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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 - Graskop Distance
Graskop 0.0 km
萊登堡 44.9 km
内尔斯普雷特 機場 54.6 km
Air Force Base Hoedspruit 57.8 km
胡德斯普雷特 57.8 km
胡德斯普雷特 60.0 km
Skukuza Airport 83.6 km
帕拉博魯瓦 101.0 km
Piggs Peak Met Stn. 108.3 km
Mayiwane 116.0 km
貝爾法斯特 116.4 km
Komatipoort 129.4 km
Nyonyane 130.9 km
察嫩 131.2 km
卡羅利納 機場 136.0 km
Tzaneen-Grenshoek 141.9 km
Vuvulane 158.8 km
曼齊尼機場 160.6 km
Oudestad 170.5 km
埃爾默洛 178.7 km
Moti 180.5 km
索赫燕杜 186.2 km
波羅克瓦尼國際機場 187.0 km
錫泰基 187.9 km
Levubu 188.2 km
波羅克瓦尼 機場 191.5 km
恩赫蘭加諾 機場 203.9 km
威特班克 204.8 km
马普托/Mavalane Airport 212.6 km
Punda Maria 214.8 km
Big Bend Met Stn. 217.6 km
莫科帕內 217.8 km
Jericho 222.2 km
Mara 223.2 km
Ndzevane 228.2 km
蓬戈拉 250.7 km
弗萊海德 272.5 km
Makatini 275.8 km
Warmbaths/Towoomba 280.2 km
Marken 303.4 km
Air Force Base Waterkloof 305.1 km
弗雷德 305.3 km
Waterkloof 305.8 km
Pretoria/Irene Airport 308.2 km
Mbazwana Airport 309.7 km
璩借辰 310.0 km
Johannesburg/Jan Smuts Airport 312.5 km
海德堡 316.1 km
Goedehoop 320.8 km
蘭德機場 326.1 km
Babanango 330.0 km
烏倫迪 331.6 km
约翰内斯堡 338.5 km
Lanseria International Airport 339.8 km
法蘭克福 機場 345.5 km
Charters Creek 355.3 km
Panda-inhambane 365.8 km
Van Reenen 368.7 km
雷地史密斯 369.4 km
萊帕拉萊 371.1 km
里查茲貝機場 387.0 km
Mtunzini 393.7 km
Pilanesberg 405.6 km
勒斯滕堡 408.6 km
Royal Natal Nat. Park 419.1 km
Bethlehem Airport 426.1 km
塞莱比-皮奎 機場 436.9 km
Potchefstroom Agric 456.2 km
馬斯溫戈 機場 465.0 km
埃斯蓬加貝拉 473.3 km
克龍斯塔德 480.7 km
克龍斯塔德 480.9 km
馬哈拉佩 485.6 km
克萊克斯多普 497.3 km
菲克斯堡 499.6 km
菲克斯堡 499.7 km
弗朗西斯敦機場 519.1 km
利赫滕堡 534.4 km
Ottosdal 568.7 km
Glen College 637.8 km

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