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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 - Altar Distância
Altar 0.0 km
Casa Grande Aeroporto 92.8 km
Ryan Airfield 93.6 km
Marana Regional Airport 97.3 km
Chandler Municipal Airport 105.5 km
Phoenix 109.1 km
Hermosillo Aeroporto 109.4 km
Nogales Aeroporto 113.1 km
Aeroporto Internacional de Tucson 113.3 km
Falcon Field 114.1 km
Aeroporto Internacional de Phoenix Sky Harbor 114.7 km
Scottsdale Airport 120.6 km
Base aérea Davis-Monthan 121.0 km
Phoenix Deer Valley Airport 126.6 km
Phoenix Goodyear Airport 128.0 km
Glendale Municipal Airport 128.7 km
Luke Air Force Base 132.0 km
Gila Bend Aeroporto 134.6 km
Buckeye Municipal Airport 148.3 km
Guaymas Airport 150.5 km
Santa Rosalía 150.7 km
Payson Airport 155.0 km
Empalme 163.1 km
Sierra Vista Municipal Airport 170.4 km
Sedona Airport 170.9 km
Ernest A. Love Field Airport 177.2 km
Puerto Peñasco 192.7 km
Loreto 200.3 km
Show Low Regional Airport 248.0 km
Bisbee Douglas Intl. Airport 250.4 km
Safford Regional Airport 253.2 km
Ciudad Obregón 258.6 km
St. Johns Industrial Air Park 310.6 km
Springerville Muni 310.8 km
Yuma Intl. Airport 320.1 km
Yuma Intl. Airport 320.1 km
Lake Havasu City Aeroporto 327.5 km
San Felipe 336.1 km
Blythe Airport 345.3 km
Needles Airport 357.1 km
Nuevo León 381.4 km
Mexicali Intl. Airport 387.7 km
Grant County Airport 415.7 km
Choix 420.3 km
Nuevo Casas Grandes 432.5 km
Naval Air Facility El Centro 438.7 km
Temosachic 452.0 km
Deming Municipal Airport 461.9 km
Truth or Consequences Municipal Airport 516.8 km