GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Red alert Tropical Cyclone for GITA-18
in Tongafrom 09 Feb 2018 00:00 UTC to 13 Feb 2018 12:00 UTC
Extreme rainfall for tropical cyclone GITA-18

Satellite observations

Rain: Rainfall accumulaiton of the past 24h, as detected by the Global Precipitation Measurement mission of NASA. For more information, see