World Map › Tropical Cyclones Since 1950 › 1971
Tropical Cyclone
Hurricane Ilsa (1971)
31 July 1971 · Eastern Pacific · Category 3
Hurricane Ilsa formed in the Eastern Pacific basin on 31 July 1971 and lasted 9 days. Its sustained winds reached 185 km/h, Category 3 on the Saffir-Simpson scale, with a minimum pressure of 978 hPa.
- Formed
- 31 July 1971
- Dissipated
- 8 August 1971
- Duration
- 9 days
- Basin
- Eastern Pacific
- Maximum Sustained Wind
- 185 km/h (100 kt)
- Category (Saffir-Simpson)
- 3
- Minimum Pressure
- 978 hPa
Other Cyclones of the Season
- Cat. 4Hurricane Denise222 km/h
- Cat. 3Hurricane Priscilla204 km/h
- Cat. 3Hurricane Francene:francesca185 km/h
- Cat. 3Hurricane Monica185 km/h
- Cat. 2Hurricane Bridget157 km/h
- Cat. 2Hurricane Hilary157 km/h
- Cat. 1Hurricane Lily139 km/h
Sources: IBTrACS v04r01, NOAA National Centers for Environmental Information (Knapp et al., 2010) · Wikidata · Natural Earth