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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.


Nearby Weather Stations - Varkala Απόσταση
Τιρουβανανταπουράμ Αεροδρόμιο 28.5 km
Alappuzha 38.0 km
Κοτσί Αεροδρόμιο 49.5 km
Willingdon 57.7 km
Ooty 68.3 km
Coimbatore/Peelamedu 70.0 km
Μαϊσόρ 91.3 km
Palayamkottai 116.9 km
Kozhikode 121.8 km
Μπανγκαλόρ 143.7 km
Madikeri 145.3 km
Bangalore / Hindustan 149.4 km
Μαντουράι 157.4 km
Salem 177.8 km
Tiruchirappalli International Airport 229.6 km
Mangalore/Bajpe 232.2 km
Pamban 280.4 km
Vellore 289.4 km
Cuddalore 348.1 km
Puttalam 349.2 km
Karaikal 352.2 km
Nagapattinam 353.6 km
Κολόμπο 355.5 km
Katunayake 356.1 km
Κολόμπο 357.0 km
Mannar 358.1 km
Τζάφνα 369.8 km
Velana International Airport 375.3 km
Minicoy / Lakkadiven 395.4 km
Galle 396.0 km
Hanimaadhoo 397.5 km
Kurunegala 409.1 km
Ανουρανταπούρα Αεροδρόμιο 413.8 km
Ratnapura 414.3 km
Maha Illuppallama 419.5 km
Βαβουνίγια 423.0 km
Κάντι 438.9 km
Aminidivi 447.0 km
Nuwara Eliya 454.3 km
Bandarawela 478.5 km