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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 - Fountain Valley Abstand
John Wayne Airport 5.6 km
Fullerton Municipal Airport 11.4 km
Joint Forces Training Base 15.8 km
San Gabriel Valley Airport 23.9 km
Brackett Field 25.6 km
Long Beach Airport 26.7 km
Chino Airport 34.4 km
Corona Flughafen 36.4 km
Ontario Intl. Airport 39.6 km
Downtown Los Angeles 39.7 km
Zamperini Field 46.6 km
Hawthorne Municipal Airport 48.0 km
Palmdale Regional Airport 51.9 km
Grey Butte Field Airport 52.7 km
Riverside Municipal Airport 53.5 km
Los Angeles Intl. Airport 53.8 km
Burbank 54.9 km
Catalina Airport 56.1 km
Santa Monica Municipal Airport 61.7 km
Edwards Air Force Base 62.6 km
Whiteman Airport 63.1 km
General William J. Fox Airfield 64.1 km
Marine Corps Air Station Camp Pendleton 66.4 km
Edwards 67.5 km
Oceanside Municipal Airport 67.8 km
Van Nuys Flughafen 68.7 km
Southern California Logistics Airport 74.9 km
March Air Reserve Base 74.9 km
Mojave Air & Space Port Flughafen 75.7 km
Fallbrook Flughafen 76.2 km
McClellan- Palomar Airport 76.3 km
San Bernardino Intl. Airport 78.6 km
San Clemente Island Flughafen 82.9 km
Murrieta Hot Springs 88.0 km
Naval Air Station North Island 93.4 km
Tehachapi Municipal Airport 95.3 km
San Diego Intl. Airport 97.2 km
Montgomery-Gibbs Executive Airport 98.3 km
Marine Corps Air Station Miramar 99.2 km
Naval Air Weapons Station China Lake 106.2 km
Naval Outlying Landing Field Imperial Beach 106.4 km
Sandberg Airport 106.5 km
Gillespie Field Airport 114.7 km
Ramona Flughafen 116.4 km
Brown Field Municipal Airport 119.1 km
Tijuana Flughafen 121.1 km
Big Bear Airport 121.5 km
Camarillo Flughafen 133.6 km
Naval Air Station Point Mugu 135.4 km
Barstow-Daggett Airport 139.2 km
Oxnard Airport 145.3 km
Meadows Field Airport 156.1 km
Palm Springs Intl. Airport 157.8 km
Bicycle Lake Army Airfield 164.4 km
Campo 170.6 km
Naval Outlying Landing Field San Nicolas 172.5 km
Porterville Flughafen 177.7 km
Jacqueline Cochran Regional Airport 194.8 km
Twentynine Palms Flughafen 197.6 km
Eastern Sierra Regional Airport 198.9 km
Visalia Municipal Airport 216.3 km
Santa Barbara Municipal Airport 217.0 km
Mammoth Yosemite Airport 231.6 km
Hanford Municipal Airport 235.5 km
Santa Ynez Flughafen 245.3 km
Naval Air Facility El Centro 252.5 km
Mercury/Desert Rock 257.7 km
Fresno Yosemite Intl. Airport 259.2 km
Imperial County Airport 263.3 km
Naval Air Station Lemoore 267.1 km
Creech Air Force Base Airport 288.7 km
Lompoc Flughafen 288.7 km
Santa Maria Public Airport 289.4 km
Madera Municipal Airport 301.7 km
Vandenberg Space Force Base 302.0 km
Mexicali Intl. Airport 303.5 km
Nuevo León 310.0 km
San Luis Obispo County Regional Airport 314.7 km
Paso Robles Municipal Airport 320.8 km
North Las Vegas Airport 327.3 km
Harry Reid Intl. Airport 328.2 km
Henderson Executive Airport 329.6 km
Nellis Air Force Base 344.6 km
Merced Regional Airport 348.7 km
Blythe Airport 356.2 km
Castle Air Force Base 356.5 km
Boulder City Flughafen 357.8 km
San Felipe 365.9 km
Needles Airport 371.1 km
Yuma Intl. Airport 372.1 km
Yuma Intl. Airport 372.1 km
Laughlin/Bullhead Intl. Airport 380.5 km
Lake Havasu City Flughafen 398.4 km
Modesto 400.2 km
Hollister Flughafen 426.7 km
Stockton Metropolitan Airport 436.8 km
Salinas Municipal Airport 441.5 km
Kingman Airport 448.1 km
South County Arpt Of Santa Clara County 450.1 km
Monterey Regional Airport 466.0 km

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