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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.


Nächste Wetterstation - Chatsworth Abstand
Van Nuys Flughafen 11.2 km
Whiteman Airport 18.6 km
Santa Monica Municipal Airport 18.8 km
Burbank 26.0 km
Los Angeles Intl. Airport 26.9 km
Hawthorne Municipal Airport 32.2 km
Sandberg Airport 32.2 km
Zamperini Field 36.7 km
Downtown Los Angeles 40.2 km
General William J. Fox Airfield 48.7 km
Catalina Airport 48.7 km
Tehachapi Municipal Airport 50.5 km
Long Beach Airport 53.0 km
Camarillo Flughafen 56.6 km
Palmdale Regional Airport 59.7 km
Naval Air Station Point Mugu 59.7 km
San Gabriel Valley Airport 61.7 km
Joint Forces Training Base 63.6 km
San Clemente Island Flughafen 64.5 km
Mojave Air & Space Port Flughafen 65.0 km
Oxnard Airport 68.7 km
Fullerton Municipal Airport 69.5 km
Meadows Field Airport 82.7 km
John Wayne Airport 84.9 km
Edwards Air Force Base 85.5 km
Brackett Field 89.3 km
Edwards 89.5 km
Grey Butte Field Airport 103.1 km
Chino Airport 106.7 km
Ontario Intl. Airport 109.9 km
Porterville Flughafen 110.2 km
Naval Outlying Landing Field San Nicolas 110.6 km
Corona Flughafen 110.6 km
Naval Air Weapons Station China Lake 125.8 km
Riverside Municipal Airport 127.0 km
Southern California Logistics Airport 134.8 km
Santa Barbara Municipal Airport 139.6 km
Visalia Municipal Airport 144.6 km
Marine Corps Air Station Camp Pendleton 145.7 km
Oceanside Municipal Airport 147.2 km
March Air Reserve Base 149.4 km
San Bernardino Intl. Airport 150.3 km
Fallbrook Flughafen 155.2 km
McClellan- Palomar Airport 155.7 km
Hanford Municipal Airport 161.1 km
Murrieta Hot Springs 165.5 km
Santa Ynez Flughafen 167.4 km
Eastern Sierra Regional Airport 168.0 km
Naval Air Station North Island 171.8 km
San Diego Intl. Airport 176.0 km
Montgomery-Gibbs Executive Airport 177.4 km
Marine Corps Air Station Miramar 178.4 km
Mammoth Yosemite Airport 183.5 km
Naval Outlying Landing Field Imperial Beach 184.8 km
Fresno Yosemite Intl. Airport 186.5 km
Naval Air Station Lemoore 190.3 km
Big Bear Airport 192.3 km
Gillespie Field Airport 194.1 km
Ramona Flughafen 195.7 km
Brown Field Municipal Airport 198.0 km
Tijuana Flughafen 200.0 km
Barstow-Daggett Airport 202.9 km
Santa Maria Public Airport 211.0 km
Lompoc Flughafen 211.1 km
Bicycle Lake Army Airfield 224.0 km
Vandenberg Space Force Base 224.2 km
Madera Municipal Airport 226.6 km
Hawthorne Industrial Airport 229.8 km
Palm Springs Intl. Airport 232.8 km
San Luis Obispo County Regional Airport 235.7 km
Paso Robles Municipal Airport 241.4 km
Campo 249.9 km
Tonopah Airport 259.2 km
Twentynine Palms Flughafen 269.5 km
Jacqueline Cochran Regional Airport 270.8 km
Merced Regional Airport 272.6 km
Castle Air Force Base 280.5 km
Columbia Flughafen 291.2 km
Lake Tahoe Airport 298.7 km
Mercury/Desert Rock 310.5 km
Modesto 323.5 km
Naval Air Facility El Centro 330.7 km
Imperial County Airport 341.4 km
Creech Air Force Base Airport 345.2 km
Placerville Airport 345.7 km
Hollister Flughafen 347.7 km
Stockton Metropolitan Airport 359.8 km
Salinas Municipal Airport 362.2 km
South County Arpt Of Santa Clara County 371.2 km
Mexicali Intl. Airport 381.7 km
Auburn Flughafen 381.9 km
Sacramento Mather Flughafen 385.8 km
Monterey Regional Airport 386.7 km
Watsonville Flughafen 386.9 km
Nuevo León 388.5 km
North Las Vegas Airport 389.6 km
Harry Reid Intl. Airport 391.5 km
Henderson Executive Airport 393.7 km
Sacramento McClellan Airport 398.9 km
Reid- Hillview Airport 399.5 km

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