Welt

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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.


Nächste Wetterstation - Sivagiri Abstand
Palayamkottai 39.6 km
Thiruvananthapuram Flughafen 55.9 km
Coimbatore/Peelamedu 58.7 km
Madurai 76.3 km
Bengaluru 89.9 km
Bangalore / Hindustan 91.4 km
Udagamandalam 92.1 km
Salem 99.9 km
Mysuru 109.0 km
Alappuzha 111.5 km
Kochi Flughafen 114.9 km
Willingdon 129.0 km
Tiruchirapalli Flughafen 148.5 km
Arogyavaram 155.3 km
Kozhikode 188.5 km
Pamban 200.4 km
Madikeri 203.7 km
Vellore 209.3 km
Cuddalore 267.0 km
Puttalam 270.5 km
Karaikal 271.3 km
Nagapattinam 272.7 km
Colombo 278.3 km
Mannar 278.4 km
Katunayake 278.6 km
Colombo 279.9 km
Jaffna 289.5 km
Mangalore/Bajpe 297.7 km
Chennai Flughafen 318.0 km
Galle 319.5 km
Kurunegala 330.7 km
Anuradhapura Flughafen 334.6 km
Ratnapura 336.8 km
Maha Illuppallama 340.5 km
Vavuniya 343.4 km
Kandy 360.5 km
Nuwara Eliya 376.1 km
Bandarawela 400.3 km
Badulla 407.3 km
Hambantota 418.9 km
Trincomalee 427.0 km
Minicoy / Lakkadiven 475.8 km
Batticaloa 477.9 km
Hanimaadhoo 478.6 km
Pottuvil 494.0 km