National Center for Atmospheric Research
EOL Integrated Surface Flux System

AHATS Profile Tower and Sonic Array Plots

Click on Most quantities are 5-minute statistics, except where noted.

Wind directions on the horizontal arrays are relative to the direction that the sonics were pointing: dir = atan(-v,u), where u and v are in instrument coordinates: +u is wind into the sonic array from the unobstructed direction. u and v have been corrected for the variability of sonic pointing angles. There is also a plot of true wind direction at the second level of the profile tower.

The nominal pointing direction of the sonics was 325 degrees with respect to true north, so: dir(true) - 325 = dir(relative)

1/2 hour power spectra of the pressure data, when available, are plotted at local noon and midnight.

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Last modified: Tuesday, 9-Feb-2010
© NCAR/Earth Observing Laboratory
NCAR In situ Sensing Facility