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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.


Najbliższa stacja pogodowa - Bonnievale Odległość
Mossel Bay Port lotniczy 53.0 km
Port lotniczy George 66.4 km
Ladismith 68.5 km
Riversdale 68.9 km
Prince Albert 69.1 km
Stilbaai 74.6 km
Laingsburg 123.6 km
Knysna 143.0 km
Plettenberg Bay 170.7 km
Beaufort West 171.8 km
Willowmore 195.2 km
Sutherland 196.2 km
Fraserburg Airport 199.4 km
Robertson 213.4 km
Riviersonderend 215.9 km
Struisbaai 220.0 km
Przylądek Igielny 226.6 km
Joubertina 228.2 km
Tsitsikamma National Park 233.0 km
Worcester 262.4 km
Worcester 262.4 km
Excelsior Ceres 280.1 km
Hermanus 296.5 km
Vyeboom 297.8 km
Paarl 317.4 km
Strand 332.1 km
Patensie 334.0 km
Calvinia Airport 334.5 km
St Francis Bay 338.1 km
Graaff-Reinet 346.3 km
Malmesbury 347.0 km
Vanwyksvlei 358.3 km
Port lotniczy Kapsztad 358.4 km
Clanwilliam 368.2 km
Air Force Base Ysterplaat 369.3 km
Cape Point 373.4 km
Zatoka Stołowa 376.7 km
Brandvlei 378.1 km
Molteno Reservior 379.3 km
Robbeneiland 384.1 km
Slangkop 391.2 km
Nieuwoudtville 398.3 km
Uitenhage 402.8 km
De Aar 405.6 km
Langebaanweg, Lotnisko 415.9 km
Geelbek 416.9 km
Gqeberha Port lotniczy 423.4 km
Port of Ngqura 428.8 km
Langebaan 429.9 km
Lambert's Bay 430.2 km
Vredendal Port lotniczy 432.2 km
Park Narodowy Addo Elephant 439.4 km
Prieska 439.5 km
Noupoort 440.5 km
Somerset East 441.4 km
Cape Columbine 453.4 km
Cradock 455.2 km
Porterville 507.4 km
Zapora Gariep 532.1 km
Pofadder 558.1 km
Fauresmith 567.9 km
Springbok Port lotniczy 615.5 km
Koingnaas 631.3 km