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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.


附近气象站 - 傑弗里斯貝 Distance
St Francis Bay 19.2 km
Patensie 29.1 km
Uitenhage 66.6 km
伊麗莎白港機場 78.1 km
Port of Ngqura 86.8 km
阿多大象国家公园 110.1 km
Tsitsikamma National Park 113.2 km
Joubertina 118.6 km
東索梅塞特 133.3 km
威洛莫爾 175.1 km
普利登堡灣 176.9 km
格拉夫-里內特 189.8 km
格拉罕鎮 191.6 km
克拉多克 203.4 km
克尼斯納 204.1 km
艾尔弗雷德港 機場 223.8 km
博福特港 228.5 km
喬治機場 282.0 km
比绍 286.8 km
Noupoort 287.7 km
昆士敦 304.6 km
昆士敦 304.7 km
莫塞爾貝 機場 308.4 km
西博福特 314.4 km
Döhne 321.8 km
艾伯特親王鎮 334.3 km
东伦敦机场 339.6 km
德阿爾 357.7 km
Gariep Dam 359.1 km
Jamestown 359.6 km
北阿利瓦爾 機場 390.8 km
Stilbaai 394.8 km
里弗斯代爾 408.2 km
萊迪史密斯 408.9 km
埃利奧特 423.2 km
東巴克利 430.1 km
Fraserburg Airport 436.0 km
蘭斯堡 458.9 km
烏姆塔塔 485.7 km
Sutherland 502.5 km
Vanwyksvlei 510.6 km
Struisbaai 545.6 km
厄加勒斯角 551.6 km
Brandvlei 614.5 km

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