World: Greatest Twelve-Hour (1/2 Day) Rainfall
| Record Value | 1.144 m (45.0'') |
|---|---|
| Date of Record | 7-8 / 1 [January] / 1966 |
| Formal WMO Review | Yes (2010) |
| Length of Record | 1966-1990 |
| Instrumentation | Tipping-Bucket Rain Gauge |
| Geospatial Location | Foc-Foc, La Reunion [21°15'S, 55°40'E, elevation: 2290(7513ft)] |
References
Holland, G.J. (1993): WMO/TC-No. 560, Report No. TCP-31, World Meteorological Organization; Geneva, Switzerland. Also by Philippe Caroff (Operation Head RSMC/TC Warning Center, La Reunion)
Discussion
Event occurred with passage of Tropical Cyclone Denise in South Indian Ocean. Reunion Island is located approximately 670 kilometers east of Madagascar in the Indian Ocean. Extreme orography (mountains to 3071 meters and steep valleys) amplify orographic uplift.
Closeup Satellite Image of Foc-Foc, La Reunion, South Indian Ocean
Regional Satellite Image of Foc-Foc, La Reunion, South Indian Ocean