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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 - 拉马纳加拉姆 Distance
班加羅爾 33.9 km
Bangalore / Hindustan 42.6 km
哥印拜陀 49.1 km
阿纳恩塔普尔 60.3 km
迈索尔 65.8 km
乌塔卡蒙德 69.5 km
贝拉里 77.5 km
賴久爾 86.6 km
塞勒姆 101.5 km
Chitradurga 102.1 km
Palayamkottai 109.0 km
特里凡得琅 機場 111.4 km
马杜赖 113.2 km
卡努爾 113.9 km
柯枝 機場 117.7 km
阿勒皮 125.4 km
Willingdon 133.3 km
Arogyavaram 136.8 km
蒂魯吉拉帕利國際機場 165.8 km
科泽科德 171.2 km
马迪凯里 172.7 km
丘德达帕 177.3 km
加达格-贝蒂盖里 196.7 km
比贾布尔 204.3 km
韦洛尔 207.8 km
Pamban 228.8 km
Rentachintala 266.5 km
曼加洛尔 267.2 km
古德洛尔 277.2 km
开利开尔 286.6 km
纳加帕蒂南 288.9 km
Puttalam 301.9 km
內洛爾 302.9 km
Mannar 304.3 km
贝尔高姆/桑布拉 308.6 km
賈夫納 311.5 km
奥恩戈莱 314.1 km
霍纳瓦尔 318.2 km
金奈机场 322.9 km
卡尔瓦尔 355.2 km
戈爾哈布爾 356.4 km
阿努拉达普拉机场 361.1 km
Maha Illuppallama 367.6 km
Vavuniya 367.8 km
果阿/潘吉姆机场 393.4 km
Vijayawada Airport 399.2 km
默吉利伯德讷姆 436.3 km
亭可马里 449.5 km
拉特纳吉里 455.6 km
Minicoy / Lakkadiven 476.6 km

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