The
TTUKa radars executed a successful deployment yesterday (3-4-2015) that included periods
of coordinated dual-Doppler volumes over the BAO site as well as virtual tower
measurements over the lidar supersite. TTUKa1 was deployed to northwest o the BAO site:
And TTUKa2 was deployed to the northeast of the
BAO site.
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| TTUKa1 |
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| TTUKa2 |
RHIs from TTUKa2 (below) over a ten minute period reveal very light wind
speeds. Light to moderate snow also was falling during this time period. In this
animation, the RHI intersection point is 3.92 km from the radar. Cool colors
represent radial motion toward the radar, while warm colors represent radial
motion away from the radar. Despite the low wind speeds, interesting features
are evident including an outbound region of enhanced velocities near the
surface (between 2.5 and 3 km from the radar at the beginning of the animation)
as well as layers of differing wind speed and direction (as noted by the
changes in the sign of the radial velocity):
After
data collection, several radar issues were successfully addressed including
recalibration of TTUKa1and TTUKa2 level sensor and verifying the functionality of the
TTUKa1 generator. We also devised a plan
to implement hydraulic fluid warming to aid in maintaining the functionality of
the leveling system of each radar. We dedicated some time to verifying
deployment details through some initial data analysis including heading
verification in IDV and ensuring the RHI virtual tower location was near the
lidar supersite:
Today’s
activities will include implementation of hydraulic fluid warming and returning
to the deployments sites for further testing and planning.
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