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Ground-based Velocity Track Display (GBVTD)

Principal Investigator: Shirley Murillo (HRD)

Team Members:

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

Outside Team members:

Wen-Chau Lee (NCAR/ATD)
Colin McAdie (TPC/NHC)
Objectives of group:
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.

Methods:
Currently group members are working on manuscripts using Hurricane Danny (1997) radar data. As part of HRD's Hurricane Field Program, we'll continue to collect ground-based radar data in the vicinity of landfalling tropical cyclones.

Proposed Milestones:
Finished manuscripts (listed below)

  • Murillo et al. (H. Danny) paper [in progress]
  • Harasti et al. (Suite of algorithms including GBVTD) [in internal review]
  • Lee and Bell (New and improved way to calculate centers using Danny data) [in progress]
  • Pitter et al. (H. Bret) paper [possible rewrite up for publication]

Other GBVTD group interests:

  • 2003 AMS Radar Conference 6-12 August, Seattle, WA.
  • Possible HRD Post-doc Olivier Nuissier who worked with Frank Roux. He may have interests in our group.
  • Potential visit from Jin-Luen Lee (FSL) who is working on an initialization scheme using GBVTD data to ingest into the MM5 model.

Related References:

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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