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Ground-based Velocity Track Display (GBVTD)

Principal Investigator: Shirley Murillo (HRD)

Team Members:

Peter Dodge (HRD)
Frank Marks (HRD)
Rob Rogers (HRD)
Nick Carrasco (UM-CIMAS/HRD)

Collaborating Scientists:

Wen-Chau Lee (NCAR)
Michael Bell (NCAR)
Colin McAdie (TPC)
Objectives:
The Ground-Based Velocity Track Display (GBVTD) is a wind retrieval algorithm that deduces a tropical cyclone's primary circulation using single-Doppler velocity radar data. This group intends to examine landfalling tropical cyclone's structure via the GBVTD technique.

Method:
As part of HRD's Hurricane Field Program, we'll continue to collect ground-based radar data in the vicinity of landfalling tropical cyclones.

Milestones:

  • Murillo et al. (H. Danny) paper [in progress]

  • Pitter et al. (H. Bret) paper [in progress]

  • Examine ground-based radar data collected during Hurricane Humberto (2007) at landfall in Texas.

References:

Harasti, P. R., C. J. McAdie, P. P. Dodge, W.-C. Lee, J. Tuttle, S. T. Murillo, and F. D. Marks, 2004: Real Time implementation of single-Doppler radar analysis methods for tropical cyclones: Algorithm improvements and use with WSR-88D display data. Wea. Forecasting, 19, 219-239.

Lee, W.-C., B. J.-D. Jou, P.-L. Chang, and S.-M, Deng, 1999: Tropical cyclone kinematic structure retrieved from single Doppler radar observations. Part I. Interpretation of Doppler velocity patterns and the GBVTD technique. Mon. Wea. Rev., 127, 2419-2439.

Lee, W.-C., and F. D. Marks, 2000: Tropical cyclone kinematic structure retrieved from single Doppler radar observation. Part II: The GBVTD-simplex center finding algorithm. Mon. Wea. Rev., 128, 1925-1936.

Lee, W.-C., B. J.-D. Jou, P.-L. Chang, and F. D. Marks, 2000: Tropical cyclone kinematic structure retrieved from single Doppler radar observations. Part III: Evolution and structures of Typhoon Alex (1987). Mon. Wea. Rev., 128, 3982-4001.

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Last modified: 3/04/2003
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