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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.


Stations météo à proximité - Colfax Distance
Nevada 10.0 km
Auburn Aéroport 16.9 km
Blue Canyon 28.4 km
Placerville (Aéroport) 30.0 km
Lincoln Aéroport 45.8 km
Sacramento Mather (Aéroport) 49.6 km
Beale Air Force Base 53.9 km
Sacramento McClellan (Aéroport) 55.6 km
Yuba 68.7 km
Sacramento Executive (Aéroport) 69.2 km
Sacramento (Aéroport) 74.8 km
Stockton Metropolitan (Aéroport) 75.8 km
Oroville Municipal (Aéroport) 78.4 km
Modesto 83.0 km
Columbia Aéroport 84.4 km
Truckee Tahoe (Aéroport) 91.9 km
Davis Aéroport 98.4 km
Castle (Aéroport) 105.9 km
Lake Tahoe (Aéroport) 106.7 km
Chico Municipal (Aéroport) 108.1 km
Merced (Aéroport) 113.2 km
Nut Tree (Aéroport) 118.8 km
Travis Air Force Base 119.3 km
Aéroport Reno Stead 124.0 km
Livermore Municipal (Aéroport) 125.4 km
Reno-Tahoe (Aéroport) 132.0 km
Carson City Aéroport 135.7 km
Hollister Aéroport 136.2 km
South County Arpt Of Santa Clara County 136.3 km
Buchanan Field (Aéroport) 138.2 km
Reid- Hillview (Aéroport) 140.0 km
Alturas Aéroport 145.1 km
San José (Aéroport) 147.6 km
Madera Municipal (Aéroport) 151.4 km
Hayward Executive (Aéroport) 153.8 km
Watsonville Municipal (Aéroport) 155.3 km
Moffett Federal Airfield 156.2 km
Napa Aéroport 156.6 km
Salinas Municipal (Aéroport) 157.3 km
Red Bluff Municipal (Aéroport) 157.5 km
Palo Alto Aéroport 160.4 km
Aéroport international d'Oakland 161.5 km
San Carlos (Aéroport) 171.1 km
Redding Municipal (Aéroport) 171.5 km
Aéroport régional de Monterey 176.2 km
San Francisco (Aéroport) 181.1 km
Lake County (Aéroport) 185.5 km
Marin 187.1 km
Fresno Yosemite (Aéroport) 189.2 km
Petaluma Aéroport 190.5 km
Naval Air Station Lemoore 190.9 km
Eddie Andreini Sr. Airfield 195.4 km
Crater Lake 196.9 km
Paso Robles Municipal (Aéroport) 197.8 km
Mont Shasta 200.3 km
Santa Rose Airport 210.4 km
Hanford Municipal (Aéroport) 214.8 km
San Luis Obispo County Regional (Aéroport) 221.9 km
Trinity Center 223.8 km
Siskiyou 231.2 km
Visalia Municipal (Aéroport) 231.8 km
Weaverville 240.4 km
Mammoth Yosemite (Aéroport) 248.5 km
Ukiah Aéroport 250.6 km
Naval Air Station Fallon Aéroport 251.0 km
Hawthorne Industrial (Aéroport) 259.5 km
Porterville Aéroport 270.2 km
Derby Field 270.8 km
Medford Aéroport 287.8 km
Meadows Field (Aéroport) 293.2 km
Eastern Sierra Regional (Aéroport) 302.7 km
Burns Municipal (Aéroport) 334.7 km
Tehachapi Municipal (Aéroport) 354.2 km
Roseburg Regional (Aéroport) 362.9 km
Winnemucca Aéroport 364.4 km
Rohnerville (Aéroport) 365.1 km
Aéroport d'Arcata-Eureka 372.5 km
Aéroport et port spatial de Mojave Aéroport 381.9 km
Rome State (Aéroport) 392.8 km
Crescent City 399.7 km
Naval Air Weapons Station China Lake 408.0 km
Brookings Aéroport 412.8 km
Tonopah (Aéroport) 434.0 km
Southwest Oregon Regional (Aéroport) 449.8 km
Bicycle Lake Army Airfield 522.1 km
Caldwell Aéroport 538.6 km
Nampa Municipal (Aéroport) 548.2 km
Mercury/Desert Rock 564.5 km
Boise Aéroport 578.2 km