![EXTERNAL WIND PRESSURE (Pe) 1 DYNAMIC WIND PRESSURE qs](https://excel.civilmdc.com/wp-content/uploads/2021/11/DYNAMIC-WIND-PRESSURE-qs.png)
EXTERNAL WIND PRESSURE is the physical principle behind the pressure tube (Pitot) or pressure-plate anemometer. … The wind pressure is also used to orient wind vanes and measure the wind direction. The pressure plate measures the deflection of a flat plate that is continually oriented along the wind direction by a vane.