Can tropical cyclones happen in any month of the year?

Tropical storms have formed in every month outside of hurricane season, and there have been a few hurricanes too. May is the most active month outside the official season, with seven named storms occurring during the past 10 years, including two in 2012 - Alberto and Beryl.



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NOAA's update to the 2023 outlook — which covers the entire six-month hurricane season that ends on Nov. 30 — calls for 14-21 named storms (winds of 39 mph or greater), of which 6-11 could become hurricanes (winds of 74 mph or greater). Of those, 2-5 could become major hurricanes (winds of 111 mph or greater).

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