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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.


Nächste Wetterstation - Fairfax Abstand
Marin 11.7 km
Petaluma Flughafen 18.9 km
Half Moon Bay Airport 27.2 km
San Francisco Intl. Airport 28.5 km
Napa Flughafen 35.5 km
Metropolitan Oakland Flughafen 41.0 km
San Carlos Airport 43.7 km
Santa Rose Airport 44.0 km
Hayward Executive Airport 52.9 km
Buchanan Field Airport 57.5 km
Palo Alto Flughafen 57.8 km
Moffett Federal Airfield 65.7 km
Travis Air Force Base 73.0 km
Nut Tree Airport 73.0 km
San José Flughafen 79.6 km
Livermore Municipal Airport 84.8 km
Reid- Hillview Airport 91.1 km
Davis Flughafen 93.4 km
Ukiah Flughafen 100.2 km
Watsonville Flughafen 106.0 km
Monterey Regional Airport 113.8 km
Sacramento Flughafen 117.2 km
South County Arpt Of Santa Clara County 119.5 km
Sacramento Executive Airport 123.7 km
Yuba 130.4 km
Salinas Municipal Airport 131.7 km
Chico Municipal Airport 134.9 km
Red Bluff Municipal Airport 135.9 km
Sacramento McClellan Airport 136.5 km
Oroville Municipal Airport 139.0 km
Hollister Flughafen 143.0 km
Beale Air Force Base 144.2 km
Sacramento Mather Flughafen 145.4 km
Stockton Metropolitan Airport 146.6 km
Lincoln Flughafen 146.6 km
Redding Municipal Airport 155.1 km
Weaverville 172.9 km
Auburn Flughafen 175.0 km
Modesto 180.9 km
Trinity Center 182.7 km
Nevada 189.4 km
Mount Shasta 202.8 km
Placerville Airport 206.9 km
Blue Canyon 220.2 km
Castle Air Force Base 224.9 km
Siskiyou 229.5 km
Merced Regional Airport 231.5 km
Rohnerville Airport 236.2 km
Columbia Flughafen 239.6 km
Arcata-Eureka Airport 249.3 km
Paso Robles Municipal Airport 253.1 km
San Luis Obispo County Regional Airport 266.3 km
Madera Municipal Airport 278.6 km
Truckee Tahoe Airport 282.2 km
Vandenberg Space Force Base 290.2 km
Lake Tahoe Airport 291.3 km
Santa Maria Public Airport 294.9 km
Crescent City 299.3 km
Lompoc Flughafen 301.8 km
Naval Air Station Lemoore 305.9 km
Alturas Flughafen 306.5 km
Reno Stead Airport 315.4 km
Reno-Tahoe Flughafen 322.4 km
Carson City Flughafen 323.5 km
Fresno Yosemite Intl. Airport 324.5 km
Santa Ynez Flughafen 338.0 km
Hanford Municipal Airport 341.5 km
Visalia Municipal Airport 364.7 km
Santa Barbara Municipal Airport 365.5 km
Porterville Flughafen 405.1 km
Mammoth Yosemite Airport 415.4 km
Meadows Field Airport 416.9 km
Oxnard Airport 431.5 km
Naval Air Station Fallon Airport 438.3 km
Hawthorne Industrial Airport 439.1 km
Naval Outlying Landing Field San Nicolas 439.7 km
Camarillo Flughafen 441.6 km
Naval Air Station Point Mugu 441.8 km
Derby Field 461.1 km
Sandberg Airport 463.6 km
Eastern Sierra Regional Airport 468.7 km
Tehachapi Municipal Airport 486.1 km
Van Nuys Flughafen 501.0 km
Whiteman Airport 506.5 km
Santa Monica Municipal Airport 509.1 km
Burbank 514.7 km
General William J. Fox Airfield 516.5 km
Los Angeles Intl. Airport 517.3 km
Mojave Air & Space Port Flughafen 517.7 km
Hawthorne Municipal Airport 522.7 km
San Clemente Island Flughafen 523.1 km
Zamperini Field 526.4 km
Downtown Los Angeles 529.8 km
Catalina Airport 530.0 km
Long Beach Airport 543.6 km
San Gabriel Valley Airport 549.2 km
Joint Forces Training Base 554.0 km

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