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- Wind Rose and Graphics: How is the wind rose resultant vector calculated?
Answer: The resultant vector combines the frequency of winds in each direction to get an "average" wind direction. There are two things to note about this ... - Wind Rose and Graphics: Why do two files (in different formats) with the same data show different wind roses?
Answer: In some meteorological files, wind directions are reported to the nearest 10 degrees. To avoid a bias in the wind rose plots toward the cardinal ... - Met File Format: What is wrong with my met file format?
Answer: If you have more missing hours than expected, strange results, or if your get an Unknown File Format message, there may be an issue with ... - General: How can I change the calm wind definition?
Answer: By default, calm winds are defined as less than 1 knot, or less than 1 m/s depending on the units you are using. It is ... - Sources: What are the area source dimensions?
Answer: The dimensions of an area source in Screen View are defined in terms of the Larger side and the Smaller side. A specific orientation of ... - Meteorology: What is the anemometer height?
Answer: The anemometer height is the height above the ground at which the wind speed is measured. The default value for the anemometer height is ... - Terrain: What is the difference between "Complex" and "Complex + Simple" terrain?
Answer: Complex terrain is any terrain that is located above the stack height or above the release height. Terrain below the release height is referred ... - Terrain: What restrictions does the complex terrain option impose?
Answer: There are two cases which users should be aware of: The Meteorology option (options in the Meteorology tab) is not available for Complex Terrain. ... - General: What columns of data does WRPLOT read?
Answer: WRPLOT View checks only the date, time, wind speed, and wind direction of met data files. In the case of SAMSON files, WRPLOT View is ... - Wind Rose and Graphics: Can I change the wind speed classes in wind rose plots?
Answer: Yes. You can modify the wind speed classes using the Wind Classes dialog. The default wind speed classes correspond to those in the U.S. EPA ...
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