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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 - 廷迪瓦纳姆 Distance
古德洛尔 16.2 km
开利开尔 33.4 km
纳加帕蒂南 36.9 km
內洛爾 57.0 km
韦洛尔 57.3 km
金奈机场 61.1 km
賈夫納 65.4 km
Mannar 71.0 km
Pamban 77.4 km
奥恩戈莱 78.8 km
Puttalam 86.0 km
Rentachintala 87.4 km
丘德达帕 102.1 km
蒂魯吉拉帕利國際機場 108.4 km
阿努拉达普拉机场 113.9 km
Vavuniya 116.0 km
Maha Illuppallama 120.7 km
Arogyavaram 130.8 km
Vijayawada Airport 151.1 km
塞勒姆 165.6 km
马杜赖 180.9 km
默吉利伯德讷姆 182.3 km
亭可马里 190.5 km
卡努爾 192.0 km
Bangalore / Hindustan 221.7 km
Palayamkottai 224.9 km
班加羅爾 230.6 km
阿纳恩塔普尔 232.5 km
賴久爾 272.6 km
哥印拜陀 290.7 km
卡基纳达 298.9 km
特里凡得琅 機場 312.2 km
贝拉里 318.5 km
乌塔卡蒙德 325.2 km
迈索尔 328.4 km
Chitradurga 360.9 km
柯枝 機場 364.7 km
阿勒皮 365.2 km
Willingdon 380.3 km
科泽科德 431.1 km
马迪凯里 436.0 km
比贾布尔 450.8 km
加达格-贝蒂盖里 453.3 km

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