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. Live rapid-intensification dashboards, SHIPS-RII verification, and marine heatwave monitoring.
Active storms
No active storms right now.
2026 season
- Atlantic10 named storms1 hurricane1 major2 RI storms (normal to date 4.3)
- Northeast Pacific24 named storms13 hurricanes11 majors11 RI storms (normal to date 6.7)
RI episodes, 1979–2025
601
Storms that rapidly intensified
538
Years of best-track data
1979–2025
Marine heatwaves now
49.8%
of tracked waters · max: Extreme
as of Oct 31, 2026 — updates may be delayed