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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 - South Lake Tahoe Vzdálenost
Lake Tahoe (Letiště) 0.4 km
Truckee Tahoe (Letiště) 27.6 km
Carson City Letiště 33.9 km
Reno 41.1 km
Reno Stead (Letiště) 44.8 km
Columbia (Letiště) 67.1 km
Blue Canyon 82.6 km
Placerville (Letiště) 84.4 km
Castle (Letiště) 106.2 km
Merced Regional (Letiště) 107.4 km
Madera Municipal (Letiště) 108.6 km
Nevada 113.2 km
Auburn (Letiště) 120.9 km
Fresno Yosemite Intl. Airport 122.4 km
Modesto 127.7 km
Naval Air Station Lemoore 142.9 km
Sacramento Mather (Letiště) 146.1 km
Mammoth Yosemite (Letiště) 146.9 km
Naval Air Station Fallon (Letiště) 147.3 km
Hanford Municipal (Letiště) 149.2 km
Stockton Metropolitan (Letiště) 150.3 km
Lincoln (Letiště) 150.4 km
Hawthorne Industrial (Letiště) 153.3 km
Sacramento McClellan (Letiště) 156.5 km
Visalia Municipal (Letiště) 157.3 km
Alturas Letiště 157.5 km
Bealeova letecká základna 160.1 km
Sacramento Executive (Letiště) 167.9 km
Derby Field 171.7 km
Yuba 174.8 km
Sacramento Intl. Airport 177.5 km
Oroville Municipal (Letiště) 183.6 km
Lake County (Letiště) 188.2 km
Porterville (Letiště) 188.9 km
Hollister Letiště 194.0 km
Paso Robles Municipal (Letiště) 194.9 km
Eastern Sierra Regional (Letiště) 200.0 km
Davis Letiště 200.0 km
South County Arpt Of Santa Clara County 205.8 km
Chico Municipal (Letiště) 212.0 km
Livermore Municipal (Letiště) 213.5 km
Meadows Field (Letiště) 217.6 km
San Luis Obispo County Regional (Letiště) 217.9 km
Travisova letecká základna 218.3 km
Salinas Municipal (Letiště) 218.9 km
Nut Tree (Letiště) 219.2 km
Reid- Hillview (Letiště) 221.2 km
Watsonville Municipal (Letiště) 228.1 km
Santa Maria Public (Letiště) 229.6 km
San Jose Intl. Airport 231.7 km
Buchanan Field (Letiště) 234.2 km
Santa Ynez (Letiště) 239.3 km
Lompoc (Letiště) 242.9 km
Moffett Federal Airfield 243.5 km
Vandenbergova vesmírná základna 243.7 km
Monterey Regional (Letiště) 244.9 km
Hayward Executive (Letiště) 246.0 km
Santa Barbara Municipal (Letiště) 248.6 km
Palo Alto Letiště 249.6 km
Oakland Intl. Airport 255.7 km
Napa (Letiště) 256.9 km
Red Bluff Municipal (Letiště) 260.6 km
San Carlos (Letiště) 262.8 km
Crater Lake 266.3 km
Sandberg (Letiště) 266.8 km
Winnemucca Letiště 267.5 km
Tehachapi Municipal (Letiště) 268.3 km
Redding Municipal (Letiště) 272.1 km
Oxnard (Letiště) 273.3 km
San Francisco Intl. Airport 275.4 km
Camarillo (Letiště) 276.4 km
Naval Air Station Point Mugu 280.4 km
Marin 287.9 km
Eddie Andreini Sr. Airfield 289.5 km
Petaluma (Letiště) 292.4 km
Mojave Air and Space Port (Letiště) 292.4 km
Mount Shasta 293.0 km
General William J. Fox Airfield 300.0 km
Van Nuys (Letiště) 305.4 km
Whiteman (Letiště) 307.2 km
Rome State (Letiště) 309.3 km
Naval Air Weapons Station China Lake 310.3 km
Burbank 314.2 km
Palmdale Regional (Letiště) 314.3 km
Santa Rose Airport 314.3 km
Santa Monica (Letiště) 316.4 km
Edwards 317.5 km
Edwardsova letecká základna 319.2 km
Siskiyou 321.1 km
Trinity Center 323.2 km
Tonopah (Letiště) 327.8 km
Downtown 328.0 km
San Gabriel Valley (Letiště) 339.8 km
Weaverville 342.5 km
Grey Butte Field (Letiště) 348.3 km
Ukiah (Letiště) 356.6 km
Brackett Field 357.0 km
Southern California Logistics (Letiště) 371.4 km
Letiště Ontario 372.7 km
Medford Letiště 377.2 km

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