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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 - Valley Springs Abstand
Modesto 30.7 km
Placerville Airport 35.4 km
Stockton Metropolitan Airport 46.5 km
Columbia Flughafen 48.8 km
Castle Air Force Base 53.1 km
Auburn Flughafen 53.9 km
Sacramento Mather Flughafen 55.5 km
Merced Regional Airport 60.9 km
Nevada 64.7 km
Blue Canyon 67.2 km
Sacramento McClellan Airport 68.6 km
Lincoln Flughafen 71.5 km
Sacramento Executive Airport 75.0 km
Beale Air Force Base 86.8 km
Sacramento Flughafen 88.6 km
Hollister Flughafen 94.8 km
Yuba 97.3 km
South County Arpt Of Santa Clara County 102.9 km
Truckee Tahoe Airport 104.1 km
Lake Tahoe Airport 104.4 km
Madera Municipal Airport 104.9 km
Davis Flughafen 106.8 km
Livermore Municipal Airport 110.5 km
Oroville Municipal Airport 116.2 km
Reid- Hillview Airport 117.1 km
Salinas Municipal Airport 118.9 km
Travis Air Force Base 120.8 km
Nut Tree Airport 123.2 km
Watsonville Flughafen 125.0 km
San José Flughafen 127.7 km
Buchanan Field Airport 133.9 km
Carson City Flughafen 137.9 km
Reno Stead Airport 138.6 km
Moffett Federal Airfield 139.9 km
Reno-Tahoe Flughafen 141.4 km
Paso Robles Municipal Airport 142.4 km
Naval Air Station Lemoore 142.5 km
Monterey Regional Airport 143.0 km
Hayward Executive Airport 143.6 km
Palo Alto Flughafen 146.2 km
Chico Municipal Airport 146.7 km
Fresno Yosemite Intl. Airport 147.6 km
Metropolitan Oakland Flughafen 153.9 km
Napa Flughafen 159.3 km
San Carlos Airport 159.9 km
San Luis Obispo County Regional Airport 166.4 km
Hanford Municipal Airport 170.9 km
San Francisco Intl. Airport 173.3 km
Half Moon Bay Airport 187.2 km
Santa Maria Public Airport 188.8 km
Marin 189.9 km
Visalia Municipal Airport 190.7 km
Alturas Flughafen 194.5 km
Red Bluff Municipal Airport 195.1 km
Petaluma Flughafen 195.5 km
Vandenberg Space Force Base 196.5 km
Lompoc Flughafen 201.4 km
Redding Municipal Airport 212.3 km
Santa Ynez Flughafen 216.9 km
Santa Rose Airport 220.1 km
Mammoth Yosemite Airport 225.6 km
Porterville Flughafen 230.7 km
Lake County Airport 234.1 km
Santa Barbara Municipal Airport 236.8 km
Mount Shasta 247.1 km
Hawthorne Industrial Airport 247.7 km
Naval Air Station Fallon Airport 249.5 km
Meadows Field Airport 250.3 km
Crater Lake 251.4 km
Trinity Center 264.6 km
Ukiah Flughafen 268.2 km
Derby Field 275.6 km
Weaverville 277.1 km
Siskiyou 279.0 km
Eastern Sierra Regional Airport 279.6 km
Oxnard Airport 285.8 km
Camarillo Flughafen 292.9 km
Naval Air Station Point Mugu 295.1 km
Sandberg Airport 300.8 km
Tehachapi Municipal Airport 315.0 km
Medford Flughafen 335.0 km
Van Nuys Flughafen 340.4 km
Whiteman Airport 344.4 km
Mojave Air & Space Port Flughafen 344.5 km
General William J. Fox Airfield 346.9 km
Santa Monica Municipal Airport 350.3 km
Burbank 352.3 km
Palmdale Regional Airport 362.9 km
Downtown Los Angeles 367.4 km
Winnemucca Flughafen 371.4 km
Edwards 374.0 km
Edwards Air Force Base 374.4 km
Naval Air Weapons Station China Lake 376.8 km
San Gabriel Valley Airport 383.8 km
Rohnerville Airport 393.0 km
Arcata-Eureka Airport 402.1 km
Grey Butte Field Airport 403.5 km
Brackett Field 405.9 km
Rome State Airport 411.2 km
Tonopah Airport 419.3 km

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