Example of a Wind Rose

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# Example of a Wind Rose - PowerPoint PPT Presentation

Example of a Wind Rose. Broken into Sixteen Quadrants of Wind Direction. Broken into percent of occurrence. Broken into Wind Speed (units in km/hr). Example of South West (SW).

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## PowerPoint Slideshow about 'Example of a Wind Rose' - zahina

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Presentation Transcript

### Example of aWind Rose

Broken into Sixteen Quadrants of Wind Direction

Broken into percent of occurrence

Broken into Wind Speed (units in km/hr)

Example of South West (SW)
• Based on a ratio of occurrences at the selected wind speed ranges and selected wind direction (SW) over the total collected data during the time period analyzed.
• You could say that “~5% of the wind speed recorded was between 5 and 10 km/hr when the wind was blowing from the SW”

### Example of aParticulate Matter Concentration Rose

Broken into Sixteen Quadrants of Wind Direction

Broken into percent of occurrence

Broken into PM2.5 mass concentration levels (units in µg/m³)

Example of South West (SW)
• Based on a ratio of occurrences at the selected particulate matter (PM2.5) ranges and selected wind direction (SW) over the total collected data during the time period analyzed.
• You could say that “~3% of the PM2.5 collected was between 10 and 20 µg/m³ when the wind was blowing from the SW”