A global analysis of interannual variability in potential and actual tropical cyclone intensities

Shields, Shannon; Wing, Allison A.; Gilford, Daniel M.

doi:10.1029/2020GL089512

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A global analysis of interannual variability in potential and actual tropical cyclone intensities

2020
By Shields, Shannon ; Wing, Allison A. ; Gilford, Daniel M.
Source: Geophysical ResearchLetters,47, e2020GL089512.

[PDF-890.98 KB]

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Details:

Journal Title:

Geophysical Research Letters
Personal Author:

Shields, Shannon ; Wing, Allison A. ; Gilford, Daniel M.

Shields, Shannon ; Wing, Allison A. ; Gilford, Daniel M. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office)

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office) Less -
Description:

We examine the relationship between interannual variability of potential intensity (PI) and tropical cyclone (TC) actual intensity (AI) and the factors contributing to this variability across all global ocean basins. Using best-track data and three reanalysis products from 1980-2016, we find that the Western North Pacific is the only basin that yields consistently significant correlations between AI and PI sampled along the TC tracks. In contrast to a previous study, the North Atlantic does not yield statistically significant correlations. This is because the correlation between AI and PI in the North Atlantic is sensitive to the length of the time period considered and the individual years within that time period. Both thermodynamic efficiency and air-sea disequilibrium contribute to interannual variability in along-track PI.
Keywords:

[+]

Climate Geology Hurricane Intensity Hurricanes Impact Maximum Intensity Potential Intensity Seasonal Cycles Sst Temperature; Surface Trends Tropical Cyclones Variability
Source:

Geophysical ResearchLetters,47, e2020GL089512.
DOI:

https://doi.org/10.1029/2020GL089512
Document Type:

Journal Article
Funding:

Grant no. NA18OAR4310270
Rights Information:

Other
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:5b844b6455381f9803ed04e0d0f43a7142598341765a676bf2a8295bef51a000
Download URL:

https://repository.library.noaa.gov/view/noaa/28695/noaa_28695_DS1.pdf
File Type:

	Supplemental media, text	docx
	Supplemental media, text	docx
	Available dataset	txt

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