2011 AL09 — IRENE
North Atlantic · 2011-08-21 to 2011-08-30
Major hurricane/typhoon (≥96kt)Hurricane/typhoon (≥64kt)Named storm (≥34kt)Post-tropical / disturbance
- Peak intensity
- 105kt MH
- ACE
- 18.81
- PDI
- 1536.7
- Hurricane-strength days
- 6.25
- Major-hurricane-strength days
- 0.50
- Landfall
- Major hurricane-strength
Sources
NHC/CPHC's Tropical Cyclone Reports for the 2011 North Atlantic season include this storm's full post-season report. See Methodology for how this site derives ACE, PDI, and landfall counts from that best track.
Damage & Casualties
Not yet available.