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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 - Tustin Abstand
John Wayne Airport 9.6 km
Brackett Field 19.0 km
Chino Airport 20.6 km
Corona Flughafen 21.9 km
Fullerton Municipal Airport 23.3 km
Ontario Intl. Airport 26.2 km
Joint Forces Training Base 30.0 km
San Gabriel Valley Airport 33.3 km
Riverside Municipal Airport 38.8 km
Long Beach Airport 41.0 km
Grey Butte Field Airport 45.0 km
Downtown Los Angeles 52.8 km
Marine Corps Air Station Camp Pendleton 53.2 km
Oceanside Municipal Airport 55.1 km
Palmdale Regional Airport 57.3 km
March Air Reserve Base 60.0 km
Zamperini Field 61.3 km
Edwards Air Force Base 61.7 km
Hawthorne Municipal Airport 62.2 km
Fallbrook Flughafen 62.4 km
Southern California Logistics Airport 62.5 km
McClellan- Palomar Airport 63.6 km
San Bernardino Intl. Airport 63.8 km
Edwards 65.9 km
Burbank 67.7 km
Los Angeles Intl. Airport 68.0 km
Catalina Airport 70.8 km
General William J. Fox Airfield 71.6 km
Murrieta Hot Springs 73.3 km
Santa Monica Municipal Airport 75.7 km
Whiteman Airport 75.8 km
Mojave Air & Space Port Flughafen 80.4 km
Van Nuys Flughafen 82.0 km
Naval Air Station North Island 82.5 km
San Diego Intl. Airport 85.7 km
Montgomery-Gibbs Executive Airport 86.3 km
Marine Corps Air Station Miramar 87.0 km
Naval Outlying Landing Field Imperial Beach 95.3 km
San Clemente Island Flughafen 97.1 km
Naval Air Weapons Station China Lake 101.6 km
Gillespie Field Airport 101.9 km
Ramona Flughafen 102.9 km
Tehachapi Municipal Airport 103.6 km
Big Bear Airport 106.7 km
Brown Field Municipal Airport 107.2 km
Tijuana Flughafen 109.2 km
Sandberg Airport 118.6 km
Barstow-Daggett Airport 125.1 km
Palm Springs Intl. Airport 142.9 km
Camarillo Flughafen 147.8 km
Naval Air Station Point Mugu 149.8 km
Bicycle Lake Army Airfield 150.6 km
Campo 157.1 km
Oxnard Airport 159.6 km
Meadows Field Airport 167.3 km
Jacqueline Cochran Regional Airport 180.0 km
Twentynine Palms Flughafen 182.7 km
Porterville Flughafen 187.3 km
Naval Outlying Landing Field San Nicolas 187.4 km
Eastern Sierra Regional Airport 201.1 km
Visalia Municipal Airport 226.5 km
Santa Barbara Municipal Airport 231.3 km
Mammoth Yosemite Airport 236.6 km
Naval Air Facility El Centro 238.2 km
Mercury/Desert Rock 244.4 km
Hanford Municipal Airport 246.4 km
Imperial County Airport 249.0 km
Santa Ynez Flughafen 259.5 km
Fresno Yosemite Intl. Airport 269.6 km
Creech Air Force Base Airport 274.9 km
Naval Air Station Lemoore 278.7 km
Mexicali Intl. Airport 289.2 km
Nuevo León 295.8 km
Lompoc Flughafen 303.0 km
Santa Maria Public Airport 303.5 km
Madera Municipal Airport 312.7 km
North Las Vegas Airport 312.8 km
Harry Reid Intl. Airport 313.7 km
Henderson Executive Airport 315.1 km
Vandenberg Space Force Base 316.2 km
San Luis Obispo County Regional Airport 328.5 km
Nellis Air Force Base 330.1 km
Paso Robles Municipal Airport 334.2 km
Blythe Airport 341.4 km
Boulder City Flughafen 343.1 km
San Felipe 352.6 km
Needles Airport 356.1 km
Yuma Intl. Airport 357.6 km
Yuma Intl. Airport 357.6 km
Merced Regional Airport 359.9 km
Laughlin/Bullhead Intl. Airport 365.6 km
Castle Air Force Base 367.7 km
Lake Havasu City Flughafen 383.5 km
Modesto 411.7 km
Kingman Airport 433.1 km
Hollister Flughafen 439.4 km
Stockton Metropolitan Airport 448.3 km
Salinas Municipal Airport 454.5 km
South County Arpt Of Santa Clara County 462.8 km
Watsonville Flughafen 479.0 km

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