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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 - Witsand Distance
里弗斯代爾 55.4 km
Stilbaai 59.5 km
Struisbaai 96.7 km
厄加勒斯角 103.2 km
萊迪史密斯 104.7 km
Riviersonderend 108.7 km
羅伯特森 122.9 km
蘭斯堡 124.8 km
莫塞爾貝 機場 146.4 km
伍斯特 174.4 km
伍斯特 174.4 km
喬治機場 175.2 km
艾伯特親王鎮 181.0 km
赫爾馬努斯 181.9 km
Vyeboom 192.8 km
Sutherland 210.9 km
Excelsior Ceres 218.0 km
帕阿爾 221.5 km
Strand 224.2 km
克尼斯納 251.2 km
开普敦国际机场 254.6 km
馬姆斯伯里 256.8 km
Cape Point 261.7 km
Air Force Base Ysterplaat 266.8 km
Fraserburg Airport 268.2 km
桌灣 274.1 km
Molteno Reservior 275.8 km
普利登堡灣 277.7 km
Slangkop 283.2 km
羅本島 283.5 km
西博福特 284.2 km
威洛莫爾 316.7 km
克蘭威廉 319.2 km
卡爾維尼亞 機場 329.1 km
Geelbek 329.3 km
Langebaanweg Airport 334.4 km
Joubertina 340.8 km
Tsitsikamma National Park 341.6 km
兰格班 344.4 km
Cape Columbine 372.3 km
Lambert's Bay 374.3 km
Nieuwoudtville 374.9 km
弗雷登達爾 機場 387.9 km
Brandvlei 411.7 km
Vanwyksvlei 433.5 km
St Francis Bay 443.9 km
Patensie 446.3 km
格拉夫-里內特 469.7 km
Porterville 504.3 km
德阿爾 521.3 km
Noupoort 563.1 km
Koingnaas 594.0 km

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