The Tornado Detection Algorithm (TDA) improvement project : Preliminary report

McCrone, Paul J.; Barber, Madeline; Elmore, Kim

doi:10.25923/jw8t-mm53

i

The Tornado Detection Algorithm (TDA) improvement project : Preliminary report

2026
By: McCrone, Paul J. ; Barber, Madeline ; Elmore, Kim

Details

Alternative Title:

Engineering Change Proposal 1138P (ECP 1138P)
Personal Author:

McCrone, Paul J. ; Barber, Madeline ; Elmore, Kim
Corporate Authors:

United States. National Weather Service. ; Cooperative Institute for Severe and High-Impact Weather Research and Operations.
Contributor:

Murnan, Richard ; Biggs, Zachary ; Boeth, Brandon
NOAA Program & Office:

NWS (National Weather Service) ; CIWRO (Cooperative Institute for Severe and High-Impact Weather Research and Operations)
Description:

In this multi-faceted study, we address several key research questions: (1) When comparing Tornado Vortex Signature (TVS) detections across varying parameter configurations, can the effective detection range be extended? (2) Do TVS detections provide measurable positive lead time relative to confirmed tornado occurrence? (3) Are detections consistently and accurately captured by nearby radars observing the same event? and (4) How do updated Volume Coverage Pattern (VCP) sampling strategies influence TVS detection performance? VCPs 212 and 215 now include the option to use the Multi-PRF Dealiasing Algorithm (MPDA), providing enhanced velocity quality, in addition to VCP 112. Note: for the purposes of this study, a "TVS" is a Tornado Vortex detection as defined by the NEXRAD Level III NTV product only.
Keywords:
DOI:

https://doi.org/10.25923/jw8t-mm53
Format:

pdf
Document Type:

Non-series Report
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Submitted
Download URL:

https://repository.library.noaa.gov/view/noaa/76539/noaa_76539_DS1.pdf
File Type:

[PDF - 8.04 MB]
Collection(s):

NOAA Cooperative Institutes ; National Weather Service (NWS)
Main Document Checksum:

urn:sha-512:65141e5a3e708545f297d826a08b4225a1298331ca8dd6a6958a2c915bf6992dc91888361210d2069dec8a9bb33a6270e1719b7f2565bfc902388f6a7a4b4f0b

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