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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.


Estações Meteorológicas Próximas - Hesperia Distância
Aeroporto Logístico da Califórnia do Sul 12.6 km
San Bernardino Intl. Airport 17.9 km
Base Aérea da Reserva March 26.9 km
Riverside Municipal Airport 29.1 km
Ontario Intl. Airport 38.3 km
Grey Butte Field Airport 41.9 km
Corona Aeroporto 42.9 km
Chino Airport 43.7 km
Murrieta Hot Springs 46.9 km
Big Bear Aeroporto 50.0 km
Fallbrook Aeroporto 54.5 km
Brackett Field 56.2 km
Marine Corps Air Station Camp Pendleton 57.3 km
Barstow-Daggett Airport 61.6 km
Oceanside Municipal Airport 61.6 km
McClellan- Palomar Airport 65.5 km
Edwards 69.3 km
Base Aérea Edwards 69.6 km
John Wayne Airport 73.5 km
Estação Aeronaval de Armas de China Lake 77.8 km
Fullerton Municipal Airport 81.2 km
Ramona Aeroporto 82.1 km
Marine Corps Air Station Miramar 82.3 km
San Gabriel Valley Airport 83.4 km
Montgomery-Gibbs Executive Airport 83.5 km
Bicycle Lake Army Airfield 86.4 km
Aeroporto Internacional de San Diego 87.0 km
Palmdale Regional Airport 87.7 km
Base Aeronaval de North Island 88.0 km
Gillespie Field Airport 88.5 km
Joint Forces Training Base 89.8 km
Palm Springs Intl. Airport 93.8 km
Naval Outlying Landing Field Imperial Beach 96.3 km
Long Beach Airport 99.6 km
Brown Field Municipal Airport 100.3 km
Porto Espacial e Aéreo de Mojave Aeroporto 100.4 km
Tijuana Aeroporto 101.8 km
General William J. Fox Airfield 103.7 km
Centro de Los Angeles 105.6 km
Burbank 117.4 km
Hawthorne Municipal Airport 118.1 km
Zamperini Field 119.6 km
Aeroporto Internacional de Los Angeles 123.5 km
Whiteman Airport 124.6 km
Twentynine Palms Aeroporto 126.8 km
Campo 129.7 km
Santa Monica Airport 129.7 km
Jacqueline Cochran Regional Airport 132.1 km
Van Nuys Aeroporto 132.1 km
Tehachapi Municipal Airport 132.2 km
Catalina Airport 133.4 km
Sandberg Airport 160.5 km
Ilha de San Clemente Aeroporto 160.8 km
Mercury/Desert Rock 180.2 km
Tonopah Airport 186.4 km
Eastern Sierra Regional Airport 193.9 km
Naval Air Facility El Centro 196.7 km
Camarillo Aeroporto 199.7 km
Meadows Field Airport 202.0 km
Naval Air Station Point Mugu 202.8 km
Imperial County Airport 206.6 km
Creech Air Force Base Airport 210.7 km
Oxnard Airport 211.8 km
Porterville Aeroporto 213.8 km
Mammoth Yosemite Airport 239.9 km
Mexicali Intl. Airport 246.5 km
Naval Outlying Landing Field San Nicolas 247.4 km
North Las Vegas Airport 250.0 km
Aeroporto Internacional de Las Vegas 251.2 km
Henderson Executive Airport 252.9 km
Visalia Municipal Airport 254.4 km
Nuevo León 254.5 km
Hawthorne Industrial Airport 261.6 km
Base Aérea de Nellis 267.6 km
Hanford Municipal Airport 276.9 km
Boulder City Aeroporto 281.6 km
Santa Barbara Municipal Airport 282.0 km
Blythe Airport 290.2 km
Fresno Yosemite Intl. Airport 296.5 km
Needles Airport 299.2 km
Laughlin/Bullhead Intl. Airport 307.2 km
Santa Ynez Aeroporto 309.1 km
Yuma Intl. Airport 311.9 km
Yuma Intl. Airport 311.9 km
Naval Air Station Lemoore 312.2 km
San Felipe 318.9 km
Lake Havasu City Aeroporto 327.5 km
Madera Municipal Airport 341.9 km
Santa Maria Public Airport 351.6 km
Lompoc Aeroporto 352.9 km
Base da Força Espacial de Vandenberg 365.9 km
San Luis Obispo County Regional Airport 374.6 km
Kingman Airport 375.1 km
Paso Robles Municipal Airport 377.1 km
Lake Tahoe Airport 383.6 km
Merced Regional Airport 389.8 km
Castle Airport 397.2 km
Columbia Aeroporto 397.2 km
Saint George 431.1 km
Modesto 442.0 km