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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.


Nearby Weather Stations - Orinda Απόσταση
Oakland International Airport 9.7 km
Hayward Executive Airport 13.1 km
Buchanan Field Airport 14.7 km
San Carlos Airport 22.7 km
Napa Airport 24.2 km
Πάλο Άλτο Αεροδρόμιο 24.3 km
San Francisco International Airport 28.3 km
Moffett Federal Airfield 29.6 km
Travis Air Force Base 35.1 km
Nut Tree Airport 38.1 km
Livermore Municipal Airport 40.2 km
San Jose International Airport 40.3 km
Eddie Andreini Sr. Airfield 42.6 km
Marin 46.4 km
Reid- Hillview Airport 50.1 km
Petaluma Airport 54.1 km
Davis Airport 57.7 km
Watsonville Municipal Airport 69.6 km
South County Arpt Of Santa Clara County 78.4 km
Sacramento International Airport 80.5 km
Santa Rose Airport 82.1 km
Monterey Regional Airport 83.5 km
Sacramento Executive Airport 83.7 km
Salinas Municipal Airport 94.6 km
Sacramento McClellan Airport 97.4 km
Yuba 98.6 km
Hollister Airport 101.7 km
Stockton Metropolitan Airport 102.1 km
Sacramento Mather Airport 104.4 km
Lincoln Airport 109.4 km
Beale Air Force Base 110.4 km
Oroville Municipal Airport 113.0 km
Chico Municipal Airport 118.5 km
Red Bluff Municipal Airport 135.8 km
Auburn Airport 136.0 km
Modesto 136.1 km
Ukiah Airport 137.8 km
Nevada 151.8 km
Redding Municipal Airport 157.0 km
Placerville Airport 165.0 km
Castle Airport 180.2 km
Blue Canyon 181.2 km
Merced Regional Airport 186.8 km
Weaverville 191.8 km
Trinity Center 195.1 km
Columbia Airport 195.3 km
Mount Shasta 205.4 km
Paso Robles Municipal Airport 213.1 km
San Luis Obispo County Regional Airport 228.2 km
Madera Municipal Airport 234.0 km
Siskiyou 235.3 km
Truckee Tahoe Airport 241.2 km
Lake Tahoe Airport 248.8 km
Vandenberg Space Force Base 253.7 km
Santa Maria Public Airport 256.8 km
Naval Air Station Lemoore 262.0 km
Lompoc Airport 264.7 km
Rohnerville Airport 273.2 km
Reno Stead Airport 275.1 km
Alturas Airport 278.0 km
Fresno Yosemite International Airport 279.9 km
Reno 281.3 km
Κάρσον Σίτι Αεροδρόμιο 281.4 km
Arcata 285.4 km
Hanford Municipal Airport 297.3 km
Santa Ynez Airport 298.9 km
Visalia Municipal Airport 320.4 km
Santa Barbara Municipal Airport 325.8 km
Crescent City 331.5 km
Porterville Airport 360.8 km
Mammoth Yosemite Airport 370.7 km
Meadows Field Airport 373.3 km
Oxnard Airport 390.3 km
Hawthorne Industrial Airport 395.1 km
Naval Air Station Fallon Airport 395.5 km
Camarillo Airport 400.0 km
Naval Air Station Point Mugu 400.5 km
Naval Outlying Landing Field San Nicolas 401.4 km
Derby Field 419.4 km
Sandberg Airport 420.6 km
Eastern Sierra Regional Airport 423.9 km
Tehachapi Municipal Airport 442.3 km
Van Nuys Airport 458.3 km
Whiteman Airport 463.6 km
Santa Monica Airport 466.7 km
Μπέρμπανκ 471.9 km
General William J. Fox Airfield 472.9 km
Mojave Air and Space Port Airport 473.7 km
Διεθνές Αεροδρόμιο του Λος Άντζελες 474.9 km
Hawthorne Municipal Airport 480.2 km
San Clemente Island Airport 482.4 km
Zamperini Field 484.1 km
Downtown Los Angeles 487.0 km
Catalina Airport 488.3 km
Long Beach Airport 501.0 km
San Gabriel Valley Airport 506.1 km
Joint Forces Training Base 511.3 km