According to Michael Lowry, the period August 29–September 16 has never before gone without a named storm or tropical depression since satellite data began in 1966. On average, four named storms and two hurricanes form each season during this period. Lowry added: “To date, the Atlantic basin has recorded the lowest activity since 2014 and, with only one hurricane so far (Category 5 Hurricane Erin), the fewest hurricanes through September 15 since 2002.” Gabrielle’s formation date of Sep. 17 comes two weeks later than the 1991-2020 average formation date of Sep. 3 for the season’s seventh named storm. The average date of formation for the season’s second hurricane is Aug. 26, and we’ve usually had four hurricanes by this point in the season.
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