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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 - Martinez Abstand
Buchanan Field Airport 11.1 km
Metropolitan Oakland Flughafen 16.6 km
Hayward Executive Airport 19.1 km
Napa Flughafen 19.9 km
Travis Air Force Base 29.4 km
San Carlos Airport 29.8 km
Palo Alto Flughafen 30.8 km
Nut Tree Airport 31.8 km
San Francisco Intl. Airport 33.9 km
Moffett Federal Airfield 35.3 km
Livermore Municipal Airport 40.7 km
San José Flughafen 44.6 km
Marin 46.2 km
Half Moon Bay Airport 47.9 km
Davis Flughafen 51.8 km
Petaluma Flughafen 53.3 km
Reid- Hillview Airport 53.3 km
Watsonville Flughafen 74.1 km
Sacramento Flughafen 75.0 km
Sacramento Executive Airport 79.1 km
Santa Rose Airport 80.8 km
South County Arpt Of Santa Clara County 81.2 km
Monterey Regional Airport 89.1 km
Yuba 92.3 km
Sacramento McClellan Airport 92.6 km
Salinas Municipal Airport 98.7 km
Sacramento Mather Flughafen 100.3 km
Stockton Metropolitan Airport 100.3 km
Lincoln Flughafen 104.1 km
Hollister Flughafen 104.2 km
Beale Air Force Base 104.5 km
Oroville Municipal Airport 106.2 km
Chico Municipal Airport 111.3 km
Red Bluff Municipal Airport 129.0 km
Auburn Flughafen 131.3 km
Modesto 135.1 km
Ukiah Flughafen 135.6 km
Nevada 146.7 km
Redding Municipal Airport 150.3 km
Placerville Airport 161.3 km
Blue Canyon 176.5 km
Castle Air Force Base 179.5 km
Merced Regional Airport 186.3 km
Weaverville 186.4 km
Trinity Center 189.0 km
Columbia Flughafen 193.2 km
Mount Shasta 198.7 km
Paso Robles Municipal Airport 215.7 km
Siskiyou 228.7 km
San Luis Obispo County Regional Airport 231.4 km
Madera Municipal Airport 233.8 km
Truckee Tahoe Airport 237.2 km
Lake Tahoe Airport 245.5 km
Vandenberg Space Force Base 257.3 km
Santa Maria Public Airport 260.0 km
Naval Air Station Lemoore 262.6 km
Lompoc Flughafen 268.1 km
Rohnerville Airport 270.5 km
Reno Stead Airport 270.9 km
Alturas Flughafen 271.7 km
Reno-Tahoe Flughafen 277.4 km
Carson City Flughafen 277.9 km
Fresno Yosemite Intl. Airport 279.7 km
Arcata-Eureka Airport 282.5 km
Hanford Municipal Airport 297.6 km
Santa Ynez Flughafen 301.7 km
Visalia Municipal Airport 320.5 km
Crescent City 327.6 km
Santa Barbara Municipal Airport 328.4 km
Porterville Flughafen 361.0 km
Mammoth Yosemite Airport 369.1 km
Meadows Field Airport 374.1 km
Oxnard Airport 392.3 km
Naval Air Station Fallon Airport 392.3 km
Hawthorne Industrial Airport 392.7 km
Camarillo Flughafen 401.9 km
Naval Air Station Point Mugu 402.5 km
Naval Outlying Landing Field San Nicolas 404.3 km
Derby Field 415.7 km
Sandberg Airport 421.7 km
Eastern Sierra Regional Airport 422.6 km
Tehachapi Municipal Airport 442.9 km
Van Nuys Flughafen 459.6 km
Whiteman Airport 464.9 km
Santa Monica Municipal Airport 468.1 km
Burbank 473.1 km
General William J. Fox Airfield 473.6 km
Mojave Air & Space Port Flughafen 474.2 km
Los Angeles Intl. Airport 476.3 km
Hawthorne Municipal Airport 481.6 km
San Clemente Island Flughafen 484.6 km
Zamperini Field 485.5 km
Downtown Los Angeles 488.2 km
Catalina Airport 490.1 km
Long Beach Airport 502.3 km
San Gabriel Valley Airport 507.1 km
Joint Forces Training Base 512.5 km

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