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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.


Estações Meteorológicas Próximas - Los Alamitos Distância
Joint Forces Training Base 0.4 km
Fullerton Municipal Airport 8.6 km
Long Beach Airport 11.3 km
San Gabriel Valley Airport 15.8 km
John Wayne Airport 21.1 km
Centro de Los Angeles 24.7 km
Zamperini Field 31.5 km
Hawthorne Municipal Airport 32.6 km
Brackett Field 34.0 km
Aeroporto Internacional de Los Angeles 38.4 km
Burbank 39.9 km
Catalina Airport 43.9 km
Palmdale Regional Airport 44.5 km
Santa Monica Airport 46.2 km
Chino Airport 47.4 km
Whiteman Airport 48.1 km
Corona Aeroporto 50.2 km
Ontario Intl. Airport 52.0 km
Van Nuys Aeroporto 53.4 km
General William J. Fox Airfield 53.7 km
Grey Butte Field Airport 58.7 km
Base Aérea Edwards 61.2 km
Edwards 66.4 km
Riverside Municipal Airport 67.3 km
Porto Espacial e Aéreo de Mojave Aeroporto 67.8 km
Ilha de San Clemente Aeroporto 72.2 km
Marine Corps Air Station Camp Pendleton 81.8 km
Oceanside Municipal Airport 83.3 km
Tehachapi Municipal Airport 83.3 km
Aeroporto Logístico da Califórnia do Sul 85.0 km
Base Aérea da Reserva March 89.3 km
Sandberg Airport 91.7 km
Fallbrook Aeroporto 91.7 km
McClellan- Palomar Airport 91.7 km
San Bernardino Intl. Airport 92.1 km
Murrieta Hot Springs 103.1 km
Estação Aeronaval de Armas de China Lake 107.0 km
Base Aeronaval de North Island 108.3 km
Aeroporto Internacional de San Diego 112.3 km
Montgomery-Gibbs Executive Airport 113.6 km
Marine Corps Air Station Miramar 114.5 km
Camarillo Aeroporto 118.2 km
Naval Air Station Point Mugu 120.1 km
Naval Outlying Landing Field Imperial Beach 121.4 km
Oxnard Airport 129.9 km
Gillespie Field Airport 130.1 km
Ramona Aeroporto 131.9 km
Brown Field Municipal Airport 134.2 km
Big Bear Aeroporto 135.2 km
Tijuana Aeroporto 136.2 km
Meadows Field Airport 141.8 km
Barstow-Daggett Airport 151.2 km
Naval Outlying Landing Field San Nicolas 158.6 km
Porterville Aeroporto 164.3 km
Palm Springs Intl. Airport 172.6 km
Bicycle Lake Army Airfield 175.6 km
Campo 186.0 km
Eastern Sierra Regional Airport 191.8 km
Santa Barbara Municipal Airport 201.6 km
Visalia Municipal Airport 202.3 km
Jacqueline Cochran Regional Airport 209.8 km
Twentynine Palms Aeroporto 211.7 km
Hanford Municipal Airport 221.1 km
Mammoth Yosemite Airport 221.7 km
Santa Ynez Aeroporto 229.8 km
Fresno Yosemite Intl. Airport 245.2 km
Naval Air Station Lemoore 252.3 km
Mercury/Desert Rock 267.9 km
Naval Air Facility El Centro 267.9 km
Lompoc Aeroporto 273.4 km
Santa Maria Public Airport 274.0 km
Imperial County Airport 278.7 km
Base da Força Espacial de Vandenberg 286.6 km
Madera Municipal Airport 287.3 km
San Luis Obispo County Regional Airport 299.2 km
Creech Air Force Base Airport 299.8 km
Paso Robles Municipal Airport 305.3 km
Mexicali Intl. Airport 318.9 km
Nuevo León 325.4 km
Merced Regional Airport 334.1 km
North Las Vegas Airport 339.6 km
Aeroporto Internacional de Las Vegas 340.8 km
Castle Airport 341.9 km
Henderson Executive Airport 342.4 km
Base Aérea de Nellis 357.2 km
Boulder City Aeroporto 370.8 km
Blythe Airport 371.2 km
San Felipe 381.3 km
Needles Airport 385.3 km
Modesto 385.5 km
Yuma Intl. Airport 387.4 km
Yuma Intl. Airport 387.4 km
Laughlin/Bullhead Intl. Airport 394.4 km
Hollister Aeroporto 411.5 km
Lake Havasu City Aeroporto 412.8 km
Stockton Metropolitan Airport 422.1 km
Salinas Municipal Airport 426.1 km
South County Arpt Of Santa Clara County 434.9 km
Monterey Regional Airport 450.6 km
Watsonville Municipal Airport 450.8 km