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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 - Half Moon Bay Abstand
San Carlos Airport 8.0 km
San Francisco Intl. Airport 11.6 km
Metropolitan Oakland Flughafen 19.4 km
Half Moon Bay Airport 20.6 km
Palo Alto Flughafen 22.3 km
Hayward Executive Airport 25.2 km
Moffett Federal Airfield 29.8 km
Buchanan Field Airport 42.7 km
San José Flughafen 44.1 km
Napa Flughafen 44.6 km
Marin 48.4 km
Reid- Hillview Airport 56.2 km
Petaluma Flughafen 57.2 km
Livermore Municipal Airport 57.3 km
Travis Air Force Base 63.7 km
Nut Tree Airport 67.1 km
Watsonville Flughafen 67.2 km
Monterey Regional Airport 73.7 km
South County Arpt Of Santa Clara County 83.3 km
Santa Rose Airport 84.0 km
Davis Flughafen 86.3 km
Salinas Municipal Airport 92.7 km
Hollister Flughafen 106.4 km
Sacramento Flughafen 108.5 km
Sacramento Executive Airport 110.1 km
Stockton Metropolitan Airport 121.4 km
Sacramento McClellan Airport 124.0 km
Yuba 127.4 km
Sacramento Mather Flughafen 129.8 km
Lincoln Flughafen 136.8 km
Beale Air Force Base 138.8 km
Ukiah Flughafen 140.3 km
Oroville Municipal Airport 142.0 km
Chico Municipal Airport 146.5 km
Modesto 152.4 km
Red Bluff Municipal Airport 159.7 km
Auburn Flughafen 162.3 km
Nevada 178.7 km
Redding Municipal Airport 180.5 km
Placerville Airport 188.8 km
Castle Air Force Base 194.7 km
Merced Regional Airport 200.7 km
Blue Canyon 207.1 km
Weaverville 208.0 km
Columbia Flughafen 214.3 km
Trinity Center 214.5 km
Paso Robles Municipal Airport 214.6 km
San Luis Obispo County Regional Airport 227.0 km
Mount Shasta 229.0 km
Madera Municipal Airport 246.6 km
Vandenberg Space Force Base 250.4 km
Santa Maria Public Airport 255.5 km
Siskiyou 257.8 km
Lompoc Flughafen 262.2 km
Truckee Tahoe Airport 265.4 km
Lake Tahoe Airport 271.1 km
Naval Air Station Lemoore 271.4 km
Rohnerville Airport 276.2 km
Arcata-Eureka Airport 289.4 km
Fresno Yosemite Intl. Airport 292.2 km
Santa Ynez Flughafen 299.0 km
Reno Stead Airport 299.6 km
Carson City Flughafen 304.2 km
Reno-Tahoe Flughafen 305.2 km
Alturas Flughafen 306.8 km
Hanford Municipal Airport 307.7 km
Santa Barbara Municipal Airport 326.7 km
Visalia Municipal Airport 331.2 km
Crescent City 339.1 km
Porterville Flughafen 371.3 km
Meadows Field Airport 381.5 km
Mammoth Yosemite Airport 387.2 km
Oxnard Airport 393.5 km
Naval Outlying Landing Field San Nicolas 400.3 km
Camarillo Flughafen 403.8 km
Naval Air Station Point Mugu 403.8 km
Hawthorne Industrial Airport 414.4 km
Naval Air Station Fallon Airport 417.2 km
Sandberg Airport 427.4 km
Eastern Sierra Regional Airport 439.7 km
Derby Field 442.4 km
Tehachapi Municipal Airport 451.1 km
Van Nuys Flughafen 464.2 km
Whiteman Airport 469.9 km
Santa Monica Municipal Airport 472.1 km
Burbank 478.1 km
Los Angeles Intl. Airport 480.2 km
General William J. Fox Airfield 481.0 km
Mojave Air & Space Port Flughafen 482.9 km
San Clemente Island Flughafen 484.6 km
Hawthorne Municipal Airport 485.7 km
Zamperini Field 489.2 km
Catalina Airport 492.2 km
Downtown Los Angeles 493.2 km
Long Beach Airport 506.8 km
San Gabriel Valley Airport 512.9 km
Joint Forces Training Base 517.2 km

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