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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 - Vallejo Abstand
Napa Flughafen 11.2 km
Buchanan Field Airport 18.1 km
Metropolitan Oakland Flughafen 21.8 km
Hayward Executive Airport 27.3 km
Travis Air Force Base 31.3 km
Nut Tree Airport 32.0 km
San Carlos Airport 35.1 km
San Francisco Intl. Airport 35.3 km
Palo Alto Flughafen 38.7 km
Marin 39.7 km
Moffett Federal Airfield 43.8 km
Petaluma Flughafen 46.1 km
Half Moon Bay Airport 48.3 km
Livermore Municipal Airport 48.8 km
Davis Flughafen 52.6 km
San José Flughafen 53.4 km
Reid- Hillview Airport 62.2 km
Santa Rose Airport 73.0 km
Sacramento Flughafen 76.3 km
Sacramento Executive Airport 82.0 km
Watsonville Flughafen 83.0 km
South County Arpt Of Santa Clara County 90.0 km
Yuba 91.8 km
Sacramento McClellan Airport 95.0 km
Monterey Regional Airport 97.6 km
Sacramento Mather Flughafen 103.6 km
Oroville Municipal Airport 104.0 km
Beale Air Force Base 104.7 km
Lincoln Flughafen 105.7 km
Stockton Metropolitan Airport 106.4 km
Chico Municipal Airport 106.7 km
Salinas Municipal Airport 107.6 km
Hollister Flughafen 112.9 km
Red Bluff Municipal Airport 121.8 km
Ukiah Flughafen 127.3 km
Auburn Flughafen 133.7 km
Modesto 141.8 km
Redding Municipal Airport 143.0 km
Nevada 148.5 km
Placerville Airport 165.1 km
Weaverville 177.7 km
Blue Canyon 178.9 km
Trinity Center 180.8 km
Castle Air Force Base 186.4 km
Mount Shasta 191.4 km
Merced Regional Airport 193.3 km
Columbia Flughafen 198.8 km
Siskiyou 221.2 km
Paso Robles Municipal Airport 224.4 km
San Luis Obispo County Regional Airport 240.1 km
Truckee Tahoe Airport 240.5 km
Madera Municipal Airport 240.9 km
Crater Lake 244.6 km
Lake Tahoe Airport 249.6 km
Rohnerville Airport 261.9 km
Medford Flughafen 265.9 km
Vandenberg Space Force Base 266.2 km
Santa Maria Public Airport 268.7 km
Naval Air Station Lemoore 270.2 km
Alturas Flughafen 270.6 km
Arcata-Eureka Airport 273.8 km
Reno Stead Airport 273.9 km
Lompoc Flughafen 276.9 km
Reno-Tahoe Flughafen 280.7 km
Carson City Flughafen 281.7 km
Fresno Yosemite Intl. Airport 286.8 km
Hanford Municipal Airport 305.1 km
Lake County Airport 308.9 km
Santa Ynez Flughafen 310.3 km
Crescent City 318.8 km
Visalia Municipal Airport 327.8 km
Brookings Airport 336.0 km
Santa Barbara Municipal Airport 337.0 km
Porterville Flughafen 368.4 km
Mammoth Yosemite Airport 375.1 km
Meadows Field Airport 381.8 km
Naval Air Station Fallon Airport 396.5 km
Hawthorne Industrial Airport 397.7 km
Oxnard Airport 400.7 km
Camarillo Flughafen 410.2 km
Naval Air Station Point Mugu 410.9 km
Derby Field 419.3 km
Eastern Sierra Regional Airport 428.7 km
Sandberg Airport 429.6 km
Tehachapi Municipal Airport 450.5 km
Van Nuys Flughafen 467.6 km
Whiteman Airport 472.8 km
Santa Monica Municipal Airport 476.2 km
Burbank 481.0 km
General William J. Fox Airfield 481.3 km
Mojave Air & Space Port Flughafen 481.7 km
Downtown Los Angeles 496.2 km
San Gabriel Valley Airport 515.0 km

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