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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 - Port Alfred Distancia
Port Alfred Aeropuerto 1.9 km
Grahamstown 48.7 km
Bhisho 79.4 km
Fort Beaufort 80.5 km
King Phalo aeropuerto 119.1 km
Döhne 122.2 km
Parque nacional de los Elefantes de Addo 124.9 km
Port of Ngqura 135.7 km
Somerset East 137.1 km
Puerto Elizabeth Aeropuerto 145.7 km
Uitenhage 160.3 km
Queenstown 162.2 km
Queenstown 163.9 km
Cradock 196.1 km
Patensie 229.2 km
St Francis Bay 235.5 km
Jamestown 241.8 km
Elliot 245.0 km
Barkly East 271.5 km
Aliwal North aeropuerto 273.1 km
Mthatha 282.1 km
Graaff-Reinet 291.3 km
Coffee Bay 297.3 km
Noupoort 318.9 km
Tsitsikamma National Park 333.8 km
Joubertina 335.2 km
Gariep Dam 335.9 km
Port St. Johns 352.9 km
Willowmore 375.7 km
Willowmore 375.7 km
Wepener 379.2 km
Plettenberg Bay 397.6 km
Kokstad 411.0 km
Maseru-Mia 413.0 km
Fauresmith 415.7 km
Knysna 424.2 km
De Aar 432.2 km
Port Edward 446.5 km
Bloemfontein Aeropuerto 447.4 km
Bloemfontein 448.0 km
Shaleburn 461.6 km
Paddock 467.1 km
Margate 467.5 km
Ixopo 487.4 km
Beaufort West 495.6 km
George aeropuerto 501.3 km
Giant's Castle 513.4 km
Sezela 522.8 km
Mosselbaai Aeropuerto 529.0 km
Prince Albert 541.2 km
Cedara 546.6 km
Pietermaritzburgo Aeropuerto 547.5 km
Pietermaritzburgo 548.7 km
Mooi River 549.6 km
Estcourt 557.9 km
Greytown 602.2 km
Prieska 604.6 km