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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.


Poblíž povětrnostní stanice - Ione Vzdálenost
Placerville (Letiště) 30.7 km
Modesto 39.2 km
Auburn (Letiště) 40.4 km
Stockton Metropolitan (Letiště) 42.6 km
Sacramento Mather (Letiště) 43.0 km
Nevada 52.6 km
Sacramento McClellan (Letiště) 55.8 km
Lincoln (Letiště) 57.7 km
Columbia (Letiště) 60.0 km
Blue Canyon 60.2 km
Sacramento Executive (Letiště) 63.5 km
Castle (Letiště) 67.0 km
Bealeova letecká základna 72.9 km
Merced Regional (Letiště) 74.9 km
Sacramento Intl. Airport 76.4 km
Yuba 83.8 km
Davis Letiště 95.8 km
Hollister Letiště 97.7 km
Oroville Municipal (Letiště) 102.3 km
South County Arpt Of Santa Clara County 102.7 km
Livermore Municipal (Letiště) 104.6 km
Truckee Tahoe (Letiště) 105.5 km
Lake Tahoe (Letiště) 109.4 km
Travisova letecká základna 111.4 km
Nut Tree (Letiště) 113.2 km
Reid- Hillview (Letiště) 113.7 km
Madera Municipal (Letiště) 118.7 km
Salinas Municipal (Letiště) 120.8 km
San Jose Intl. Airport 123.5 km
Watsonville Municipal (Letiště) 124.0 km
Buchanan Field (Letiště) 125.8 km
Chico Municipal (Letiště) 132.8 km
Moffett Federal Airfield 134.9 km
Hayward Executive (Letiště) 137.1 km
Reno Stead (Letiště) 140.1 km
Palo Alto Letiště 140.7 km
Carson City Letiště 142.4 km
Monterey Regional (Letiště) 143.2 km
Reno 144.3 km
Oakland Intl. Airport 146.9 km
Napa (Letiště) 150.1 km
San Carlos (Letiště) 153.8 km
Paso Robles Municipal (Letiště) 154.6 km
Naval Air Station Lemoore 156.5 km
Fresno Yosemite Intl. Airport 161.0 km
San Francisco Intl. Airport 166.5 km
San Luis Obispo County Regional (Letiště) 178.4 km
Eddie Andreini Sr. Airfield 180.6 km
Marin 180.9 km
Red Bluff Municipal (Letiště) 181.4 km
Hanford Municipal (Letiště) 184.6 km
Petaluma (Letiště) 186.2 km
Alturas Letiště 186.5 km
Redding Municipal (Letiště) 198.4 km
Santa Maria Public (Letiště) 201.4 km
Visalia Municipal (Letiště) 204.1 km
Vandenbergova vesmírná základna 208.6 km
Santa Rose Airport 210.0 km
Lompoc (Letiště) 213.9 km
Lake County (Letiště) 226.5 km
Santa Ynez (Letiště) 230.3 km
Mount Shasta 233.1 km
Mammoth Yosemite (Letiště) 236.3 km
Crater Lake 238.3 km
Porterville (Letiště) 244.0 km
Santa Barbara Municipal (Letiště) 250.5 km
Trinity Center 250.7 km
Naval Air Station Fallon (Letiště) 255.8 km
Hawthorne Industrial (Letiště) 256.3 km
Ukiah (Letiště) 256.9 km
Weaverville 263.5 km
Meadows Field (Letiště) 263.9 km
Siskiyou 265.0 km
Derby Field 280.6 km
Eastern Sierra Regional (Letiště) 290.5 km
Oxnard (Letiště) 299.8 km
Camarillo (Letiště) 306.9 km
Naval Air Station Point Mugu 309.1 km
Sandberg (Letiště) 314.5 km
Medford Letiště 321.0 km
Tehachapi Municipal (Letiště) 328.3 km
Van Nuys (Letiště) 354.2 km
Mojave Air and Space Port (Letiště) 357.6 km
Whiteman (Letiště) 358.1 km
General William J. Fox Airfield 360.3 km
Santa Monica (Letiště) 364.0 km
Burbank 366.0 km
Winnemucca Letiště 376.2 km
Palmdale Regional (Letiště) 376.2 km
Rohnerville (Letiště) 380.5 km
Downtown 381.0 km
Edwards 387.0 km
Edwardsova letecká základna 387.4 km
Naval Air Weapons Station China Lake 389.1 km
Arcata 389.4 km
San Gabriel Valley (Letiště) 397.3 km
Rome State (Letiště) 413.2 km
Grey Butte Field (Letiště) 416.6 km
Brackett Field 419.2 km
Crescent City 421.9 km

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