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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 - Byron Vzdálenost
Livermore Municipal (Letiště) 26.0 km
Stockton Metropolitan (Letiště) 39.0 km
Sacramento Executive (Letiště) 39.1 km
Reid- Hillview (Letiště) 39.4 km
Travisova letecká základna 43.9 km
Davis Letiště 44.1 km
South County Arpt Of Santa Clara County 45.8 km
San Jose Intl. Airport 46.8 km
Sacramento Intl. Airport 48.4 km
Nut Tree (Letiště) 48.8 km
Buchanan Field (Letiště) 50.6 km
Sacramento McClellan (Letiště) 51.6 km
Sacramento Mather (Letiště) 51.9 km
Moffett Federal Airfield 56.6 km
Watsonville Municipal (Letiště) 58.3 km
Hayward Executive (Letiště) 58.7 km
Hollister Letiště 60.4 km
Palo Alto Letiště 62.1 km
Lincoln (Letiště) 66.6 km
Oakland Intl. Airport 69.1 km
Salinas Municipal (Letiště) 70.0 km
Yuba 72.0 km
Modesto 73.6 km
San Carlos (Letiště) 75.2 km
Bealeova letecká základna 76.0 km
Napa (Letiště) 78.5 km
Monterey Regional (Letiště) 80.1 km
Auburn (Letiště) 85.1 km
San Francisco Intl. Airport 88.4 km
Oroville Municipal (Letiště) 94.6 km
Eddie Andreini Sr. Airfield 102.3 km
Nevada 102.9 km
Placerville (Letiště) 106.4 km
Marin 107.7 km
Petaluma (Letiště) 114.3 km
Chico Municipal (Letiště) 115.6 km
Castle (Letiště) 118.2 km
Merced Regional (Letiště) 125.2 km
Blue Canyon 127.8 km
Columbia (Letiště) 132.3 km
Santa Rose Airport 140.8 km
Red Bluff Municipal (Letiště) 152.6 km
Paso Robles Municipal (Letiště) 166.1 km
Madera Municipal (Letiště) 172.9 km
Redding Municipal (Letiště) 173.6 km
Truckee Tahoe (Letiště) 183.1 km
San Luis Obispo County Regional (Letiště) 185.1 km
Lake Tahoe (Letiště) 188.0 km
Ukiah (Letiště) 193.4 km
Naval Air Station Lemoore 203.4 km
Santa Maria Public (Letiště) 212.9 km
Vandenbergova vesmírná základna 213.5 km
Reno Stead (Letiště) 217.5 km
Mount Shasta 218.3 km
Fresno Yosemite Intl. Airport 218.7 km
Carson City Letiště 221.1 km
Trinity Center 221.1 km
Reno 222.5 km
Lompoc (Letiště) 222.8 km
Weaverville 225.7 km
Hanford Municipal (Letiště) 237.6 km
Alturas Letiště 240.1 km
Siskiyou 250.5 km
Santa Ynez (Letiště) 251.7 km
Visalia Municipal (Letiště) 260.1 km
Santa Barbara Municipal (Letiště) 277.0 km
Porterville (Letiště) 300.7 km
Mammoth Yosemite (Letiště) 307.7 km
Meadows Field (Letiště) 315.0 km
Rohnerville (Letiště) 325.3 km
Hawthorne Industrial (Letiště) 332.3 km
Naval Air Station Fallon (Letiště) 334.1 km
Arcata 336.2 km
Oxnard (Letiště) 337.6 km
Camarillo (Letiště) 346.6 km
Naval Air Station Point Mugu 347.6 km
Naval Outlying Landing Field San Nicolas 354.7 km
Derby Field 359.2 km
Eastern Sierra Regional (Letiště) 361.0 km
Sandberg (Letiště) 363.5 km
Crescent City 376.8 km
Tehachapi Municipal (Letiště) 383.3 km
Van Nuys (Letiště) 402.0 km
Whiteman (Letiště) 407.0 km
Santa Monica (Letiště) 410.9 km
Mojave Air and Space Port (Letiště) 414.3 km
General William J. Fox Airfield 414.3 km
Burbank 415.2 km
Los Angeles Intl. Airport 419.1 km
Hawthorne Municipal (Letiště) 424.3 km
Zamperini Field 428.5 km
Downtown 430.4 km
San Clemente Island (Letiště) 430.4 km
Palmdale Regional (Letiště) 430.7 km
Catalina (Letiště) 434.2 km
Long Beach (Letiště) 444.7 km
Edwardsova letecká základna 444.9 km
Edwards 445.2 km
San Gabriel Valley (Letiště) 448.7 km
Naval Air Weapons Station China Lake 452.2 km

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