World Weather/Climate Extremes Website

Eastern Hemisphere: Greatest Twenty-four-Hour (1 Day) Rainfall

(Currently under investigation)

Record Value 1.825m (72")
Date of Record 7-8/1/1966
Length of Record 1966-1990
Instrumentation Tipping-Bucket Rain Gauge
Geospatial Location Foc-Foc, La Reunion [21°14'S, 55°41'E, elevation: 2990m (9810ft)]

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 3300 meters and steep valleys) amplify orographic uplift.

Foc-Foc, La Reuinion

Closeup Satellite Image of Foc-Foc, La Reunion, South Indian Ocean

Foc-Foc, La Reunion

Regional Satellite Image of Foc-Foc, La Reunion, South Indian Ocean