Half of a hurricane season's energy sits in 14% of its storms, and it holds in every decade

Hurricane ACE (Accumulated Cyclone Energy) is the sum of $v^2/10^4$ over every 6-hourly fix with wind $\ge 34$ kt. It is a violently skewed number: a season's energy is carried by a handful of long-lived intense storms. I wanted the count, not the percentage. How many storms do you need before you have half of a whole basin's energy? Using NOAA's HURDAT2 (Atlantic 1851-2024, NE Pacific…