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June 21 in storm history
7 storms in the historical record were active on June 21 — 1 hurricane. The strongest was Blas (2022), a Category 1 hurricane peaking at 75 kt. Data: NOAA HURDAT2 best-track archive (2015–present on this site).
2020s
2010s
Peak winds are lifetime maxima from the NOAA best-track archive, not necessarily the intensity on June 21. Browse all-time records or seasons year by year.