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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 - Ripon Vzdálenost
Stockton Metropolitan (Letiště) 16.7 km
Modesto 20.1 km
Sacramento Mather (Letiště) 49.6 km
Sacramento Executive (Letiště) 60.1 km
Hollister Letiště 60.1 km
Sacramento McClellan (Letiště) 60.9 km
Castle (Letiště) 64.9 km
South County Arpt Of Santa Clara County 66.6 km
Placerville (Letiště) 68.1 km
Auburn (Letiště) 68.4 km
Lincoln (Letiště) 70.9 km
Merced Regional (Letiště) 72.3 km
Sacramento Intl. Airport 75.4 km
Livermore Municipal (Letiště) 78.0 km
Columbia (Letiště) 79.6 km
Reid- Hillview (Letiště) 81.9 km
Salinas Municipal (Letiště) 83.4 km
Nevada 84.7 km
Bealeova letecká základna 86.5 km
Davis Letiště 86.8 km
Watsonville Municipal (Letiště) 88.6 km
Yuba 92.0 km
San Jose Intl. Airport 93.0 km
Travisova letecká základna 95.5 km
Blue Canyon 97.5 km
Nut Tree (Letiště) 99.1 km
Buchanan Field (Letiště) 104.7 km
Moffett Federal Airfield 105.9 km
Monterey Regional (Letiště) 106.8 km
Hayward Executive (Letiště) 111.5 km
Palo Alto Letiště 112.7 km
Oroville Municipal (Letiště) 114.5 km
Madera Municipal (Letiště) 120.2 km
Oakland Intl. Airport 122.5 km
San Carlos (Letiště) 127.0 km
Paso Robles Municipal (Letiště) 131.5 km
Napa (Letiště) 132.2 km
Lake Tahoe (Letiště) 140.2 km
Truckee Tahoe (Letiště) 140.4 km
San Francisco Intl. Airport 141.3 km
Chico Municipal (Letiště) 142.9 km
Naval Air Station Lemoore 153.1 km
San Luis Obispo County Regional (Letiště) 153.9 km
Eddie Andreini Sr. Airfield 154.7 km
Marin 161.8 km
Fresno Yosemite Intl. Airport 165.7 km
Petaluma (Letiště) 168.2 km
Carson City Letiště 173.8 km
Reno Stead (Letiště) 174.9 km
Reno 177.7 km
Santa Maria Public (Letiště) 179.4 km
Vandenbergova vesmírná základna 183.9 km
Hanford Municipal (Letiště) 185.8 km
Red Bluff Municipal (Letiště) 188.0 km
Lompoc (Letiště) 190.9 km
Santa Rose Airport 194.3 km
Redding Municipal (Letiště) 207.2 km
Visalia Municipal (Letiště) 207.7 km
Santa Ynez (Letiště) 213.2 km
Alturas Letiště 222.6 km
Santa Barbara Municipal (Letiště) 236.2 km
Ukiah (Letiště) 245.6 km
Mount Shasta 246.9 km
Porterville (Letiště) 248.3 km
Mammoth Yosemite (Letiště) 253.7 km
Trinity Center 258.1 km
Meadows Field (Letiště) 264.3 km
Weaverville 267.0 km
Siskiyou 279.3 km
Hawthorne Industrial (Letiště) 279.7 km
Naval Air Station Fallon (Letiště) 284.0 km
Oxnard (Letiště) 292.0 km
Camarillo (Letiště) 300.3 km
Naval Air Station Point Mugu 301.8 km
Eastern Sierra Regional (Letiště) 306.9 km
Derby Field 311.1 km
Sandberg (Letiště) 313.7 km
Naval Outlying Landing Field San Nicolas 314.8 km
Tehachapi Municipal (Letiště) 331.6 km
Van Nuys (Letiště) 352.7 km
Whiteman (Letiště) 357.3 km
Santa Monica (Letiště) 362.0 km
Mojave Air and Space Port (Letiště) 362.2 km
General William J. Fox Airfield 363.0 km
Burbank 365.4 km
Los Angeles Intl. Airport 370.1 km
Rohnerville (Letiště) 375.0 km
Hawthorne Municipal (Letiště) 375.2 km
Palmdale Regional (Letiště) 379.3 km
Zamperini Field 379.8 km
Downtown 380.6 km
San Clemente Island (Letiště) 384.9 km
Arcata 385.2 km
Catalina (Letiště) 386.7 km
Edwardsova letecká základna 392.6 km
Edwards 392.8 km
Long Beach (Letiště) 395.2 km
San Gabriel Valley (Letiště) 398.3 km
Naval Air Weapons Station China Lake 398.7 km
Joint Forces Training Base 405.0 km

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