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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 - Mill Valley Abstand
Marin 16.2 km
San Francisco Intl. Airport 21.8 km
Half Moon Bay Airport 22.2 km
Petaluma Flughafen 24.5 km
Napa Flughafen 32.8 km
Metropolitan Oakland Flughafen 34.6 km
San Carlos Airport 36.9 km
Hayward Executive Airport 46.4 km
Santa Rose Airport 50.6 km
Palo Alto Flughafen 51.0 km
Buchanan Field Airport 52.3 km
Moffett Federal Airfield 58.9 km
Travis Air Force Base 68.8 km
Nut Tree Airport 69.3 km
San José Flughafen 72.9 km
Livermore Municipal Airport 78.7 km
Reid- Hillview Airport 84.5 km
Davis Flughafen 89.9 km
Watsonville Flughafen 99.1 km
Ukiah Flughafen 106.9 km
Monterey Regional Airport 107.0 km
South County Arpt Of Santa Clara County 112.8 km
Sacramento Flughafen 113.7 km
Sacramento Executive Airport 119.5 km
Salinas Municipal Airport 124.8 km
Yuba 127.8 km
Sacramento McClellan Airport 132.6 km
Chico Municipal Airport 134.9 km
Hollister Flughafen 136.3 km
Oroville Municipal Airport 137.5 km
Red Bluff Municipal Airport 138.4 km
Sacramento Mather Flughafen 141.0 km
Stockton Metropolitan Airport 141.0 km
Beale Air Force Base 141.3 km
Lincoln Flughafen 143.1 km
Redding Municipal Airport 158.0 km
Auburn Flughafen 171.2 km
Modesto 175.0 km
Weaverville 178.1 km
Nevada 185.9 km
Trinity Center 187.0 km
Placerville Airport 202.3 km
Mount Shasta 206.0 km
Blue Canyon 216.4 km
Castle Air Force Base 218.9 km
Merced Regional Airport 225.4 km
Siskiyou 233.1 km
Columbia Flughafen 234.2 km
Rohnerville Airport 242.9 km
Paso Robles Municipal Airport 246.2 km
Arcata-Eureka Airport 256.0 km
San Luis Obispo County Regional Airport 259.5 km
Madera Municipal Airport 272.4 km
Truckee Tahoe Airport 278.0 km
Vandenberg Space Force Base 283.4 km
Lake Tahoe Airport 286.6 km
Santa Maria Public Airport 288.1 km
Lompoc Flughafen 295.0 km
Naval Air Station Lemoore 299.4 km
Alturas Flughafen 305.0 km
Crescent City 305.8 km
Reno Stead Airport 311.4 km
Reno-Tahoe Flughafen 318.2 km
Fresno Yosemite Intl. Airport 318.2 km
Carson City Flughafen 318.9 km
Santa Ynez Flughafen 331.2 km
Hanford Municipal Airport 335.1 km
Visalia Municipal Airport 358.3 km
Santa Barbara Municipal Airport 358.7 km
Porterville Flughafen 398.7 km
Mammoth Yosemite Airport 409.7 km
Meadows Field Airport 410.3 km
Oxnard Airport 424.8 km
Naval Outlying Landing Field San Nicolas 432.9 km
Naval Air Station Fallon Airport 433.5 km
Hawthorne Industrial Airport 433.8 km
Camarillo Flughafen 434.8 km
Naval Air Station Point Mugu 435.0 km
Derby Field 456.7 km
Sandberg Airport 457.0 km
Eastern Sierra Regional Airport 462.9 km
Tehachapi Municipal Airport 479.6 km
Van Nuys Flughafen 494.3 km
Whiteman Airport 499.8 km
Santa Monica Municipal Airport 502.4 km
Burbank 508.0 km
General William J. Fox Airfield 509.9 km
Los Angeles Intl. Airport 510.6 km
Mojave Air & Space Port Flughafen 511.2 km
Hawthorne Municipal Airport 516.0 km
San Clemente Island Flughafen 516.3 km
Zamperini Field 519.7 km
Downtown Los Angeles 523.2 km
Catalina Airport 523.2 km
Long Beach Airport 536.9 km
San Gabriel Valley Airport 542.5 km
Joint Forces Training Base 547.3 km

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