Will Tropical Storm Iselle become a Category 1 or stronger hurricane?

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Aufgelöst: Ja
Ergebnisse 18. Aug.The market resolves yes if the National Hurricane Center or the National Weather Service office in Honolulu issues an official advisory on or before August 17, 2026 that upgrades the system to hurricane strength by reporting sustained winds of at least 74 mph (64 kt). On August 17, 2026 at 11:00 PM HST the NHC/CPHC discussion and advisory listed the system, Tropical Storm Lala (formerly PTC One-C), with an intensity of 70 kt (80 mph) and described it as a hurricane. Because 70 kt exceeds the 64 kt hurricane threshold, the condition is met, so the market resolves yes.
Wie Märkte erstellt und entschieden werden15%
Endgültige Wahrscheinlichkeit der Community
Die Community war zu 85 % sicher und lag daneben.
Warum: - Premise (Yale Climate Connections): The National Hurricane Center upgraded Potential Tropical Cyclone One-C to Tropical Storm Lala, establishing that PTC One-C and Lala are the same system. Source explicitly states: “PTC 1-C has been upgraded to Tropical Storm Lala.” - Premise (NHC/CPHC Discussion #24): At 11:00 PM HST on Monday, Aug 17, 2026, the official discussion states: “the initial intensity has been raised to 70 kt, making Lala a hurricane again,” with the advisory header date/time and an intensity table showing INIT 18/0900Z 70 KT (80 MPH). - Inference: 70 kt ≥ 64 kt (the hurricane threshold given in the question), and the NHC/CPHC explicitly classifies Lala as a hurricane at 11:00 PM HST on Aug 17, 2026. - Conclusion: The system originally designated Potential Tropical Cyclone One-C did reach hurricane intensity on Aug 17, 2026; therefore, the answer is YES.
Quelle: yaleclimateconnections.orgQuellen zur Auflösung dieses Marktes
Wie Märkte erstellt und entschieden werdenWith just a day left, the tropical system needs to show hurricane strength before the 17th. Given its current status, I'm skeptical it will reach that classification in time.

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