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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 - Downey Abstand
Long Beach Airport 7.6 km
Joint Forces Training Base 8.5 km
San Gabriel Valley Airport 11.5 km
Fullerton Municipal Airport 13.2 km
Downtown Los Angeles 16.4 km
Hawthorne Municipal Airport 26.2 km
Zamperini Field 26.9 km
John Wayne Airport 28.7 km
Burbank 31.6 km
Los Angeles Intl. Airport 31.9 km
Brackett Field 36.5 km
Palmdale Regional Airport 37.4 km
Santa Monica Municipal Airport 39.3 km
Whiteman Airport 39.8 km
Catalina Airport 43.1 km
General William J. Fox Airfield 45.3 km
Van Nuys Flughafen 45.5 km
Chino Airport 52.0 km
Corona Flughafen 55.4 km
Ontario Intl. Airport 56.1 km
Edwards Air Force Base 56.8 km
Grey Butte Field Airport 58.6 km
Mojave Air & Space Port Flughafen 60.2 km
Edwards 62.0 km
San Clemente Island Flughafen 72.0 km
Riverside Municipal Airport 72.4 km
Tehachapi Municipal Airport 74.5 km
Sandberg Airport 83.2 km
Southern California Logistics Airport 86.9 km
Marine Corps Air Station Camp Pendleton 89.4 km
Oceanside Municipal Airport 91.0 km
March Air Reserve Base 94.6 km
San Bernardino Intl. Airport 96.7 km
Fallbrook Flughafen 98.9 km
McClellan- Palomar Airport 99.5 km
Naval Air Weapons Station China Lake 103.0 km
Murrieta Hot Springs 109.6 km
Camarillo Flughafen 111.5 km
Naval Air Station Point Mugu 113.7 km
Naval Air Station North Island 116.7 km
San Diego Intl. Airport 120.5 km
Montgomery-Gibbs Executive Airport 121.7 km
Marine Corps Air Station Miramar 122.5 km
Oxnard Airport 123.4 km
Naval Outlying Landing Field Imperial Beach 129.7 km
Meadows Field Airport 133.1 km
Gillespie Field Airport 137.9 km
Ramona Flughafen 139.3 km
Big Bear Airport 139.6 km
Brown Field Municipal Airport 142.4 km
Tijuana Flughafen 144.4 km
Barstow-Daggett Airport 154.2 km
Naval Outlying Landing Field San Nicolas 154.7 km
Porterville Flughafen 155.4 km
Bicycle Lake Army Airfield 177.9 km
Palm Springs Intl. Airport 178.2 km
Eastern Sierra Regional Airport 184.1 km
Visalia Municipal Airport 193.5 km
Campo 193.5 km
Santa Barbara Municipal Airport 195.0 km
Hanford Municipal Airport 212.4 km
Mammoth Yosemite Airport 213.2 km
Jacqueline Cochran Regional Airport 215.7 km
Twentynine Palms Flughafen 216.6 km
Santa Ynez Flughafen 223.1 km
Fresno Yosemite Intl. Airport 236.4 km
Naval Air Station Lemoore 243.8 km
Lompoc Flughafen 266.7 km
Santa Maria Public Airport 267.0 km
Mercury/Desert Rock 269.2 km
Naval Air Facility El Centro 274.7 km
Madera Municipal Airport 278.6 km
Vandenberg Space Force Base 279.9 km
Imperial County Airport 285.4 km
San Luis Obispo County Regional Airport 292.0 km
Paso Robles Municipal Airport 297.7 km
Creech Air Force Base Airport 301.7 km
Merced Regional Airport 325.5 km
Mexicali Intl. Airport 325.6 km
Nuevo León 332.3 km
Castle Air Force Base 333.3 km
North Las Vegas Airport 342.6 km
Harry Reid Intl. Airport 343.9 km
Henderson Executive Airport 345.6 km
Nellis Air Force Base 360.3 km
Boulder City Flughafen 374.3 km
Blythe Airport 376.9 km
Modesto 377.0 km
San Felipe 389.0 km
Needles Airport 390.0 km
Yuma Intl. Airport 393.9 km
Yuma Intl. Airport 393.9 km
Laughlin/Bullhead Intl. Airport 398.8 km
Hollister Flughafen 403.4 km
Stockton Metropolitan Airport 413.5 km
Lake Havasu City Flughafen 417.8 km
Salinas Municipal Airport 418.3 km
South County Arpt Of Santa Clara County 426.8 km
Watsonville Flughafen 442.8 km
Monterey Regional Airport 442.9 km

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