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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 - Vadipatti Distância
Madurai 17.0 km
Palayamkottai 38.7 km
Salem 43.4 km
Bangalore / Hindustan 74.6 km
Bangalor 79.3 km
Tiruchirappalli Intl. Airport 86.7 km
Arogyavaram 99.4 km
Coimbatore/Peelamedu 102.8 km
Anantapur 114.5 km
Tiruvanantapura Aeroporto 117.8 km
Kadapa 139.2 km
Udhagamandalam 139.2 km
Pamban 142.1 km
Vellore 147.5 km
Maiçor 149.3 km
Alappuzha 171.2 km
Cochim Aeroporto 172.3 km
Willingdon 187.4 km
Chitradurga 197.4 km
Cuddalore 205.4 km
Karaikal 210.4 km
Negapatão 212.0 km
Putalão 214.2 km
Mannar 220.2 km
Katunayake 224.0 km
Colombo 224.4 km
Colombo 226.2 km
Jafanapatão 230.2 km
Calecute 243.0 km
Nellore 244.6 km
Madikeri 253.7 km
Aeroporto Internacional de Chennai 256.0 km
Galle 266.2 km
Kurunegala 274.5 km
Anuradapura Aeroporto 277.0 km
Ratnapura 281.7 km
Maha Illuppallama 283.1 km
Vavuniya 285.2 km
Cândia 304.0 km
Nuwara Eliya 319.9 km
Bandarawela 344.0 km
Mangalore/Bajpe 349.2 km
Badulla 350.7 km
Hambantota 363.1 km
Triquinimale 368.6 km
Honnavar 405.0 km
Baticaloa 419.9 km
Pottuvil 436.6 km
Baticalá 442.9 km
Minicoy / Lakkadiven 536.6 km
Hanimaadhoo 540.3 km