← South Indian Ocean 1989 season
1989 SI21 — ORSON
South Indian Ocean · 1989-04-16 to 1989-04-23
Category 5 (≥137kt)Intense hurricane/typhoon (≥113kt)Major hurricane/typhoon (≥96kt)Hurricane/typhoon (≥64kt)Named storm (≥34kt)Tropical depression (<34kt)
- Peak intensity
- 140kt C5
- ACE
- 18.73
- PDI
- 2021.1
- Hurricane-strength days
- 4.00
- Major-hurricane-strength days
- 2.25
- Landfall
- Major hurricane-strength
Sources
This storm's best track comes from JTWC via NOAA's IBTrACS archive. See Methodology for how this site derives ACE, PDI, and landfall counts from that best track.
Damage & Casualties
Not yet available.