Sunday, April 12, 2015

UTD 200s: RHIs and Virtual tower experiment

The UTD 200S and the two NOAA 200S have been performing simultaneous Range-height indicator (RHI) scans, which are performed by keeping fixed the azimuthal angle of the scanning head and sweeping the elevation angle within a certain range. The three LiDARs performed scans by intersecting the three measurements plans in correspondence of the lidar supersite location, in proximity of the SE sonic anemometers of the met-tower, and over another location where the TTU ka-band radar was also performing virtual tower measurements. Preliminary data analysis shows the characterization of wind shear and low level jet through the RHI measurements.

  Fig. 1: RHI scans during the occurrence of a Low-Level Jet.

Fig. 2: Wind shear characterized through RHI scans.

Fig. 3: Wind shear characterized through RHI scans.

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