World Map › Tropical Cyclones Since 1950 › 1989
Tropical Cyclone
Tropical Storm Allison (1989)
24 June 1989 · North Atlantic
Tropical Storm Allison formed in the North Atlantic basin on 24 June 1989 and lasted 7 days. Its sustained winds reached 83 km/h, with a minimum pressure of 999 hPa. It made landfall in the United States of America.
- Formed
- 24 June 1989
- Dissipated
- 1 July 1989
- Duration
- 7 days
- Basin
- North Atlantic
- Maximum Sustained Wind
- 83 km/h (45 kt)
- Category (Saffir-Simpson)
- Tropical Storm
- Minimum Pressure
- 999 hPa
Countries Hit
- TSUnited States of America83 km/h
Other Cyclones of the Season
- Cat. 5Hurricane Hugo259 km/h
- Cat. 4Hurricane Gabrielle232 km/h
- Cat. 2Hurricane Dean167 km/h
- Cat. 1Hurricane Felix139 km/h
- Cat. 1Hurricane Jerry139 km/h
- Cat. 1Hurricane Chantal130 km/h
- TSTropical Storm Karen93 km/h
Sources: IBTrACS v04r01, NOAA National Centers for Environmental Information (Knapp et al., 2010) · Wikidata · Natural Earth