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America del Nord



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 - Middletown Distanza
Santa Rose Airport 27.4 km
Petaluma Aeroporto 31.6 km
Marin 38.9 km
Napa Aeroporto 50.6 km
Ukiah Aeroporto 68.2 km
Aeroporto Internazionale di San Francisco 74.5 km
Aeroporto Internazionale di Oakland 76.9 km
Eddie Andreini Sr. Airfield 77.2 km
Nut Tree Airport 78.2 km
Buchanan Field Airport 79.0 km
Travis Air Force Base 82.0 km
Aeroporto di San Carlos 85.9 km
Hayward Executive Airport 86.8 km
Red Bluff Municipal Airport 91.2 km
Davis Aeroporto 93.6 km
Palo Alto Aeroporto 96.2 km
Moffett Federal Airfield 103.0 km
Chico Municipal Airport 104.0 km
Redding Municipal Airport 108.4 km
Livermore Municipal Airport 109.8 km
Aeroporto Internazionale di Sacramento 114.3 km
Aeroporto Internazionale di San Jose-Norman Y. Mineta 114.5 km
Oroville Municipal Airport 118.3 km
Yuba 118.4 km
Weaverville 123.1 km
Reid- Hillview Airport 123.8 km
Sacramento Executive Airport 125.9 km
Trinity Center 132.5 km
Beale Air Force Base 133.3 km
Sacramento McClellan Airport 135.5 km
Lincoln Aeroporto 141.0 km
Watsonville Municipal Airport 143.7 km
Sacramento Mather Airport 147.2 km
South County Arpt Of Santa Clara County 151.7 km
Monte Shasta 154.9 km
Monterey Regional Airport 156.0 km
Stockton Metropolitan Airport 160.8 km
Salinas Municipal Airport 168.8 km
Auburn Aeroporto 170.7 km
Hollister Aeroporto 174.6 km
Siskiyou 180.3 km
Nevada 181.5 km
Modesto 197.4 km
Rohnerville Airport 200.6 km
Placerville Airport 207.5 km
Arcata 212.2 km
Blue Canyon 213.5 km
Medford Aeroporto 217.5 km
Crater Lake 223.2 km
Castle Airport 242.3 km
Columbia Aeroporto 249.0 km
Merced Regional Airport 249.6 km
Crescent City 257.3 km
Brookings Aeroporto 274.7 km
Truckee Tahoe Airport 278.2 km
Alturas Aeroporto 280.8 km
Paso Robles Municipal Airport 286.0 km
Lake Tahoe Airport 291.8 km
Madera Municipal Airport 297.5 km
San Luis Obispo County Regional Airport 301.9 km
Reno Stead Airport 309.3 km
Lake County Airport 315.6 km
Aeroporto Internazionale di Reno-Tahoe 318.1 km
Carson City Aeroporto 321.9 km
Vandenberg Space Force Base 327.8 km
Naval Air Station Lemoore 328.9 km
Santa Maria Public Airport 330.5 km
Lompoc Aeroporto 338.6 km
Aeroporto Internazionale di Fresno-Yosemite 343.1 km
Hanford Municipal Airport 362.8 km
Santa Ynez Aeroporto 372.0 km
Visalia Municipal Airport 384.9 km
Santa Barbara Municipal Airport 398.6 km
Porterville Aeroporto 425.6 km
Mammoth Yosemite Airport 425.7 km
Naval Air Station Fallon Aeroporto 437.4 km
Meadows Field Airport 440.5 km
Hawthorne Industrial Airport 443.5 km
Derby Field 456.6 km
Oxnard Airport 461.7 km
Camarillo Aeroporto 471.0 km
Naval Air Station Point Mugu 471.8 km
Eastern Sierra Regional Airport 479.8 km
Sandberg Airport 489.0 km
Tehachapi Municipal Airport 508.6 km
Van Nuys Aeroporto 527.4 km
Whiteman Airport 532.4 km
Santa Monica Airport 536.2 km
Spazioporto di Mojave Aeroporto 539.4 km
General William J. Fox Airfield 539.7 km
Burbank 540.6 km
Downtown 555.8 km
San Gabriel Valley Airport 574.2 km