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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.


Stazioni meteo nelle vicinanze - La Crescenta-Montrose Distanza
Downtown 8.8 km
Burbank 13.0 km
Hawthorne Municipal Airport 19.2 km
Whiteman Airport 20.6 km
Aeroporto Internazionale di Los Angeles 22.5 km
Aeroporto di Long Beach-Daugherty 23.0 km
San Gabriel Valley Airport 23.3 km
Zamperini Field 25.4 km
Santa Monica Airport 26.3 km
Palmdale Regional Airport 27.5 km
General William J. Fox Airfield 27.6 km
Van Nuys Aeroporto 27.8 km
Joint Forces Training Base 30.2 km
Fullerton Municipal Airport 33.3 km
Spazioporto di Mojave Aeroporto 45.2 km
Catalina Airport 46.9 km
Orange-John Wayne 49.5 km
Brackett Field 50.5 km
Edwards Air Force Base 52.9 km
Tehachapi Municipal Airport 53.7 km
Edwards 57.8 km
Sandberg Airport 62.4 km
Grey Butte Field Airport 65.3 km
Chino Airport 68.1 km
Aeroporto Internazionale di Ontario 71.0 km
Corona Aeroporto 72.2 km
Isola di San Clemente Aeroporto 74.6 km
Riverside Municipal Airport 88.3 km
Camarillo Aeroporto 95.6 km
Aeroporto Logistico della California Meridionale 96.5 km
Naval Air Weapons Station China Lake 98.0 km
Naval Air Station Point Mugu 98.5 km
Oxnard Airport 107.6 km
Marine Corps Air Station Camp Pendleton 109.2 km
March Joint Air Reserve Base 110.7 km
Oceanside Municipal Airport 111.2 km
San Bernardino Intl. Airport 111.3 km
Meadows Field Airport 111.7 km
Fallbrook Aeroporto 118.2 km
McClellan- Palomar Airport 119.7 km
Murrieta Hot Springs 127.4 km
Porterville Aeroporto 133.7 km
Naval Air Station North Island 137.8 km
Aeroporto Internazionale di San Diego 141.4 km
Montgomery-Gibbs Executive Airport 142.2 km
Marine Corps Air Station Miramar 143.0 km
Naval Outlying Landing Field San Nicolas 145.4 km
Naval Outlying Landing Field Imperial Beach 150.8 km
Big Bear Aeroporto 153.3 km
Gillespie Field Airport 158.0 km
Ramona Aeroporto 158.7 km
Brown Field Municipal Airport 163.1 km
Barstow-Daggett Airport 164.7 km
Tijuana Aeroporto 165.1 km
Eastern Sierra Regional Airport 166.9 km
Visalia Municipal Airport 171.9 km
Santa Barbara Municipal Airport 178.5 km
Bicycle Lake Army Airfield 186.6 km
Hanford Municipal Airport 191.0 km
Mammoth Yosemite Airport 193.3 km
Aeroporto Internazionale di Palm Springs 193.9 km
Santa Ynez Aeroporto 206.2 km
Campo 213.0 km
Aeroporto Internazionale di Fresno-Yosemite 214.9 km
Naval Air Station Lemoore 222.8 km
Twentynine Palms Aeroporto 230.6 km
Jacqueline Cochran Regional Airport 232.0 km
Hawthorne Industrial Airport 233.6 km
Tonopah Airport 235.8 km
Santa Maria Public Airport 249.6 km
Lompoc Aeroporto 249.9 km
Madera Municipal Airport 257.3 km
Vandenberg Space Force Base 263.0 km
San Luis Obispo County Regional Airport 273.9 km
Mercury/Desert Rock 275.1 km
Paso Robles Municipal Airport 278.7 km
Naval Air Facility El Centro 292.5 km
Imperial County AP 303.1 km
Merced Regional Airport 304.3 km
Creech Air Force Base Aeroporto 309.0 km
Castle Airport 312.1 km
Columbia Aeroporto 319.6 km
Lake Tahoe Airport 320.5 km
Mexicali International AP 343.4 km
Nuevo León 350.4 km
North Las Vegas Airport 352.1 km
Aeroporto Internazionale di Las Vegas-McCarran 353.9 km
Modesto 355.9 km
Henderson Executive Airport 355.9 km
Nellis Air Force Base 370.1 km
Placerville Airport 373.6 km
Hollister Aeroporto 383.4 km
Boulder City Aeroporto 385.1 km
Stockton Metropolitan Airport 392.5 km
Blythe Airport 392.6 km
Salinas Municipal Airport 398.6 km
Needles Airport 403.5 km
South County Arpt Of Santa Clara County 406.7 km
San Felipe 408.4 km
Auburn Aeroporto 410.9 km