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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.


Estações Meteorológicas Próximas - Tharamangalam Distância
Salem 22.3 km
Madurai 45.0 km
Bangalore / Hindustan 45.0 km
Bangalor 52.3 km
Arogyavaram 72.7 km
Palayamkottai 73.2 km
Anantapur 80.6 km
Tiruchirappalli Intl. Airport 86.0 km
Kurnool 95.8 km
Coimbatore/Peelamedu 103.2 km
Kadapa 115.0 km
Vellore 134.5 km
Tiruvanantapura Aeroporto 137.0 km
Udhagamandalam 137.5 km
Maiçor 141.8 km
Pamban 148.8 km
Ballari 150.0 km
Cochim Aeroporto 178.2 km
Alappuzha 180.4 km
Chitradurga 181.9 km
Willingdon 194.1 km
Cuddalore 200.4 km
Karaikal 208.4 km
Negapatão 210.6 km
Putalão 221.9 km
Mannar 224.5 km
Nellore 232.0 km
Jafanapatão 232.2 km
Katunayake 234.0 km
Calecute 243.3 km
Ongole 246.0 km
Aeroporto Internacional de Chennai 248.3 km
Madikeri 249.3 km
Gadag-Betigeri 276.4 km
Kurunegala 281.2 km
Anuradapura Aeroporto 281.4 km
Maha Illuppallama 287.9 km
Vavuniya 288.4 km
Cândia 310.0 km
Mangalore/Bajpe 344.7 km
Triquinimale 370.6 km
Belgaum/Sambra 388.5 km
Honnavar 397.4 km
Baticaloa 422.6 km
Baticalá 434.6 km
Goa / Panjim Airport 473.1 km
Minicoy / Lakkadiven 544.1 km