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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.


Estaciones meteorológicas cercanas - Xerém Distancia
Xerém 0.0 km
Xerém 0.0 km
Galeão Air Force Base Airport 19.0 km
Afonsos Air Force Base Airport 27.0 km
Rio de Janeiro Airport 28.0 km
Jacarepaguá 34.3 km
Rio de Janeiro 37.1 km
IlhaRasa 41.3 km
Valenca 51.1 km
Rio De Janeiro-marambaia 52.9 km
Santa Cruz 57.7 km
Juiz de Fora Airport 66.8 km
Nova Friburgo 68.7 km
Cordeiro 109.8 km
Barbacena 122.7 km
Barbacena 123.6 km
Resende 131.6 km
São Pedro da Aldeia Airport 132.0 km
Resende 133.8 km
Cabo Frio Airport 135.6 km
Arraial do Cabo 142.3 km
Viçosa 154.3 km
Muriaé 156.2 km
São João del-Rei 161.6 km
Macaé 162.8 km
Cambuci 166.9 km
Paraty 170.4 km
Ouro Branco 172.4 km
Passa Quatro 189.3 km
Itaperuna 191.2 km
Guaratinguetá 216.4 km
Lavras 221.0 km
Ibirité 221.7 km
Manhuaçu 224.8 km
Campos dos Goytacazes 225.6 km
Campos dos Goytacazes 225.9 km
Belo Horizonte Intl. Airport 226.1 km
Carlos Prates Airport 230.0 km
Pampulha 231.2 km
Belo Horizonte Airport 233.0 km
Sao Luis Do Paraitinga 244.8 km
Lagoa Santa Airport 245.8 km
Alegre 248.7 km
Sao Tome 250.6 km
Belo Horizonte (Confins) 251.5 km
Florestal 251.6 km
Taubaté 253.5 km
Timóteo 254.4 km
Taubaté Airport 258.3 km
Caratinga 259.4 km
Campos do Jordão 260.5 km
Caratinga 264.7 km
Vale do Aço Regional Airport 268.3 km
Presidente Kennedy 276.5 km
São José dos Campos 294.0 km
Formiga 296.6 km
Monte Verde 309.9 km
Guanhães 310.6 km
Alfredo Chaves 324.0 km
Curvelo 335.0 km
Caldas 350.8 km
Diamantina 352.2 km
Santos Airport 354.1 km
Diamantina 354.2 km
Dores do Indaiá 357.6 km
Guarulhos Airport 362.8 km
Poços de Caldas 372.1 km
Plataforma P25 Airport 375.0 km
Vitória 378.4 km
Sao Paulo-mirante De Santana 380.2 km
Marte Civ / Mil 382.3 km
Vitoria/Goiabeiras AP 383.7 km
Sao Paulo AP 385.3 km
Passos 401.8 km
Mantena 403.6 km
Tres Marias 425.7 km
Casa Branca 428.6 km
Campinas/Viracopos AP 431.7 km
Nova Venécia 454.3 km
Pirassununga 455.3 km
Piracicaba 466.5 km
Araxá 470.6 km
Araxá 471.9 km
Franca 484.1 km
Sorocaba 485.2 km
Franca 490.3 km
São Mateus 498.6 km
São Mateus 499.2 km
Patrocínio 500.6 km
Iguape 503.5 km
Leite Lopes Airport 514.3 km
São Carlos Airport 515.8 km
São Carlos 516.1 km
Ituverava 530.9 km
Uberaba 566.7 km
Catalão 622.6 km
Catalão 623.6 km

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