The 1990 season in numbers
The record holds 16 storms for the 1990 North Atlantic season, of which 14 had names.14 reached tropical storm strength (34 knots or more), 8 reached hurricane strength (category 1 or more) and 1 were major (category 3 or more).
- 16storms
- 14tropical storm strength or more
- 8hurricane strength or more
- 1major (category 3 to 5)
- 97accumulated cyclone energy
Accumulated cyclone energy adds up the squared wind speed of every position of 34 knots or more, divided by 10,000. It is approximate here because the winds are 1-minute equivalents, and it is mostly useful for comparing seasons of one basin.
Strongest storms of 1990
- Gustav (1990)24 August 1990 to 3 September 1990, peak Category 3 (105 kt), 956 hPa
- Diana (1990)4 August 1990 to 9 August 1990, peak Category 2 (85 kt), 980 hPa
- Isidore (1990)4 September 1990 to 17 September 1990, peak Category 2 (85 kt), 978 hPa
- Josephine (1990)21 September 1990 to 6 October 1990, peak Category 1 (75 kt), 980 hPa
- Nana (1990)16 October 1990 to 21 October 1990, peak Category 1 (75 kt), 989 hPa
All 16 storms of 1990
| Storm | Peak |
|---|---|
| Unnamed storm | Tropical depression |
| Arthur | Tropical storm |
| Bertha | Category 1 |
| Cesar | Tropical storm |
| Edouard | Tropical storm |
| Diana | Category 2 |
| Fran | Tropical storm |
| Gustav | Category 3 |
| Hortense | Tropical storm |
| Isidore | Category 2 |
| Unnamed storm | Tropical depression |
| Josephine | Category 1 |
| Klaus | Category 1 |
| Lili | Category 1 |
| Marco | Tropical storm |
| Nana | Category 1 |
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