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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 - Montclair Abstand
Chino Airport 7.6 km
Ontario Intl. Airport 9.3 km
Brackett Field 11.3 km
Corona Flughafen 12.5 km
Grey Butte Field Airport 25.9 km
Riverside Municipal Airport 26.7 km
John Wayne Airport 28.5 km
Fullerton Municipal Airport 35.0 km
San Gabriel Valley Airport 39.0 km
Southern California Logistics Airport 42.7 km
Joint Forces Training Base 43.5 km
Edwards Air Force Base 48.6 km
March Air Reserve Base 49.0 km
San Bernardino Intl. Airport 49.9 km
Edwards 51.9 km
Palmdale Regional Airport 53.1 km
Long Beach Airport 53.6 km
Marine Corps Air Station Camp Pendleton 54.1 km
Oceanside Municipal Airport 57.3 km
Fallbrook Flughafen 60.5 km
Downtown Los Angeles 61.2 km
McClellan- Palomar Airport 65.4 km
Murrieta Hot Springs 66.7 km
General William J. Fox Airfield 69.2 km
Hawthorne Municipal Airport 73.0 km
Mojave Air & Space Port Flughafen 73.3 km
Zamperini Field 73.9 km
Burbank 74.5 km
Los Angeles Intl. Airport 78.6 km
Whiteman Airport 82.3 km
Naval Air Weapons Station China Lake 83.6 km
Santa Monica Municipal Airport 85.4 km
Catalina Airport 87.1 km
Naval Air Station North Island 87.3 km
Montgomery-Gibbs Executive Airport 88.6 km
Marine Corps Air Station Miramar 88.7 km
San Diego Intl. Airport 89.3 km
Van Nuys Flughafen 89.4 km
Big Bear Airport 92.6 km
Naval Outlying Landing Field Imperial Beach 99.4 km
Ramona Flughafen 100.3 km
Tehachapi Municipal Airport 101.0 km
Gillespie Field Airport 101.7 km
Barstow-Daggett Airport 107.8 km
Brown Field Municipal Airport 109.3 km
Tijuana Flughafen 111.2 km
San Clemente Island Flughafen 114.7 km
Sandberg Airport 122.3 km
Palm Springs Intl. Airport 132.3 km
Bicycle Lake Army Airfield 132.5 km
Campo 154.1 km
Camarillo Flughafen 157.0 km
Naval Air Station Point Mugu 159.6 km
Meadows Field Airport 168.4 km
Oxnard Airport 169.0 km
Twentynine Palms Flughafen 169.7 km
Jacqueline Cochran Regional Airport 170.2 km
Porterville Flughafen 185.4 km
Eastern Sierra Regional Airport 188.6 km
Naval Outlying Landing Field San Nicolas 201.6 km
Tonopah Airport 214.6 km
Visalia Municipal Airport 225.4 km
Mercury/Desert Rock 225.5 km
Mammoth Yosemite Airport 227.3 km
Naval Air Facility El Centro 231.2 km
Santa Barbara Municipal Airport 240.1 km
Imperial County Airport 241.7 km
Hanford Municipal Airport 246.4 km
Creech Air Force Base Airport 256.8 km
Hawthorne Industrial Airport 257.9 km
Santa Ynez Flughafen 267.9 km
Fresno Yosemite Intl. Airport 268.4 km
Naval Air Station Lemoore 280.1 km
Mexicali Intl. Airport 282.0 km
Nuevo León 289.2 km
North Las Vegas Airport 296.2 km
Harry Reid Intl. Airport 297.4 km
Henderson Executive Airport 299.0 km
Santa Maria Public Airport 311.3 km
Lompoc Flughafen 311.6 km
Madera Municipal Airport 312.5 km
Nellis Air Force Base 313.8 km
Vandenberg Space Force Base 324.7 km
Boulder City Flughafen 327.5 km
Blythe Airport 331.0 km
San Luis Obispo County Regional Airport 335.4 km
Paso Robles Municipal Airport 339.6 km
Needles Airport 343.1 km
San Felipe 348.9 km
Yuma Intl. Airport 349.5 km
Yuma Intl. Airport 349.5 km
Laughlin/Bullhead Intl. Airport 351.8 km
Merced Regional Airport 360.2 km
Lake Tahoe Airport 365.3 km
Castle Air Force Base 367.8 km
Lake Havasu City Flughafen 371.0 km
Columbia Flughafen 371.8 km
Modesto 412.2 km
Kingman Airport 419.6 km
Placerville Airport 425.0 km

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