Strong El Niño conditions have sustained elevated vertical wind shear across the tropical Atlantic, suppressing organization and intensification despite peak-season sea surface temperatures. As of September 21, the basin has produced only six named storms—all tropical storms—with zero hurricanes, setting a satellite-era record for the latest first hurricane. Tropical Storm Fay, which briefly organized near the Azores, is weakening without reaching hurricane strength and poses no land threat. NOAA and NHC outlooks continue to highlight hostile shear and dry air as dominant factors through late September, supporting the market’s 83% implied probability of no September hurricane formation. Any late-month development would require rapid model shifts toward reduced shear, an unlikely outcome given current guidance.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateWhen will the first hurricane form in the Atlantic in 2026?
No Atlantic hurricane will form in September 2026 83%
September 21 to September 25, 2026 10%
September 26 to September 30, 2026 7.3%
September 16 to September 20, 2026 2.1%
$36,945 Vol.
$36,945 Vol.
September 11 to September 15, 2026
1%
September 16 to September 20, 2026
2%
September 21 to September 25, 2026
10%
September 26 to September 30, 2026
7%
No Atlantic hurricane will form in September 2026
83%
No Atlantic hurricane will form in September 2026 83%
September 21 to September 25, 2026 10%
September 26 to September 30, 2026 7.3%
September 16 to September 20, 2026 2.1%
$36,945 Vol.
$36,945 Vol.
September 11 to September 15, 2026
1%
September 16 to September 20, 2026
2%
September 21 to September 25, 2026
10%
September 26 to September 30, 2026
7%
No Atlantic hurricane will form in September 2026
83%
A tropical cyclone is considered a hurricane when it has maximum sustained winds of 74 mph or greater (Category 1 or higher on the Saffir-Simpson Hurricane Wind Scale). A system is considered to have "formed" as a hurricane at the date and time of the first NHC public advisory that classifies a system in the Atlantic basin as a hurricane. Resolution is based on that first advisory, regardless of any later downward revision or reclassification. The sole determinant of when the hurricane formed is the issuance timestamp of that first classifying NHC advisory (evaluated in U.S. Eastern Time), not the estimated time at which the system's winds first reached 74 mph; for a system that straddles midnight between September 30 and October 1, 2026, the applicable bracket is determined solely by whether that advisory's issuance timestamp falls before or after 12:00 AM ET on October 1, 2026.
The bracket "No Atlantic hurricane will form in September 2026" will resolve "Yes" if no NHC advisory classifies any Atlantic-basin system as a hurricane at any time from 12:00 AM ET on September 1, 2026 through 11:59 PM ET on September 30, 2026. In the event that the NHC has not published any data by September 30, 2026 11:59 PM ET, or if the NHC becomes unavailable, this market will resolve to "No Atlantic hurricane will form in September 2026".
The resolution source for this market is the U.S. National Hurricane Center (NHC), available here: https://www.nhc.noaa.gov/
Binuksan ang Market: Sep 4, 2026, 12:02 PM ET
Resolution Source
https://www.nhc.noaa.gov/Resolver
0x69c47De9D...A tropical cyclone is considered a hurricane when it has maximum sustained winds of 74 mph or greater (Category 1 or higher on the Saffir-Simpson Hurricane Wind Scale). A system is considered to have "formed" as a hurricane at the date and time of the first NHC public advisory that classifies a system in the Atlantic basin as a hurricane. Resolution is based on that first advisory, regardless of any later downward revision or reclassification. The sole determinant of when the hurricane formed is the issuance timestamp of that first classifying NHC advisory (evaluated in U.S. Eastern Time), not the estimated time at which the system's winds first reached 74 mph; for a system that straddles midnight between September 30 and October 1, 2026, the applicable bracket is determined solely by whether that advisory's issuance timestamp falls before or after 12:00 AM ET on October 1, 2026.
The bracket "No Atlantic hurricane will form in September 2026" will resolve "Yes" if no NHC advisory classifies any Atlantic-basin system as a hurricane at any time from 12:00 AM ET on September 1, 2026 through 11:59 PM ET on September 30, 2026. In the event that the NHC has not published any data by September 30, 2026 11:59 PM ET, or if the NHC becomes unavailable, this market will resolve to "No Atlantic hurricane will form in September 2026".
The resolution source for this market is the U.S. National Hurricane Center (NHC), available here: https://www.nhc.noaa.gov/
Resolution Source
https://www.nhc.noaa.gov/Resolver
0x69c47De9D...Strong El Niño conditions have sustained elevated vertical wind shear across the tropical Atlantic, suppressing organization and intensification despite peak-season sea surface temperatures. As of September 21, the basin has produced only six named storms—all tropical storms—with zero hurricanes, setting a satellite-era record for the latest first hurricane. Tropical Storm Fay, which briefly organized near the Azores, is weakening without reaching hurricane strength and poses no land threat. NOAA and NHC outlooks continue to highlight hostile shear and dry air as dominant factors through late September, supporting the market’s 83% implied probability of no September hurricane formation. Any late-month development would require rapid model shifts toward reduced shear, an unlikely outcome given current guidance.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update


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