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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.


Poblíž povětrnostní stanice - Santa Ana Vzdálenost
John Wayne (Letiště) 0.0 km
Fullerton Municipal (Letiště) 16.1 km
Joint Forces Training Base 21.4 km
Brackett Field 23.6 km
San Gabriel Valley (Letiště) 27.9 km
Chino (Letiště) 29.8 km
Corona (Letiště) 31.4 km
Long Beach (Letiště) 32.3 km
Letiště Ontario 35.2 km
Downtown 45.1 km
Riverside Municipal (Letiště) 48.4 km
Grey Butte Field (Letiště) 50.8 km
Zamperini Field 52.2 km
Hawthorne Municipal (Letiště) 53.7 km
Palmdale Regional (Letiště) 54.9 km
Los Angeles Intl. Airport 59.4 km
Burbank 60.2 km
Marine Corps Air Station Camp Pendleton 60.8 km
Catalina (Letiště) 61.2 km
Oceanside Municipal (Letiště) 62.3 km
Edwardsova letecká základna 63.3 km
Santa Monica (Letiště) 67.3 km
General William J. Fox Airfield 67.8 km
Edwards 68.0 km
Whiteman (Letiště) 68.5 km
March Air Reserve Base 69.5 km
Fallbrook (Letiště) 70.6 km
McClellan- Palomar (Letiště) 70.9 km
Southern California Logistics (Letiště) 71.1 km
San Bernardino Intl. Airport 73.4 km
Van Nuys (Letiště) 74.1 km
Mojave Air and Space Port (Letiště) 78.5 km
Murrieta Hot Springs 82.4 km
San Clemente Island (Letiště) 87.6 km
Naval Air Station North Island 88.3 km
Letiště San Diego 92.0 km
Montgomery-Gibbs Executive (Letiště) 93.0 km
Marine Corps Air Station Miramar 93.8 km
Tehachapi Municipal (Letiště) 99.4 km
Naval Outlying Landing Field Imperial Beach 101.3 km
Naval Air Weapons Station China Lake 105.7 km
Gillespie Field (Letiště) 109.2 km
Ramona (Letiště) 110.9 km
Sandberg (Letiště) 111.7 km
Brown Field Municipal (Letiště) 113.8 km
Tijuana Letiště 115.8 km
Big Bear (Letiště) 116.3 km
Barstow-Daggett (Letiště) 134.5 km
Camarillo (Letiště) 139.2 km
Naval Air Station Point Mugu 141.0 km
Oxnard (Letiště) 150.9 km
Palm Springs Intl. Airport 152.3 km
Bicycle Lake Army Airfield 159.9 km
Meadows Field (Letiště) 161.1 km
Campo 165.0 km
Naval Outlying Landing Field San Nicolas 177.9 km
Porterville (Letiště) 182.3 km
Jacqueline Cochran Regional (Letiště) 189.3 km
Twentynine Palms Letiště 192.2 km
Eastern Sierra Regional (Letiště) 201.1 km
Visalia Municipal (Letiště) 221.0 km
Santa Barbara Municipal (Letiště) 222.6 km
Mammoth Yosemite (Letiště) 234.7 km
Hanford Municipal (Letiště) 240.4 km
Naval Air Facility El Centro 246.9 km
Santa Ynez (Letiště) 250.9 km
Mercury/Desert Rock 253.5 km
Imperial County (Letiště) 257.7 km
Fresno Yosemite Intl. Airport 264.0 km
Naval Air Station Lemoore 272.2 km
Creechova letecká základna Letiště 284.2 km
Lompoc (Letiště) 294.4 km
Santa Maria Public (Letiště) 295.0 km
Mexicali Intl. Airport 297.9 km
Nuevo León 304.4 km
Madera Municipal (Letiště) 306.7 km
Vandenbergova vesmírná základna 307.6 km
San Luis Obispo County Regional (Letiště) 320.3 km
North Las Vegas (Letiště) 322.4 km
Harry Reid Intl. Airport 323.3 km
Henderson Executive (Letiště) 324.7 km
Paso Robles Municipal (Letiště) 326.3 km
Nellisova letecká základna 339.7 km
Blythe (Letiště) 350.7 km
Boulder City Letiště 352.7 km
Merced Regional (Letiště) 353.8 km
San Felipe 360.4 km
Castle (Letiště) 361.5 km
Needles (Letiště) 365.7 km
Yuma Intl. Airport 366.5 km
Yuma Intl. Airport 366.5 km
Laughlin/Bullhead Intl. Airport 375.2 km
Lake Havasu City Letiště 393.0 km
Modesto 405.3 km
Hollister Letiště 432.1 km
Stockton Metropolitan (Letiště) 441.9 km
Kingman (Letiště) 442.7 km
Salinas Municipal (Letiště) 446.9 km
South County Arpt Of Santa Clara County 455.5 km
Watsonville Municipal (Letiště) 471.5 km

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