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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 - Modesto Abstand
Modesto 0.0 km
Stockton Metropolitan Airport 36.7 km
Castle Air Force Base 44.9 km
Merced Regional Airport 52.2 km
Columbia Flughafen 63.7 km
Sacramento Mather Flughafen 65.6 km
Placerville Airport 66.0 km
Hollister Flughafen 66.7 km
Auburn Flughafen 77.3 km
Sacramento McClellan Airport 77.9 km
South County Arpt Of Santa Clara County 78.8 km
Sacramento Executive Airport 78.9 km
Lincoln Flughafen 86.0 km
Nevada 91.3 km
Salinas Municipal Airport 91.4 km
Sacramento Flughafen 94.1 km
Livermore Municipal Airport 96.6 km
Blue Canyon 97.7 km
Reid- Hillview Airport 98.0 km
Madera Municipal Airport 100.1 km
Watsonville Flughafen 101.2 km
Beale Air Force Base 101.8 km
Davis Flughafen 106.7 km
Yuba 109.0 km
San José Flughafen 109.6 km
Travis Air Force Base 115.5 km
Monterey Regional Airport 117.2 km
Paso Robles Municipal Airport 117.5 km
Nut Tree Airport 119.2 km
Moffett Federal Airfield 123.1 km
Buchanan Field Airport 124.1 km
Lake Tahoe Airport 128.0 km
Hayward Executive Airport 129.9 km
Palo Alto Flughafen 130.2 km
Oroville Municipal Airport 130.7 km
Truckee Tahoe Airport 131.6 km
Naval Air Station Lemoore 133.3 km
San Luis Obispo County Regional Airport 140.8 km
Metropolitan Oakland Flughafen 141.1 km
San Carlos Airport 144.9 km
Fresno Yosemite Intl. Airport 145.7 km
Napa Flughafen 151.9 km
San Francisco Intl. Airport 159.6 km
Chico Municipal Airport 159.9 km
Carson City Flughafen 161.4 km
Santa Maria Public Airport 165.0 km
Reno Stead Airport 165.6 km
Hanford Municipal Airport 165.8 km
Reno-Tahoe Flughafen 167.0 km
Vandenberg Space Force Base 171.0 km
Half Moon Bay Airport 172.7 km
Lompoc Flughafen 177.0 km
Marin 181.3 km
Visalia Municipal Airport 187.6 km
Petaluma Flughafen 187.9 km
Santa Ynez Flughafen 196.8 km
Red Bluff Municipal Airport 206.1 km
Santa Rose Airport 214.2 km
Santa Barbara Municipal Airport 218.9 km
Alturas Flughafen 224.8 km
Redding Municipal Airport 224.9 km
Porterville Flughafen 228.2 km
Mammoth Yosemite Airport 235.0 km
Meadows Field Airport 244.4 km
Hawthorne Industrial Airport 262.7 km
Mount Shasta 263.3 km
Ukiah Flughafen 265.6 km
Naval Air Station Fallon Airport 269.1 km
Oxnard Airport 273.1 km
Trinity Center 276.3 km
Camarillo Flughafen 281.2 km
Naval Air Station Point Mugu 282.8 km
Weaverville 285.9 km
Eastern Sierra Regional Airport 287.9 km
Sandberg Airport 293.9 km
Siskiyou 295.7 km
Derby Field 297.4 km
Naval Outlying Landing Field San Nicolas 297.5 km
Tehachapi Municipal Airport 311.6 km
Van Nuys Flughafen 333.0 km
Whiteman Airport 337.5 km
Mojave Air & Space Port Flughafen 342.1 km
Santa Monica Municipal Airport 342.3 km
General William J. Fox Airfield 343.0 km
Burbank 345.6 km
Los Angeles Intl. Airport 350.4 km
Hawthorne Municipal Airport 355.5 km
Palmdale Regional Airport 359.2 km
Zamperini Field 360.1 km
Downtown Los Angeles 360.8 km
San Clemente Island Flughafen 365.9 km
Catalina Airport 367.3 km
Edwards Air Force Base 372.6 km
Edwards 372.7 km
Long Beach Airport 375.4 km
San Gabriel Valley Airport 378.4 km
Naval Air Weapons Station China Lake 378.8 km
Joint Forces Training Base 385.2 km
Fullerton Municipal Airport 389.2 km
Winnemucca Flughafen 393.3 km

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