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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 - South Pasadena Abstand
Downtown Los Angeles 9.6 km
San Gabriel Valley Airport 13.0 km
Long Beach Airport 14.9 km
Joint Forces Training Base 19.6 km
Fullerton Municipal Airport 22.2 km
Hawthorne Municipal Airport 22.6 km
Burbank 22.9 km
Zamperini Field 26.4 km
Los Angeles Intl. Airport 27.7 km
Palmdale Regional Airport 28.8 km
Whiteman Airport 31.0 km
Santa Monica Municipal Airport 33.7 km
General William J. Fox Airfield 34.6 km
Van Nuys Flughafen 37.6 km
John Wayne Airport 38.3 km
Brackett Field 40.8 km
Catalina Airport 46.2 km
Mojave Air & Space Port Flughafen 50.3 km
Edwards Air Force Base 51.3 km
Edwards 56.5 km
Chino Airport 57.9 km
Grey Butte Field Airport 58.7 km
Ontario Intl. Airport 61.3 km
Corona Flughafen 61.8 km
Tehachapi Municipal Airport 63.4 km
Sandberg Airport 73.5 km
San Clemente Island Flughafen 75.0 km
Riverside Municipal Airport 78.3 km
Southern California Logistics Airport 88.9 km
Naval Air Weapons Station China Lake 97.5 km
Marine Corps Air Station Camp Pendleton 98.2 km
Oceanside Municipal Airport 100.1 km
March Air Reserve Base 100.7 km
San Bernardino Intl. Airport 101.9 km
Camarillo Flughafen 105.0 km
Fallbrook Flughafen 107.3 km
Naval Air Station Point Mugu 107.6 km
McClellan- Palomar Airport 108.7 km
Murrieta Hot Springs 116.9 km
Oxnard Airport 117.0 km
Meadows Field Airport 122.8 km
Naval Air Station North Island 126.6 km
San Diego Intl. Airport 130.3 km
Montgomery-Gibbs Executive Airport 131.1 km
Marine Corps Air Station Miramar 131.9 km
Naval Outlying Landing Field Imperial Beach 139.6 km
Big Bear Airport 144.3 km
Porterville Flughafen 144.6 km
Gillespie Field Airport 147.0 km
Ramona Flughafen 147.9 km
Naval Outlying Landing Field San Nicolas 152.0 km
Brown Field Municipal Airport 152.0 km
Tijuana Flughafen 154.0 km
Barstow-Daggett Airport 156.9 km
Eastern Sierra Regional Airport 173.8 km
Bicycle Lake Army Airfield 179.7 km
Visalia Municipal Airport 182.9 km
Palm Springs Intl. Airport 184.2 km
Santa Barbara Municipal Airport 188.2 km
Campo 202.1 km
Hanford Municipal Airport 202.1 km
Mammoth Yosemite Airport 202.2 km
Santa Ynez Flughafen 216.1 km
Twentynine Palms Flughafen 221.5 km
Jacqueline Cochran Regional Airport 222.1 km
Fresno Yosemite Intl. Airport 225.9 km
Naval Air Station Lemoore 233.9 km
Tonopah Airport 235.8 km
Hawthorne Industrial Airport 241.3 km
Santa Maria Public Airport 259.7 km
Lompoc Flughafen 259.8 km
Madera Municipal Airport 268.4 km
Mercury/Desert Rock 269.5 km
Vandenberg Space Force Base 273.0 km
Naval Air Facility El Centro 282.1 km
San Luis Obispo County Regional Airport 284.3 km
Paso Robles Municipal Airport 289.4 km
Imperial County Airport 292.7 km
Creech Air Force Base Airport 302.8 km
Merced Regional Airport 315.4 km
Castle Air Force Base 323.2 km
Columbia Flughafen 330.6 km
Lake Tahoe Airport 330.9 km
Mexicali Intl. Airport 333.0 km
Nuevo León 339.9 km
North Las Vegas Airport 345.0 km
Harry Reid Intl. Airport 346.5 km
Henderson Executive Airport 348.4 km
Nellis Air Force Base 362.8 km
Modesto 367.0 km
Boulder City Flughafen 377.4 km
Blythe Airport 382.9 km
Placerville Airport 384.6 km
Hollister Flughafen 394.3 km
Needles Airport 394.7 km
San Felipe 397.6 km
Yuma Intl. Airport 400.9 km
Yuma Intl. Airport 400.9 km
Laughlin/Bullhead Intl. Airport 403.1 km
Stockton Metropolitan Airport 403.6 km

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