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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 - Brea Abstand
Brackett Field 9.7 km
John Wayne Airport 14.2 km
Chino Airport 18.7 km
Fullerton Municipal Airport 20.6 km
Corona Flughafen 22.0 km
Ontario Intl. Airport 23.3 km
San Gabriel Valley Airport 27.4 km
Joint Forces Training Base 28.8 km
Grey Butte Field Airport 36.6 km
Riverside Municipal Airport 39.0 km
Long Beach Airport 39.3 km
Palmdale Regional Airport 48.6 km
Downtown Los Angeles 48.7 km
Edwards Air Force Base 52.0 km
Edwards 56.3 km
Southern California Logistics Airport 57.7 km
Marine Corps Air Station Camp Pendleton 59.3 km
Hawthorne Municipal Airport 59.6 km
Zamperini Field 59.8 km
March Air Reserve Base 61.2 km
Oceanside Municipal Airport 61.7 km
Burbank 63.0 km
General William J. Fox Airfield 63.5 km
San Bernardino Intl. Airport 63.6 km
Los Angeles Intl. Airport 65.3 km
Fallbrook Flughafen 67.6 km
McClellan- Palomar Airport 70.2 km
Whiteman Airport 71.1 km
Mojave Air & Space Port Flughafen 71.3 km
Catalina Airport 72.1 km
Santa Monica Municipal Airport 72.5 km
Murrieta Hot Springs 76.8 km
Van Nuys Flughafen 77.7 km
Naval Air Station North Island 90.2 km
Naval Air Weapons Station China Lake 92.5 km
San Diego Intl. Airport 93.1 km
Montgomery-Gibbs Executive Airport 93.3 km
Marine Corps Air Station Miramar 93.7 km
Tehachapi Municipal Airport 95.6 km
San Clemente Island Flughafen 99.6 km
Naval Outlying Landing Field Imperial Beach 102.9 km
Big Bear Airport 106.6 km
Gillespie Field Airport 108.1 km
Ramona Flughafen 108.2 km
Sandberg Airport 112.8 km
Brown Field Municipal Airport 114.2 km
Tijuana Flughafen 116.2 km
Barstow-Daggett Airport 122.8 km
Camarillo Flughafen 144.6 km
Palm Springs Intl. Airport 144.8 km
Naval Air Station Point Mugu 147.0 km
Bicycle Lake Army Airfield 147.6 km
Oxnard Airport 156.6 km
Meadows Field Airport 160.7 km
Campo 162.4 km
Porterville Flughafen 179.7 km
Jacqueline Cochran Regional Airport 182.4 km
Twentynine Palms Flughafen 183.3 km
Naval Outlying Landing Field San Nicolas 187.3 km
Eastern Sierra Regional Airport 191.5 km
Visalia Municipal Airport 219.2 km
Mammoth Yosemite Airport 227.3 km
Santa Barbara Municipal Airport 228.0 km
Hanford Municipal Airport 239.5 km
Mercury/Desert Rock 240.6 km
Naval Air Facility El Centro 242.0 km
Imperial County Airport 252.6 km
Santa Ynez Flughafen 256.0 km
Fresno Yosemite Intl. Airport 262.3 km
Creech Air Force Base Airport 271.9 km
Naval Air Station Lemoore 272.3 km
Mexicali Intl. Airport 292.9 km
Lompoc Flughafen 299.7 km
Nuevo León 299.8 km
Santa Maria Public Airport 299.8 km
Madera Municipal Airport 305.8 km
North Las Vegas Airport 311.1 km
Harry Reid Intl. Airport 312.2 km
Vandenberg Space Force Base 312.9 km
Henderson Executive Airport 313.7 km
San Luis Obispo County Regional Airport 324.4 km
Nellis Air Force Base 328.6 km
Paso Robles Municipal Airport 329.4 km
Boulder City Flughafen 342.1 km
Blythe Airport 343.5 km
Merced Regional Airport 353.2 km
Needles Airport 356.8 km
San Felipe 357.8 km
Castle Air Force Base 360.9 km
Yuma Intl. Airport 360.9 km
Yuma Intl. Airport 360.9 km
Laughlin/Bullhead Intl. Airport 365.8 km
Lake Havasu City Flughafen 384.5 km
Modesto 405.0 km
Kingman Airport 433.5 km
Hollister Flughafen 433.8 km
Stockton Metropolitan Airport 441.7 km
Salinas Municipal Airport 449.3 km
South County Arpt Of Santa Clara County 457.2 km
Watsonville Flughafen 473.6 km

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