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10/31: I redid the analysis with a miminum wind speed of 10 m/s at 10 m.  This gives a larger data sample (105 hours at NEAR and 150 hours at RIM) and a wider range of wind directions, 190 - 230 deg at NEAR and 178 - 242 deg at RIM.

Section
Column

z(m)

NEAR dir(z) - dir(3m)

RIM dir(z) - dir(5m)

10

0.1 - 0.37 = -0.3

1.0

15

-1.4 - 0.21 = -1.6

-0.7

20

-1.7 + 0.01 = -1.7

-3.7

25

-1.1 - 0.32 = -1.4

-1.2

30

-2.2 - 0.50 = -2.7

-2.4

35

-4.5 - 0.57 = -5.1

-2.4

40

-2.1 - 0.947 = -3.0

-3.9

45

-0.9 - 0.58 = -1.5

 

50

0.8 - 1.11 = -0.3

 

Column

Wind speed and direction at NEAR

Image Added

Column

Wind speed and direction at RIM

Image Added