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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.


Nearby Weather Stations - Northam Απόσταση
Pilanesberg 29.7 km
Rustenburg 69.3 km
Goedehoop 115.1 km
Warmbaths/Towoomba 124.4 km
Lanseria International Airport 125.5 km
Lephalale 136.2 km
Waterkloof 141.3 km
Air Force Base Waterkloof 141.6 km
Pretoria/Irene Airport 146.5 km
Γιοχάνεσμπουργκ 147.0 km
Sir Seretse Khama International Airport 150.1 km
Johannesburg/Jan Smuts Airport 163.9 km
Rand Airport 164.5 km
Lichtenburg 165.9 km
Potchefstroom Agric 177.4 km
Marken 185.8 km
Mahalapye 190.9 km
Klerksdorp 198.5 km
Heidelberg 200.5 km
Mmabatho Int. Airport 205.0 km
Good Hope 206.5 km
Mokopane 211.7 km
Lephephe 219.5 km
Ottosdal 228.8 km
Witbank 235.5 km
Oudestad 236.7 km
Kroonstad 265.6 km
Πολοκουάνε Αεροδρόμιο 268.2 km
Kroonstad 268.9 km
Frankfort Airport 269.1 km
Polokwane International Airport 272.0 km
Jwaneng Airport 286.0 km
Σελέμπι-Φίκουε Αεροδρόμιο 293.5 km
Mara 315.4 km
Belfast 321.9 km
Bloemhof 322.8 km
Vrede 326.3 km
Tzaneen-Grenshoek 337.7 km
Carolina Airport 340.7 km
Ermelo 343.2 km
Tzaneen 344.3 km
Bethlehem Airport 348.0 km
Lydenburg 363.2 km
Φράνσισταουν Αεροδρόμιο 370.4 km
Taung 376.9 km
Taung 376.9 km
Levubu 386.9 km
Ficksburg 389.1 km
Ficksburg 391.0 km
Thohoyandou 397.5 km
Graskop 404.5 km
Glen College 409.5 km
Van Reenen 412.7 km
Royal Natal Nat. Park 414.3 km
Mbombela Airport 415.0 km
Hoedspruit 428.6 km
Air Force Base Hoedspruit 428.6 km
Hoedspruit 430.7 km
Ουέρντα 442.7 km
Phalaborwa 449.3 km
Ladysmith 453.6 km
Piggs Peak Met Stn. 459.8 km
Sua-Pan Airport 466.9 km
Κίμπερλεϊ Αεροδρόμιο 472.0 km
Punda Maria 476.7 km
Nhlangano Airport 478.0 km
Matsapha Airport 479.8 km
Nyonyane 484.6 km
Vryheid 484.9 km
Mayiwane 485.4 km
Skukuza Airport 488.0 km
Kuruman 488.3 km
Moti 498.5 km
Jericho 516.7 km
Komatipoort 524.2 km
Vuvulane 531.2 km
Pongola 543.4 km
Kathu 543.4 km
Siteki 546.1 km
Big Bend Met Stn. 554.8 km
Babanango 555.3 km
Ndzevane 562.1 km
Ulundi 572.2 km
Postmasburg 574.1 km
Masvingo Airport 625.1 km
Mtunzini 631.9 km