2021
DOI: 10.1029/2020gl091416
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Metocean Modulators of the First Recorded South Atlantic Hurricane: Catarina

Abstract: A 6-h data were obtained from the fifth generation of the European Center for Medium-Range Weather Forecasts (ECMWF) global reanalysis (ERA5) with 0.25° resolution. Since interactions with TCs can modify the synoptic conditions around the storm (Park et al., 2012), the variables were convolved with a box of width 10 and 20 cells. This averaging with 10 cells (2.5°) was used for the analysis based on monthly means and was enough to average out the TC's effects. The 20 cells averaging (5°) was applied for the al… Show more

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Cited by 4 publications
(5 citation statements)
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“…This factor created favourable environmental conditions for the transition of Catarina into a hurricane. Lauton et al (2021) also found that the genesis potential index (GPI) exhibited notable positive anomalies over the western SATL. According to Lauton et al (2021), the GPI in March 2004 was the highest ever observed for the 30-year-long period spanning from 1990 to 2019.…”
Section: Introductionmentioning
confidence: 87%
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“…This factor created favourable environmental conditions for the transition of Catarina into a hurricane. Lauton et al (2021) also found that the genesis potential index (GPI) exhibited notable positive anomalies over the western SATL. According to Lauton et al (2021), the GPI in March 2004 was the highest ever observed for the 30-year-long period spanning from 1990 to 2019.…”
Section: Introductionmentioning
confidence: 87%
“…According to Lauton et al . (2021), the GPI in March 2004 was the highest ever observed for the 30‐year‐long period spanning from 1990 to 2019. Additionally, the rainfall pattern of Catarina was relatively constant, exceeding 100 mm·day −1 during most of its lifetime (Pereira‐Filho et al ., 2010), and the outer rain bands started to produce heavy rainfall over south Brazil on 27 March.…”
Section: Introductionmentioning
confidence: 89%
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“…On the other hand, subtropical cyclones, which are also generally associated with large waves (e.g., Li et al., 2021), are much less frequent in the region, with an average of just 1.2 events per year (Evans & Braun, 2012). Tropical cyclones in south/southeastern Brazil are even rarer and occur under atypical metocean conditions (Lauton et al., 2021).…”
Section: Study Regionmentioning
confidence: 99%