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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 - Shasta Lake Απόσταση
Redding Municipal Airport 10.6 km
Red Bluff Municipal Airport 32.1 km
Mount Shasta 38.6 km
Trinity Center 44.4 km
Weaverville 65.7 km
Siskiyou 68.2 km
Chico Municipal Airport 75.0 km
Oroville Municipal Airport 105.4 km
Crater Lake 111.3 km
Medford Airport 118.0 km
Yuba 125.7 km
Ukiah Airport 133.9 km
Beale Air Force Base 134.8 km
Santa Rose Airport 139.6 km
Davis Airport 140.1 km
Sacramento International Airport 142.6 km
Nut Tree Airport 142.7 km
Napa Airport 146.1 km
Petaluma Airport 147.1 km
Travis Air Force Base 148.9 km
Lincoln Airport 150.3 km
Marin 152.7 km
Sacramento McClellan Airport 156.8 km
Sacramento Executive Airport 157.7 km
Buchanan Field Airport 162.2 km
Sacramento Mather Airport 169.3 km
Nevada 170.4 km
Auburn Airport 171.2 km
Oakland International Airport 174.8 km
Hayward Executive Airport 179.7 km
San Francisco International Airport 181.8 km
Livermore Municipal Airport 184.5 km
San Carlos Airport 187.5 km
Eddie Andreini Sr. Airfield 189.1 km
Πάλο Άλτο Αεροδρόμιο 191.5 km
Roseburg Regional Airport 191.9 km
Moffett Federal Airfield 195.3 km
Blue Canyon 197.1 km
Rohnerville Airport 200.4 km
San Jose International Airport 201.0 km
Stockton Metropolitan Airport 202.1 km
Arcata 204.2 km
Reid- Hillview Airport 205.2 km
Alturas Airport 206.1 km
Placerville Airport 209.1 km
Crescent City 222.2 km
South County Arpt Of Santa Clara County 226.6 km
Watsonville Municipal Airport 228.9 km
Eugene Airport 229.9 km
Lake County Airport 232.1 km
Brookings Airport 234.2 km
Modesto 234.7 km
Bend Municipal Airport 237.2 km
Hollister Airport 244.4 km
Roberts Field 246.8 km
Monterey Regional Airport 247.4 km
Salinas Municipal Airport 249.4 km
Corvallis Municipal Airport 254.2 km
Truckee Tahoe Airport 257.0 km
Columbia Airport 262.6 km
Prineville Airport 264.4 km
McNary Field Airport 265.2 km
Southwest Oregon Regional Airport 271.5 km
Castle Airport 273.9 km
Lake Tahoe Airport 279.4 km
Reno Stead Airport 279.5 km
Merced Regional Airport 281.8 km
Reno 291.7 km
Κάρσον Σίτι Αεροδρόμιο 301.6 km
Newport Municipal Airport 305.7 km
Madera Municipal Airport 326.2 km
Naval Air Station Lemoore 364.0 km
Fresno Yosemite International Airport 367.2 km
Hanford Municipal Airport 391.7 km
Visalia Municipal Airport 410.1 km
Naval Air Station Fallon Airport 410.4 km
Burns Municipal Airport 411.3 km
Derby Field 420.7 km
Mammoth Yosemite Airport 425.4 km
Hawthorne Industrial Airport 428.8 km
Grant County Regional Airport 430.9 km
Porterville Airport 449.2 km
Eastern Sierra Regional Airport 478.8 km