1984 North Indian cyclone season
Apr–Jun · Oct–Dec · Season ended
The 1984 North Indian cyclone season produced 4 named storms, 2 at hurricane strength and 0 major storms, against a 1991–2020 average of 6.3, 2.0 and 1.0. Its accumulated cyclone energy was 21, 88% of the average.
1984 season at a glance
- Named storms: 4 (1991–2020 average 6.3).
- Hurricane strength (64 kt+): 2 (average 2.0).
- Major, 96 kt+: 0 (average 1.0).
- Accumulated cyclone energy: 20.8, 88% of the 24 average.
- Named-storm days: 17.0, counting each six-hourly fix at 34 kt or more as a quarter day.
- First named storm: Tropical Storm 1A, May 26.
- First storm at hurricane strength: Cyclone 3B, November 11.
- Last storm to dissipate: Cyclone 4B, December 8.
- All systems tracked: 7, including 3 that stayed below tropical-storm strength.
Counts use 1-minute best-track winds: named storms reached 34 kt (39 mph), the next column 64 kt (74 mph) and major storms 96 kt (111 mph). Regional agencies here use 10-minute winds (3-minute in India), so their official counts can differ.
Every storm of the 1984 season
| Storm | Dates | Peak | Min pressure | Landfall |
|---|---|---|---|---|
| TD 1A | – | TS | — | Hadibu, Yemen |
| Unnamed | – | TD | — | — |
| Unnamed | – | TD | — | — |
| Unnamed | – | TD | — | — |
| TD 2B | – | TS | — | Soro, India |
| TD 3B | – | C2 | — | Ponneri, India |
| TD 4B | – | C1 | — | Tirumullaivāsal, India |
- TD 1A: This system formed in the North Indian in May 1984 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h). It made 2 landfalls, first near Hadibu, Yemen and last near Agabar, Somalia. The system was tracked for 5 days.
- Unnamed: This system formed in the North Indian in June 1984 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h). It did not make landfall. The system was tracked for 1 day.
- Unnamed: This system formed in the North Indian in July 1984 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h). It did not make landfall. The system was tracked for 8 days.
- Unnamed: This system formed in the North Indian in August 1984 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h). It did not make landfall. The system was tracked for 5 days.
- TD 2B: This system formed in the North Indian in October 1984 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h). It made landfall near Soro, India. The system was tracked for 5 days.
- TD 3B: This system formed in the North Indian in November 1984 and peaked as a Category 2 cyclone with maximum sustained winds of 100 mph (155 km/h). It made 2 landfalls, first near Ponneri, India and last near Gūdūr, India. The system was tracked for 6 days.
- TD 4B: This system formed in the North Indian in November 1984 and peaked as a Category 1 cyclone with maximum sustained winds of 85 mph (140 km/h). It made landfall near Tirumullaivāsal, India. The system was tracked for 11 days.
Each summary is built from the storm’s best track.
Strongest storm of 1984
Cyclone 3B was the strongest storm of the season, peaking at 100 mph (155 km/h), on November 12. That is Category 2 strength on the Saffir-Simpson scale.
40 North Indian storms since 1980 peaked higher, and 5 matched it. It produced 44% of the season’s accumulated cyclone energy.
Landfalls in 1984
4 of the season’s 7 systems made landfall, 2 of them at hurricane strength. Each landfall point is listed with the nearest town and the wind at that moment.
- May 25: TD 1A near Hadibu, Yemen, 35 mph (tropical depression)
- May 28: TD 1A near Agabar, Somalia, 35 mph (tropical depression)
- October 14: TD 2B near Soro, India, 40 mph (tropical storm)
- November 13: TD 3B near Ponneri, India, 100 mph (Category 2)
- November 14: TD 3B near Gūdūr, India, 60 mph (tropical storm)
- December 1: TD 4B near Tirumullaivāsal, India, 80 mph (Category 1)
- December 7: TD 4B, 35 mph (tropical depression)
How 1984 ranks since 1980
The season ranks 39th of 47 North Indian seasons since 1980 for named storms (tied with 3 other seasons), 12th for hurricane strength (tied with 10 other seasons) and 16th for accumulated cyclone energy (tied with 1 other season).
The record since 1980 is 11 named storms, in 1998, and the highest ACE is 85, in 2019.
1984 storm names
No storm in the 1984 season was named.
7 systems were tracked without a name and are listed by number.
1984 season FAQ
How many named storms were there in 1984?
The 1984 North Indian cyclone season had 4 named storms, 2 at hurricane strength and 0 major storms, from 7 systems tracked in all. The 1991–2020 average is 6.3 named storms, 2.0 at 64 kt or more and 1.0 major per season. The first to form was Tropical Storm 1A and the last was Cyclone 4B.
What was the strongest storm of 1984?
Cyclone 3B. It peaked at 100 mph (155 km/h, 85 kt) on November 12. That is Category 2 strength on the Saffir-Simpson scale. 40 North Indian storms since 1980 peaked higher. It produced 44% of the season’s accumulated cyclone energy.
When did the 1984 season end?
The North Indian Ocean has no official season, so the 1984 season is the calendar year: every storm that formed by December 31 counts. The last system, Cyclone 4B, dissipated on December 8. Since 1980, 31 North Indian storms reached tropical-storm strength in December.