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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 Jose/Reid Abstand
San José Flughafen 12.1 km
Livermore Municipal Airport 21.5 km
Watsonville Flughafen 23.8 km
Moffett Federal Airfield 26.4 km
South County Arpt Of Santa Clara County 28.5 km
Palo Alto Flughafen 34.3 km
Hayward Executive Airport 38.7 km
Monterey Regional Airport 44.2 km
Salinas Municipal Airport 45.9 km
Buchanan Field Airport 46.3 km
San Carlos Airport 49.4 km
Metropolitan Oakland Flughafen 50.4 km
Hollister Flughafen 52.0 km
Travis Air Force Base 56.4 km
Nut Tree Airport 62.5 km
San Francisco Intl. Airport 65.3 km
Davis Flughafen 70.4 km
Stockton Metropolitan Airport 71.2 km
Napa Flughafen 73.3 km
Half Moon Bay Airport 76.8 km
Sacramento Executive Airport 77.4 km
Sacramento Flughafen 83.6 km
Sacramento McClellan Airport 90.6 km
Sacramento Mather Flughafen 91.3 km
Marin 95.3 km
Modesto 98.0 km
Petaluma Flughafen 103.5 km
Lincoln Flughafen 105.5 km
Yuba 107.0 km
Beale Air Force Base 113.4 km
Auburn Flughafen 124.4 km
Oroville Municipal Airport 127.9 km
Santa Rose Airport 131.7 km
Castle Air Force Base 139.0 km
Nevada 142.2 km
Placerville Airport 143.1 km
Chico Municipal Airport 143.9 km
Merced Regional Airport 144.7 km
Columbia Flughafen 161.2 km
Paso Robles Municipal Airport 163.1 km
Blue Canyon 166.4 km
Red Bluff Municipal Airport 173.2 km
San Luis Obispo County Regional Airport 178.1 km
Ukiah Flughafen 187.7 km
Madera Municipal Airport 190.4 km
Redding Municipal Airport 194.7 km
Vandenberg Space Force Base 204.0 km
Santa Maria Public Airport 206.8 km
Lompoc Flughafen 214.8 km
Naval Air Station Lemoore 215.5 km
Truckee Tahoe Airport 219.1 km
Lake Tahoe Airport 221.5 km
Fresno Yosemite Intl. Airport 236.0 km
Weaverville 237.7 km
Trinity Center 237.8 km
Mount Shasta 241.8 km
Santa Ynez Flughafen 248.8 km
Hanford Municipal Airport 251.6 km
Reno Stead Airport 253.8 km
Carson City Flughafen 255.0 km
Reno-Tahoe Flughafen 257.8 km
Siskiyou 273.2 km
Visalia Municipal Airport 275.1 km
Santa Barbara Municipal Airport 275.8 km
Alturas Flughafen 279.3 km
Porterville Flughafen 315.2 km
Rohnerville Airport 323.3 km
Meadows Field Airport 326.1 km
Mammoth Yosemite Airport 331.9 km
Arcata-Eureka Airport 335.5 km
Oxnard Airport 340.8 km
Camarillo Flughafen 350.7 km
Naval Air Station Point Mugu 351.0 km
Naval Outlying Landing Field San Nicolas 351.3 km
Hawthorne Industrial Airport 360.7 km
Naval Air Station Fallon Airport 365.9 km
Sandberg Airport 372.5 km
Crescent City 381.0 km
Eastern Sierra Regional Airport 384.1 km
Derby Field 392.7 km
Tehachapi Municipal Airport 395.5 km
Van Nuys Flughafen 409.8 km
Whiteman Airport 415.3 km
Santa Monica Municipal Airport 418.0 km
Burbank 423.5 km
General William J. Fox Airfield 425.6 km
Los Angeles Intl. Airport 426.2 km
Mojave Air & Space Port Flughafen 427.2 km
Hawthorne Municipal Airport 431.6 km
San Clemente Island Flughafen 432.7 km
Zamperini Field 435.3 km
Downtown Los Angeles 438.7 km
Catalina Airport 439.0 km
Palmdale Regional Airport 442.0 km
Long Beach Airport 452.5 km
Edwards Air Force Base 458.1 km
San Gabriel Valley Airport 458.1 km
Edwards 458.8 km
Joint Forces Training Base 462.8 km

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