Near-Real-Time IWRAP 3D Wind Retrievals

Sapp, Joseph W.; Jelenak, Zorana; Chang, Paul S.; Guimond, Stephen R.; Carswell, James R.

doi:10.1109/TRS.2025.3563787

i

Near-Real-Time IWRAP 3D Wind Retrievals

2025
By Sapp, Joseph W. ; Jelenak, Zorana ; Chang, Paul S. ; ...

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Journal Title:

IEEE Transactions on Radar Systems
Personal Author:

Sapp, Joseph W. ; Jelenak, Zorana ; Chang, Paul S. ; Guimond, Stephen R. ; Carswell, James R.
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research)
Description:

Historically, the Imaging Wind and Rain Airborne Profiler (IWRAP) radar system has been used as a research instrument aboard the National Oceanic and Atmospheric Administration (NOAA) WP-3D Hurricane Hunter airplanes collecting data for postflight processing and analysis. For the 2020 hurricane season, we demonstrated an initial near-real-time (NRT) atmospheric 3D wind processing capability, where retrievals were produced during a flight and transmitted to servers on the ground. Subsequently, the 3D wind retrieval algorithms have advanced to use the Doppler spectrum sampled by the IWRAP radars to reject surface clutter. This allowed wind retrievals closer to the ocean surface but increased the complexity of the retrieval processor. This article describes the latest technology implemented in the IWRAP radar system from the raw measurement to the final NRT 3D wind retrieval product, including the calibration/validation methodologies.
Keywords:

Hurricanes Image Analysis Remote Sensing Wind Power Image Analysis Remote Sensing Wind Power Chirp Diversity Methods Doppler Radar Ku-band Radar Measurements Sea Surface Spaceborne Radar Three-dimensional Displays
Source:

IEEE Transactions on Radar Systems, vol. 3, pp. 832-842, 2025
DOI:

https://doi.org/10.1109/TRS.2025.3563787
Format:

PDF
Document Type:

Journal Article
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Accepted Manuscript
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https://repository.library.noaa.gov/view/noaa/72649/noaa_72649_DS1.pdf
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