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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 - Boulder Creek Abstand
Moffett Federal Airfield 18.3 km
Palo Alto Flughafen 19.7 km
San José Flughafen 25.2 km
San Carlos Airport 27.1 km
Hayward Executive Airport 31.6 km
Reid- Hillview Airport 35.4 km
Metropolitan Oakland Flughafen 37.3 km
Watsonville Flughafen 38.9 km
San Francisco Intl. Airport 41.3 km
Monterey Regional Airport 44.0 km
Livermore Municipal Airport 47.2 km
Half Moon Bay Airport 48.3 km
Buchanan Field Airport 50.8 km
South County Arpt Of Santa Clara County 57.9 km
Salinas Municipal Airport 63.7 km
Napa Flughafen 66.6 km
Travis Air Force Base 69.9 km
Nut Tree Airport 75.1 km
Marin 77.5 km
Hollister Flughafen 79.9 km
Petaluma Flughafen 86.3 km
Davis Flughafen 90.2 km
Sacramento Executive Airport 106.2 km
Stockton Metropolitan Airport 106.4 km
Sacramento Flughafen 108.9 km
Santa Rose Airport 113.6 km
Sacramento McClellan Airport 120.2 km
Sacramento Mather Flughafen 123.0 km
Yuba 130.7 km
Modesto 133.1 km
Lincoln Flughafen 134.4 km
Beale Air Force Base 139.7 km
Oroville Municipal Airport 148.9 km
Auburn Flughafen 156.4 km
Chico Municipal Airport 159.0 km
Ukiah Flughafen 170.0 km
Castle Air Force Base 173.0 km
Nevada 173.8 km
Placerville Airport 177.6 km
Merced Regional Airport 178.3 km
Red Bluff Municipal Airport 179.5 km
Paso Robles Municipal Airport 185.7 km
Columbia Flughafen 196.4 km
San Luis Obispo County Regional Airport 197.6 km
Blue Canyon 199.6 km
Redding Municipal Airport 200.8 km
Vandenberg Space Force Base 220.7 km
Madera Municipal Airport 222.8 km
Santa Maria Public Airport 226.0 km
Lompoc Flughafen 232.5 km
Weaverville 234.0 km
Trinity Center 238.5 km
Naval Air Station Lemoore 245.5 km
Mount Shasta 249.1 km
Truckee Tahoe Airport 254.0 km
Lake Tahoe Airport 256.9 km
Fresno Yosemite Intl. Airport 268.0 km
Santa Ynez Flughafen 269.6 km
Siskiyou 279.1 km
Hanford Municipal Airport 282.2 km
Reno Stead Airport 288.6 km
Carson City Flughafen 290.3 km
Reno-Tahoe Flughafen 292.9 km
Santa Barbara Municipal Airport 297.5 km
Visalia Municipal Airport 306.0 km
Rohnerville Airport 306.0 km
Alturas Flughafen 308.0 km
Arcata-Eureka Airport 319.1 km
Porterville Flughafen 345.6 km
Meadows Field Airport 354.7 km
Oxnard Airport 364.8 km
Mammoth Yosemite Airport 365.9 km
Crescent City 368.3 km
Naval Outlying Landing Field San Nicolas 370.7 km
Naval Air Station Point Mugu 375.1 km
Camarillo Flughafen 375.2 km
Hawthorne Industrial Airport 395.7 km
Sandberg Airport 399.8 km
Naval Air Station Fallon Airport 401.3 km
Eastern Sierra Regional Airport 417.7 km
Tehachapi Municipal Airport 424.4 km
Derby Field 428.1 km
Van Nuys Flughafen 436.3 km
Whiteman Airport 442.1 km
Santa Monica Municipal Airport 444.0 km
Burbank 450.3 km
Los Angeles Intl. Airport 452.1 km
General William J. Fox Airfield 454.0 km
San Clemente Island Flughafen 455.6 km
Mojave Air & Space Port Flughafen 456.4 km
Hawthorne Municipal Airport 457.6 km
Zamperini Field 461.0 km
Catalina Airport 463.5 km
Downtown Los Angeles 465.3 km
Long Beach Airport 478.7 km
San Gabriel Valley Airport 485.2 km
Joint Forces Training Base 489.3 km

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