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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 - Pernambut Distância
Arogyavaram 27.5 km
Kadapa 36.0 km
Tiruchirappalli Intl. Airport 47.2 km
Vellore 48.2 km
Salem 67.6 km
Pamban 95.6 km
Kurnool 96.7 km
Madurai 98.1 km
Bangalore / Hindustan 117.3 km
Cuddalore 119.4 km
Rentachintala 120.0 km
Bangalor 126.2 km
Anantapur 128.8 km
Karaikal 131.1 km
Negapatão 133.9 km
Palayamkottai 143.7 km
Nellore 144.4 km
Mannar 156.4 km
Ongole 157.9 km
Jafanapatão 159.6 km
Putalão 160.4 km
Aeroporto Internacional de Chennai 163.3 km
Raichur 171.9 km
Coimbatore/Peelamedu 190.7 km
Anuradapura Aeroporto 210.6 km
Ballari 214.2 km
Vavuniya 215.4 km
Maha Illuppallama 217.4 km
Tiruvanantapura Aeroporto 222.5 km
Udhagamandalam 223.7 km
Maiçor 225.0 km
Vijayawada Airport 242.2 km
Chitradurga 256.1 km
Cochim Aeroporto 266.1 km
Alappuzha 268.5 km
Masulipatão 278.1 km
Willingdon 282.0 km
Triquinimale 294.1 km
Calecute 329.1 km
Madikeri 332.3 km
Bijapur 347.2 km
Gadag-Betigeri 348.6 km
Kakinada 398.2 km
Mangalore/Bajpe 426.7 km
Belgaum/Sambra 462.4 km
Honnavar 476.2 km
Colhapur 508.4 km
Baticalá 512.4 km