Storm history › Atlantic › 1978 season
Tropical Storm Irma (1978)
Irma was a tropical storm of the 1978 Atlantic season. It was tracked from October 2, 1978 to October 5, 1978, about 3 days, and covered 857 miles.
At its peak it had winds of 50 mph (85 km/h) and a lowest pressure of 1001 mb.
- Peak wind
- 50 mph
- Lowest pressure
- 1001 mb
- Strongest
- Tropical storm
- Landfalls
- None recorded
- Duration
- 3 days
- Track length
- 857 mi
- Energy (ACE)
- 0.9
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 1459th highest of 2,017 Atlantic storms on record, tied with Tropical Storm Gonzalo (2026), Tropical Storm Alberto (2024), Tropical Storm Joyce (2024) and 73 more.
- Lowest pressure: 991st lowest of 1,294 Atlantic storms with a recorded pressure, tied with Tropical Storm Joyce (2024), Tropical Storm Rene (2020), Tropical Storm Vicky (2020) and 19 more.
- Energy: 1% of the 1978 Atlantic season's ACE.