazwana aeropuerto 513.1 km