The place to watch storms strengthen.
A tool site focused on one problem: rapid intensification — tropical cyclones gaining 30+ kt of wind in 24 hours. Historical climatology now; live per-storm RI dashboards in season.
RI Monitor
Active storms ranked by RI potential, not current intensity.
RI episodes since 1979
601
Storms that rapidly intensified
538
Years of best-track data
1979–2025
Marine heatwaves now
0%
no active marine heatwaves
as of Jul 13, 2026 — updates may be delayed