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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.


Najbliższa stacja pogodowa - Periyakulam Odległość
Palayamkottai 39.8 km
Coimbatore/Peelamedu 60.0 km
Maduraj 60.8 km
Bengaluru 68.4 km
Bangalore / Hindustan 68.8 km
Selam 77.5 km
Thiruvananthapuram Port lotniczy 77.9 km
Utakamand 96.3 km
Mysuru 109.0 km
Anantapur 109.5 km
Alappuzha 127.0 km
Koczin Port lotniczy 127.8 km
Port lotniczy Tiruchirapalli 130.7 km
Arogyavaram 131.9 km
Willingdon 142.9 km
Chitradurga 161.5 km
Kadapa 174.0 km
Pamban 186.5 km
Vellore 188.9 km
Kozhikode 198.8 km
Madikeri 210.7 km
Cuddalore 249.4 km
Karajkkal 254.8 km
Nagapattinam 256.4 km
Puttalam 258.2 km
Mannar 264.6 km
Katunayake 267.5 km
Kolombo 267.7 km
Kolombo 269.4 km
Dżafna 274.8 km
Nellur 286.5 km
Port lotniczy Ćennaj 299.5 km
Mangalore/Bajpe 305.9 km
Galle 309.3 km
Kurunegala 318.5 km
Anuradhapura Port lotniczy 321.3 km
Ratnapura 325.4 km
Maha Illuppallama 327.4 km
Vavuniya 329.6 km
Kandy 348.1 km
Honnavar 362.7 km
Nuwara Elija 364.0 km
Bandarawela 388.1 km
Badulla 394.8 km
Karwar 400.7 km
Hambantota 407.1 km
Trikunamalaja 413.0 km
Madakalapuwa 464.4 km
Pottuvil 481.0 km
Minicoy / Lakkadiven 492.4 km
Hanimaadhoo 496.9 km