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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.


Estações Meteorológicas Próximas - Penitenciária Estadual de San Quentin Distância
Marin 16.0 km
Aeroporto Internacional de São Francisco 21.1 km
Petaluma Aeroporto 24.8 km
Eddie Andreini Sr. Airfield 25.4 km
Napa Aeroporto 26.6 km
Aeroporto Internacional de Oakland 30.3 km
San Carlos Airport 34.6 km
Hayward Executive Airport 42.1 km
Buchanan Field Airport 46.5 km
Palo Alto Aeroporto 47.8 km
Santa Rose Airport 52.4 km
Moffett Federal Airfield 55.6 km
Travis Air Force Base 62.6 km
Nut Tree Airport 63.0 km
San Jose Intl. Airport 69.3 km
Livermore Municipal Airport 73.7 km
Reid- Hillview Airport 80.6 km
Davis Aeroporto 83.6 km
Watsonville Municipal Airport 96.4 km
Monterey Regional Airport 105.4 km
Aeroporto Internacional de Sacramento 107.4 km
Ukiah Aeroporto 108.9 km
South County Arpt Of Santa Clara County 109.1 km
Sacramento Executive Airport 113.3 km
Yuba 121.6 km
Salinas Municipal Airport 122.1 km
Sacramento McClellan Airport 126.3 km
Chico Municipal Airport 129.3 km
Oroville Municipal Airport 131.4 km
Hollister Aeroporto 132.6 km
Red Bluff Municipal Airport 134.2 km
Sacramento Mather Airport 134.8 km
Beale Air Force Base 135.0 km
Stockton Metropolitan Airport 135.5 km
Lincoln Aeroporto 136.8 km
Redding Municipal Airport 154.1 km
Auburn Aeroporto 164.9 km
Modesto 169.7 km
Weaverville 176.6 km
Nevada 179.6 km
Trinity Center 184.6 km
Placerville Airport 196.2 km
Monte Shasta 202.3 km
Blue Canyon 210.1 km
Castle Airport 213.8 km
Merced Regional Airport 220.3 km
Columbia Aeroporto 228.5 km
Siskiyou 229.9 km
Paso Robles Municipal Airport 243.0 km
Rohnerville Airport 245.0 km
San Luis Obispo County Regional Airport 256.7 km
Arcata 257.9 km
Madera Municipal Airport 267.5 km
Truckee Tahoe Airport 271.8 km
Lake Tahoe Airport 280.6 km
Base da Força Espacial de Vandenberg 281.0 km
Santa Maria Public Airport 285.3 km
Lompoc Aeroporto 292.5 km
Naval Air Station Lemoore 294.9 km
Alturas Aeroporto 298.8 km
Reno Stead Airport 305.2 km
Crescent City 306.8 km
Reno 312.0 km
Carson City Aeroporto 312.8 km
Fresno Yosemite Intl. Airport 313.4 km
Santa Ynez Aeroporto 328.2 km
Hanford Municipal Airport 330.5 km
Visalia Municipal Airport 353.7 km
Santa Barbara Municipal Airport 355.6 km
Porterville Aeroporto 394.1 km
Mammoth Yosemite Airport 404.2 km
Meadows Field Airport 406.0 km
Oxnard Airport 421.3 km
Naval Air Station Fallon Airport 427.5 km
Hawthorne Industrial Airport 428.0 km
Naval Outlying Landing Field San Nicolas 430.1 km
Camarillo Aeroporto 431.2 km
Naval Air Station Point Mugu 431.5 km
Derby Field 450.5 km
Sandberg Airport 452.9 km
Eastern Sierra Regional Airport 457.5 km
Tehachapi Municipal Airport 475.2 km
Van Nuys Aeroporto 490.4 km
Whiteman Airport 495.8 km
Santa Monica Airport 498.6 km
Burbank 504.0 km
General William J. Fox Airfield 505.6 km
Aeroporto Internacional de Los Angeles 506.7 km
Porto Espacial e Aéreo de Mojave Aeroporto 506.8 km
Hawthorne Municipal Airport 512.2 km
Ilha de San Clemente Aeroporto 513.0 km
Zamperini Field 515.9 km
Centro de Los Angeles 519.2 km
Catalina Airport 519.6 km
Long Beach Airport 533.0 km
San Gabriel Valley Airport 538.5 km
Joint Forces Training Base 543.4 km