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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 - Redwood City Abstand
San Carlos Airport 7.4 km
Palo Alto Flughafen 9.5 km
Hayward Executive Airport 16.6 km
Moffett Federal Airfield 16.7 km
Metropolitan Oakland Flughafen 17.9 km
San Francisco Intl. Airport 23.1 km
San José Flughafen 31.0 km
Half Moon Bay Airport 33.7 km
Buchanan Field Airport 36.6 km
Reid- Hillview Airport 43.1 km
Livermore Municipal Airport 45.5 km
Napa Flughafen 47.2 km
Watsonville Flughafen 55.0 km
Travis Air Force Base 57.5 km
Marin 58.0 km
Nut Tree Airport 61.8 km
Monterey Regional Airport 63.5 km
Petaluma Flughafen 66.7 km
South County Arpt Of Santa Clara County 70.2 km
Davis Flughafen 79.5 km
Salinas Municipal Airport 80.6 km
Hollister Flughafen 93.4 km
Santa Rose Airport 94.4 km
Sacramento Flughafen 100.5 km
Sacramento Executive Airport 100.7 km
Stockton Metropolitan Airport 109.2 km
Sacramento McClellan Airport 114.7 km
Sacramento Mather Flughafen 119.6 km
Yuba 120.7 km
Lincoln Flughafen 128.1 km
Beale Air Force Base 131.3 km
Oroville Municipal Airport 136.9 km
Modesto 139.6 km
Chico Municipal Airport 144.1 km
Ukiah Flughafen 150.9 km
Auburn Flughafen 152.5 km
Red Bluff Municipal Airport 161.3 km
Nevada 169.3 km
Placerville Airport 177.7 km
Castle Air Force Base 181.7 km
Redding Municipal Airport 182.5 km
Merced Regional Airport 187.6 km
Blue Canyon 197.0 km
Columbia Flughafen 201.7 km
Paso Robles Municipal Airport 202.3 km
Weaverville 214.1 km
San Luis Obispo County Regional Airport 215.2 km
Trinity Center 219.1 km
Mount Shasta 231.0 km
Madera Municipal Airport 233.5 km
Vandenberg Space Force Base 239.1 km
Santa Maria Public Airport 243.8 km
Lompoc Flughafen 250.7 km
Truckee Tahoe Airport 254.3 km
Naval Air Station Lemoore 258.3 km
Lake Tahoe Airport 259.4 km
Siskiyou 260.5 km
Fresno Yosemite Intl. Airport 279.1 km
Santa Ynez Flughafen 287.0 km
Rohnerville Airport 287.0 km
Reno Stead Airport 288.7 km
Carson City Flughafen 292.5 km
Reno-Tahoe Flughafen 293.9 km
Hanford Municipal Airport 294.6 km
Alturas Flughafen 299.8 km
Arcata-Eureka Airport 299.9 km
Santa Barbara Municipal Airport 314.6 km
Visalia Municipal Airport 318.1 km
Crescent City 348.6 km
Porterville Flughafen 358.2 km
Meadows Field Airport 368.5 km
Mammoth Yosemite Airport 374.3 km
Oxnard Airport 381.1 km
Naval Outlying Landing Field San Nicolas 388.6 km
Camarillo Flughafen 391.2 km
Naval Air Station Point Mugu 391.4 km
Hawthorne Industrial Airport 401.8 km
Naval Air Station Fallon Airport 405.2 km
Sandberg Airport 414.5 km
Eastern Sierra Regional Airport 426.7 km
Derby Field 430.7 km
Tehachapi Municipal Airport 438.1 km
Van Nuys Flughafen 451.4 km
Whiteman Airport 457.1 km
Santa Monica Municipal Airport 459.4 km
Burbank 465.3 km
Los Angeles Intl. Airport 467.5 km
General William J. Fox Airfield 468.0 km
Mojave Air & Space Port Flughafen 469.9 km
San Clemente Island Flughafen 472.3 km
Hawthorne Municipal Airport 473.0 km
Zamperini Field 476.5 km
Catalina Airport 479.6 km
Downtown Los Angeles 480.4 km
Long Beach Airport 494.0 km
San Gabriel Valley Airport 500.0 km
Joint Forces Training Base 504.4 km

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