Vaisala WAA151 Installation Manual download pdf (Page 67)

Chapter 3 __________________________________________________________ Selecting Location

VAISALA ________________________________________________________________________ 65

CHAPTER 3

SELECTING LOCATION

This chapter provides information for locating the weather station and

its sensors.

Finding a suitable site for the MAWS weather station is important for

getting representative ambient measurements. Normally, the suitable

site should represent the general area of interest. When locating the

weather station, consider the items presented in the following sections.

The descriptions are not exhaustive, for further information refer to

local and WMO recommendations.

Wind Measurement

Allow sufficient clearance for the wind sensors. Wind sensors should

not be located next to a building or any other object that might affect

the airflow.

In general, any object of height (h) will not remarkably disturb the

wind measurement at a minimum distance of 10 × h. For example,

locate the weather station at least 30 meters away from a 3-meter high

tree, see Figure 58 on page 66.

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Vaisala WAA151 Installation Manual Page 67