112 Improvements in quality control for IRIS weather radar wind profiles

Thursday, 29 September 2011
Grand Ballroom (William Penn Hotel)
Joseph M. Holmes, Vaisala, Inc, Westford, MA; and S. I. Panov and R. Keranen

Handout (1.1 MB)

The IRIS software has produced radar based wind profiles using the VVP algorithm since 1990. With the increasing use of these data as input to weather models, improved quality control is needed. Vaisala has implemented in its commercial offering many of the improvements suggested in the literature. These include: azimuthal gap checking, outlier removal, reducing the VVP fit parameters, sample size threshold, standard deviation threshold, and maximum velocity threshold. The effect on quality and availability are presented for each of these algorithms.
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