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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 - Silao Distância
Bajío Intl. Airport 7.3 km
Guanajuato 14.9 km
Morelia 37.4 km
San Luis Potosí Aeroporto 55.3 km
Lagos de Moreno 58.2 km
Ixtapa-Zihuatanejo Intl. Airport 73.7 km
Uruapan Aeroporto 77.5 km
Aguascalientes 99.6 km
Zamora de Hidalgo 102.5 km
Zamora de Hidalgo 102.5 km
Santiago de Querétaro Aeroporto 116.8 km
Zacatecas 135.0 km
Zacatecas Aeroporto 148.6 km
Rioverde 160.9 km
Toluca 195.8 km
Acapulco/G. Alvarez Airport 203.7 km
Colotlán 207.9 km
Toluca Aeroporto 208.5 km
Guadalajara Aeroporto 219.0 km
Chilpancingo de los Bravo 224.0 km
Chilpancingo de los Bravo 224.0 km
Ciudad Guzmán 230.1 km
Colima 243.7 km
Cuernavaca 246.4 km
Mexico City/B. Juarez Int. Airp. 250.5 km
Geografia Unam D.f. 250.6 km
Zacatepec 250.9 km
Sombrerete 257.0 km
Colima 259.6 km
Ciudad Victoria 260.1 km
Matlapa 290.7 km
Matlapa 291.4 km
Pachuca de Soto 297.5 km
Manzanillo Aeroporto 326.1 km
Tulancingo 339.9 km
Tlaxcala de Xicohténcatl 353.8 km
Tlaxcala 353.8 km
Victoria de Durango 355.3 km
Soto la Marina 362.0 km
Puebla de Zaragoza 363.1 km
Aeroporto Internacional de Puebla 363.5 km
Tepic Aeroporto 386.2 km
Tepic 388.0 km
Tampico Airport 397.7 km
Huajuapan de León 410.3 km
Puerto Vallarta Aeroporto 426.8 km
Aeroporto Nacional El Tajín 440.4 km
Tuxpan 447.1 km
Orizaba 481.9 km