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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 - San Mateo Vzdálenost
San Carlos (Letiště) 2.1 km
Oakland Intl. Airport 13.1 km
San Francisco Intl. Airport 13.9 km
Palo Alto Letiště 17.2 km
Hayward Executive (Letiště) 18.5 km
Moffett Federal Airfield 25.1 km
Eddie Andreini Sr. Airfield 26.0 km
Buchanan Field (Letiště) 36.0 km
San Jose Intl. Airport 39.5 km
Napa (Letiště) 40.4 km
Marin 48.6 km
Livermore Municipal (Letiště) 51.1 km
Reid- Hillview (Letiště) 51.5 km
Travisova letecká základna 57.1 km
Petaluma (Letiště) 57.4 km
Nut Tree (Letiště) 60.6 km
Watsonville Municipal (Letiště) 64.4 km
Monterey Regional (Letiště) 72.8 km
South County Arpt Of Santa Clara County 79.2 km
Davis Letiště 79.6 km
Santa Rose Airport 84.9 km
Salinas Municipal (Letiště) 90.1 km
Sacramento Intl. Airport 101.7 km
Hollister Letiště 102.5 km
Sacramento Executive (Letiště) 103.2 km
Stockton Metropolitan (Letiště) 115.2 km
Sacramento McClellan (Letiště) 117.2 km
Yuba 120.7 km
Sacramento Mather (Letiště) 123.0 km
Lincoln (Letiště) 130.0 km
Bealeova letecká základna 132.1 km
Oroville Municipal (Letiště) 135.6 km
Chico Municipal (Letiště) 140.8 km
Ukiah (Letiště) 141.4 km
Modesto 146.7 km
Red Bluff Municipal (Letiště) 155.5 km
Auburn (Letiště) 155.5 km
Nevada 171.8 km
Redding Municipal (Letiště) 176.4 km
Placerville (Letiště) 182.1 km
Castle (Letiště) 189.3 km
Merced Regional (Letiště) 195.3 km
Blue Canyon 200.3 km
Weaverville 206.0 km
Columbia (Letiště) 208.2 km
Paso Robles Municipal (Letiště) 211.7 km
Trinity Center 211.7 km
San Luis Obispo County Regional (Letiště) 224.7 km
Mount Shasta 224.9 km
Madera Municipal (Letiště) 241.6 km
Vandenbergova vesmírná základna 248.6 km
Santa Maria Public (Letiště) 253.3 km
Siskiyou 254.1 km
Truckee Tahoe (Letiště) 258.8 km
Lompoc (Letiště) 260.2 km
Lake Tahoe (Letiště) 264.7 km
Naval Air Station Lemoore 267.0 km
Rohnerville (Letiště) 277.5 km
Fresno Yosemite Intl. Airport 287.2 km
Arcata 290.5 km
Reno Stead (Letiště) 293.0 km
Santa Ynez (Letiště) 296.5 km
Carson City Letiště 297.7 km
Reno 298.6 km
Alturas Letiště 300.2 km
Hanford Municipal (Letiště) 303.1 km
Santa Barbara Municipal (Letiště) 324.0 km
Visalia Municipal (Letiště) 326.6 km
Crescent City 339.3 km
Porterville (Letiště) 366.7 km
Meadows Field (Letiště) 377.3 km
Mammoth Yosemite (Letiště) 381.6 km
Oxnard (Letiště) 390.4 km
Naval Outlying Landing Field San Nicolas 398.1 km
Camarillo (Letiště) 400.5 km
Naval Air Station Point Mugu 400.7 km
Hawthorne Industrial (Letiště) 408.4 km
Naval Air Station Fallon (Letiště) 410.9 km
Sandberg (Letiště) 423.5 km
Eastern Sierra Regional (Letiště) 434.2 km
Derby Field 435.8 km
Tehachapi Municipal (Letiště) 446.8 km
Van Nuys (Letiště) 460.5 km
Whiteman (Letiště) 466.1 km
Santa Monica (Letiště) 468.5 km
Burbank 474.4 km
Los Angeles Intl. Airport 476.7 km
General William J. Fox Airfield 476.9 km
Mojave Air and Space Port (Letiště) 478.6 km
San Clemente Island (Letiště) 481.7 km
Hawthorne Municipal (Letiště) 482.2 km
Zamperini Field 485.7 km
Catalina (Letiště) 488.9 km
Downtown 489.5 km
Long Beach (Letiště) 503.1 km
San Gabriel Valley (Letiště) 509.0 km
Joint Forces Training Base 513.6 km

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