Revisiting the relationship between Atlantic dust and tropical cyclone activity using aerosol optical depth reanalyses: 2003–2018

Xian, Peng; Klotzbach, Philip J.; Dunion, Jason P.; Janiga, Matthew A.; Reid, Jeffrey S.; Colarco, Peter R.; Kipling, Zak

doi:https://doi.org/10.5194/acp-20-15357-2020

Articles | Volume 20, issue 23

https://doi.org/10.5194/acp-20-15357-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-15357-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 23

Research article

|

11 Dec 2020

Research article |

| 11 Dec 2020

Revisiting the relationship between Atlantic dust and tropical cyclone activity using aerosol optical depth reanalyses: 2003–2018

Peng Xian, Philip J. Klotzbach, Jason P. Dunion, Matthew A. Janiga, Jeffrey S. Reid, Peter R. Colarco, and Zak Kipling

Supplement

https://doi.org/10.5194/acp-20-15357-2020-supplement

Data sets

AERONET Version 3 Level 2 data D. M. Giles http://aeronet.gsfc.nasa.gov

AMM index AMM index https://www.esrl.noaa.gov/psd/data/timeseries/monthly/AMM/ammsst.data

CAMSRA AOD CAMSRA AOD https://www.ecmwf.int/en/research/climate-reanalysis/cams-reanalysis

ENSO index NOAA Climate Prediction Center Internet Team http://origin.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ONI_v5.php

ERA-Interim monthly means Dave Stepaniak https://rda.ucar.edu/datasets/ds627.1/

HURDAT2 HURDAT2 https://www.aoml.noaa.gov/hrd/hurdat/hurdat2.html

MERRA-2 AOD MERRA-2 AOD https://disc.gsfc.nasa.gov/datasets/M2TMNXAER_5.12.4/summary

NAAPS RA AOD NAAPS RA AOD https://usgodae.org//cgi-bin/datalist.pl?dset=nrl_naaps_reanalysis&summary=Go

NOAA OI SST V2 data NOAA/OAR/ESRL PSL https://psl.noaa.gov/data/gridded/data.noaa.oisst.v2.html

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Short summary

Using dust AOD (DAOD) data from three aerosol reanalyses, we explored the correlative relationships between DAOD and multiple indices representing seasonal Atlantic TC activities. A robust negative correlation with Caribbean DAOD and Atlantic TC activity was found. We documented for the first time the regional differences of this relationship for over the Caribbean and the tropical North Atlantic. We also evaluated the impacts of potential confounding climate factors in this relationship.