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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 - Placentia Abstand
John Wayne Airport 9.7 km
Brackett Field 14.2 km
Fullerton Municipal Airport 14.8 km
Joint Forces Training Base 22.8 km
San Gabriel Valley Airport 23.3 km
Chino Airport 24.7 km
Corona Flughafen 27.6 km
Ontario Intl. Airport 29.4 km
Long Beach Airport 33.5 km
Grey Butte Field Airport 41.4 km
Downtown Los Angeles 43.7 km
Riverside Municipal Airport 44.7 km
Palmdale Regional Airport 47.4 km
Edwards Air Force Base 53.9 km
Zamperini Field 54.0 km
Hawthorne Municipal Airport 54.1 km
Burbank 58.3 km
Edwards 58.5 km
Los Angeles Intl. Airport 59.9 km
General William J. Fox Airfield 61.5 km
Marine Corps Air Station Camp Pendleton 62.9 km
Southern California Logistics Airport 63.8 km
Oceanside Municipal Airport 65.0 km
Catalina Airport 65.9 km
Whiteman Airport 66.5 km
March Air Reserve Base 66.8 km
Santa Monica Municipal Airport 67.3 km
San Bernardino Intl. Airport 69.5 km
Mojave Air & Space Port Flughafen 70.7 km
Fallbrook Flughafen 71.7 km
Van Nuys Flughafen 72.9 km
McClellan- Palomar Airport 73.5 km
Murrieta Hot Springs 81.7 km
Naval Air Station North Island 92.6 km
San Clemente Island Flughafen 93.5 km
Tehachapi Municipal Airport 93.5 km
San Diego Intl. Airport 95.8 km
Naval Air Weapons Station China Lake 96.0 km
Montgomery-Gibbs Executive Airport 96.3 km
Marine Corps Air Station Miramar 96.9 km
Naval Outlying Landing Field Imperial Beach 105.5 km
Sandberg Airport 108.8 km
Gillespie Field Airport 111.7 km
Ramona Flughafen 112.3 km
Big Bear Airport 112.5 km
Brown Field Municipal Airport 117.2 km
Tijuana Flughafen 119.2 km
Barstow-Daggett Airport 128.9 km
Camarillo Flughafen 139.4 km
Naval Air Station Point Mugu 141.6 km
Palm Springs Intl. Airport 150.3 km
Oxnard Airport 151.3 km
Bicycle Lake Army Airfield 153.7 km
Meadows Field Airport 157.3 km
Campo 166.6 km
Porterville Flughafen 177.2 km
Naval Outlying Landing Field San Nicolas 181.3 km
Jacqueline Cochran Regional Airport 187.8 km
Twentynine Palms Flughafen 189.1 km
Eastern Sierra Regional Airport 192.3 km
Visalia Municipal Airport 216.4 km
Santa Barbara Municipal Airport 222.9 km
Mammoth Yosemite Airport 227.0 km
Hanford Municipal Airport 236.3 km
Mercury/Desert Rock 246.7 km
Naval Air Facility El Centro 246.9 km
Santa Ynez Flughafen 250.9 km
Imperial County Airport 257.6 km
Fresno Yosemite Intl. Airport 259.4 km
Naval Air Station Lemoore 268.8 km
Creech Air Force Base Airport 278.0 km
Lompoc Flughafen 294.6 km
Santa Maria Public Airport 294.8 km
Mexicali Intl. Airport 297.8 km
Madera Municipal Airport 302.6 km
Nuevo León 304.6 km
Vandenberg Space Force Base 307.8 km
North Las Vegas Airport 317.2 km
Harry Reid Intl. Airport 318.3 km
San Luis Obispo County Regional Airport 319.6 km
Henderson Executive Airport 319.8 km
Paso Robles Municipal Airport 324.9 km
Nellis Air Force Base 334.7 km
Boulder City Flughafen 348.2 km
Blythe Airport 349.0 km
Merced Regional Airport 349.9 km
Castle Air Force Base 357.6 km
San Felipe 362.0 km
Needles Airport 362.6 km
Yuma Intl. Airport 366.0 km
Yuma Intl. Airport 366.0 km
Laughlin/Bullhead Intl. Airport 371.7 km
Lake Havasu City Flughafen 390.2 km
Modesto 401.7 km
Hollister Flughafen 429.8 km
Stockton Metropolitan Airport 438.3 km
Kingman Airport 439.4 km
Salinas Municipal Airport 445.0 km
South County Arpt Of Santa Clara County 453.2 km
Watsonville Flughafen 469.5 km

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