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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.


Poblíž povětrnostní stanice - Káňčipuram Vzdálenost
Cuddalore 21.5 km
Karaikal 39.7 km
Nákappattinam 43.1 km
Nellúru 43.7 km
Letiště Čennaí 52.1 km
Vélúr 63.1 km
Ongole 65.3 km
Jápané 70.4 km
Rentachintala 77.4 km
Mannar 78.6 km
Pamban 90.9 km
Puttalam 95.4 km
Kadapa 104.2 km
Anuradhápura Letiště 116.1 km
Vavuniya 116.8 km
Tiruchirappalli Intl. Airport 119.2 km
Maha Illuppallama 122.7 km
Arogyavaram 136.3 km
Vijayawada (Letiště) 139.1 km
Mačilípatnam 171.3 km
Sélam 174.3 km
Trincomalee 187.5 km
Madurai 191.6 km
Kurnool 194.4 km
Bangalore / Hindustan 228.6 km
Palayamkottai 236.1 km
Anantapur 237.3 km
Bengalúr 237.5 km
Raichur 275.9 km
Kakinada 289.1 km
Coimbatore/Peelamedu 299.5 km
Tiruvanantapuram Letiště 322.9 km
Ballari 323.4 km
Óttakamandu 333.6 km
Maisúr 336.0 km
Chitradurga 366.9 km
Kóčin Letiště 374.0 km
Alappuzha 374.8 km
Willingdon 389.6 km
Kóžikkót 439.4 km
Madikeri 443.5 km
Bídžápur 455.0 km
Gadag-Betageri 458.6 km