Each storm/category will be considered a separate YES/NO market, resolved via reporting from https://weather.com/.
Markets will resolve YES within 48 hours of the reported Category upgrade. Markets will resolve NO within 48 hours of the reported dissipation of a named storm or on November 30, 2025, at 11:59 PM EST, whichever comes first.
To stay in line with the new league rules (https://manifold.markets/post/leagues-market-creator-updates#qh22z9Cq), I will no longer make any trades in markets that I created. (sps - 2025/09/03)
Update 2025-11-30 (PST) (AI summary of creator comment): Markets for storms Nestor through Wendy will be resolved early (before the November 30, 2025 deadline) when there are less than 16 hours remaining in the season with zero tropical depressions and all remaining markets are at 1%.
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People are also trading
Imelda extratropical. Highest sustained winds 85 Kt = Cat 2
https://tropical.atmos.colostate.edu/Realtime/index.php?loc=northatlantic
https://www.nhc.noaa.gov/
https://www.nhc.noaa.gov/text/refresh/MIATCUAT5+shtml/161520.shtml
...AIR FORCE RESERVE HURRICANE HUNTERS FIND ERIN IS NOW A
CATASTROPHIC CATEGORY 5 HURRICANE...
Dexter never became a hurricane so can also resolve.
https://www.nhc.noaa.gov/archive/2025/
@ovals
Still waiting for Dexter to wind down as Erin becomes a Category 1