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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 - San Bruno Abstand
San Francisco Intl. Airport 3.7 km
Half Moon Bay Airport 11.1 km
San Carlos Airport 19.5 km
Metropolitan Oakland Flughafen 23.3 km
Hayward Executive Airport 33.5 km
Palo Alto Flughafen 34.6 km
Marin 35.1 km
Napa Flughafen 38.6 km
Moffett Federal Airfield 42.5 km
Petaluma Flughafen 43.7 km
Buchanan Field Airport 46.3 km
San José Flughafen 56.9 km
Travis Air Force Base 66.2 km
Livermore Municipal Airport 67.0 km
Nut Tree Airport 68.4 km
Reid- Hillview Airport 68.9 km
Santa Rose Airport 70.0 km
Watsonville Flughafen 81.3 km
Monterey Regional Airport 87.9 km
Davis Flughafen 88.6 km
South County Arpt Of Santa Clara County 96.6 km
Salinas Municipal Airport 106.8 km
Sacramento Flughafen 111.8 km
Sacramento Executive Airport 115.2 km
Hollister Flughafen 119.8 km
Ukiah Flughafen 126.1 km
Yuba 128.9 km
Sacramento McClellan Airport 128.9 km
Stockton Metropolitan Airport 130.9 km
Sacramento Mather Flughafen 135.9 km
Lincoln Flughafen 140.8 km
Beale Air Force Base 141.2 km
Oroville Municipal Airport 141.5 km
Chico Municipal Airport 142.9 km
Red Bluff Municipal Airport 152.0 km
Modesto 163.3 km
Auburn Flughafen 167.6 km
Redding Municipal Airport 172.3 km
Nevada 183.3 km
Placerville Airport 196.1 km
Weaverville 196.3 km
Trinity Center 204.1 km
Castle Air Force Base 206.2 km
Merced Regional Airport 212.4 km
Blue Canyon 212.7 km
Mount Shasta 220.6 km
Columbia Flughafen 224.2 km
Paso Robles Municipal Airport 228.7 km
San Luis Obispo County Regional Airport 241.3 km
Siskiyou 248.7 km
Madera Municipal Airport 258.8 km
Rohnerville Airport 262.0 km
Vandenberg Space Force Base 264.7 km
Santa Maria Public Airport 269.8 km
Truckee Tahoe Airport 272.5 km
Arcata-Eureka Airport 275.2 km
Lompoc Flughafen 276.4 km
Lake Tahoe Airport 279.4 km
Naval Air Station Lemoore 284.4 km
Fresno Yosemite Intl. Airport 304.5 km
Reno Stead Airport 306.4 km
Alturas Flughafen 308.0 km
Carson City Flughafen 312.2 km
Reno-Tahoe Flughafen 312.5 km
Santa Ynez Flughafen 313.2 km
Hanford Municipal Airport 320.5 km
Crescent City 325.2 km
Santa Barbara Municipal Airport 340.9 km
Visalia Municipal Airport 343.9 km
Porterville Flughafen 384.1 km
Meadows Field Airport 394.8 km
Mammoth Yosemite Airport 398.3 km
Oxnard Airport 407.5 km
Naval Outlying Landing Field San Nicolas 414.5 km
Camarillo Flughafen 417.7 km
Naval Air Station Point Mugu 417.8 km
Hawthorne Industrial Airport 424.3 km
Naval Air Station Fallon Airport 425.9 km
Sandberg Airport 440.9 km
Derby Field 450.3 km
Eastern Sierra Regional Airport 451.1 km
Tehachapi Municipal Airport 464.3 km
Van Nuys Flughafen 477.9 km
Whiteman Airport 483.5 km
Santa Monica Municipal Airport 485.8 km
Burbank 491.7 km
Los Angeles Intl. Airport 494.0 km
General William J. Fox Airfield 494.3 km
Mojave Air & Space Port Flughafen 496.0 km
San Clemente Island Flughafen 498.7 km
Hawthorne Municipal Airport 499.5 km
Zamperini Field 503.0 km
Catalina Airport 506.1 km
Downtown Los Angeles 506.8 km
Long Beach Airport 520.5 km
San Gabriel Valley Airport 526.4 km
Joint Forces Training Base 530.9 km

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