1984 Central Pacific hurricane season
Jun 1, 1984 – Nov 30, 1984 · Season ended
The 1984 Central Pacific hurricane season produced 2 named storms, 1 hurricane and 1 major hurricane, against a 1991–2020 average of 1.6, 0.8 and 0.5. Its accumulated cyclone energy was 11, 45% of the average.
1984 season at a glance
- Named storms: 2 (1991–2020 average 1.6).
- Hurricanes (64 kt+): 1 (average 0.8).
- Major, 96 kt+: 1 (average 0.5).
- Accumulated cyclone energy: 10.6, 45% of the 24 average.
- Named-storm days: 6.5, counting each six-hourly fix at 34 kt or more as a quarter day.
- First named storm: Keli, August 17.
- First hurricane: Keli, August 18.
- First major storm: Keli, August 20.
- Last storm to dissipate: Moke, September 5.
- All systems tracked: 2, every one of which reached 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).
Every storm of the 1984 season
- Keli: Keli formed in the Central Pacific in August 1984 and peaked as a Category 3 hurricane with maximum sustained winds of 115 mph (185 km/h). It did not make landfall. The system was tracked for 5 days.
- Moke: Moke formed in the Central Pacific in September 1984 and peaked as a tropical storm with maximum sustained winds of 50 mph (85 km/h). It did not make landfall. The system was tracked for 2 days.
Each summary is built from the storm’s best track.
Strongest storm of 1984
Hurricane Keli was the strongest storm of the season, peaking at 115 mph (185 km/h), on August 20. That is Category 3 strength on the Saffir-Simpson scale.
20 Central Pacific storms since 1980 peaked higher, and 3 matched it. It produced 90% of the season’s accumulated cyclone energy.
Landfalls in 1984
No storm in the 1984 Central Pacific hurricane season made landfall, according to the best track.
How 1984 ranks since 1980
The season ranks 8th of 47 Central Pacific seasons since 1980 for named storms (tied with 12 other seasons), 8th for hurricanes (tied with 18 other seasons) and 21st for accumulated cyclone energy.
The record since 1980 is 7 named storms, in 2015, and the highest ACE is 167, in 1992.
1984 storm names
The 1984 season used 2 names: Keli, Moke.
Central Pacific names are used in order across years from four lists, so a season picks up where the last one stopped. See the Central Pacific name lists.
1984 season FAQ
How many named storms were there in 1984?
The 1984 Central Pacific hurricane season had 2 named storms, 1 hurricane and 1 major hurricane, from 2 systems tracked in all. The 1991–2020 average is 1.6 named storms, 0.8 at 64 kt or more and 0.5 major per season. The first to form was Keli and the last was Moke.
What was the strongest storm of 1984?
Hurricane Keli. It peaked at 115 mph (185 km/h, 100 kt) on August 20. That is Category 3 strength on the Saffir-Simpson scale. 20 Central Pacific storms since 1980 peaked higher. It produced 90% of the season’s accumulated cyclone energy.
When did the 1984 season end?
The official season ended on November 30, 1984, as it does every year in the Atlantic, eastern Pacific and Central Pacific. The last system, Moke, dissipated on September 5. Storms that form in December still count toward that year: 2 Central Pacific storms since 1980 reached tropical-storm strength in December.