Overall Green alert Tropical Cyclone for IAN-14
in Tonga

Event summary

Tropical Cyclone IAN-14 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 42304
Name IAN-14
From - To 06 Jan - 13 Jan
Exposed countries Tonga
Exposed population No people in Category 1 or higher
Maximum wind speed 232 km/h, Category 4
Maximum storm surge 0.6 m (11 Jan 01:00 UTC)
Vulnerability Medium (Tonga)

GDACS Score

For more info on GDACS alert score click here.
+ Wind Storm surge Rainfall GDACS score
GDACS 232 km/h 0.6 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF n.a n.a. n.a. n.a.
GFS n.a n.a. n.a. n.a.
ECMWF n.a n.a. n.a. n.a.
Beta Version - All weather systems in the area: maximum expected impact (wind, storm surge, rainfall)
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2015. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Articles: 49 | About casualties: 1 | Last hour: 0

‘High’ chance of second Pacific cyclone in a weekFri, 17 Jan 2014 10:51:00 +0100.

WELLINGTON: Meteorologists in the Pacific were keeping a close watch on a developing tropical storm near the Solomon Islands on Friday amid concerns it would develop into the region’s second cyclone in a week. On its present path the storm
...(more)
'High' chance of second Pacific cyclone in a weekFri, 17 Jan 2014 04:22:00 +0100.

WELLINGTON: Meteorologists in the Pacific were keeping a close watch on a developing tropical storm near the Solomon Islands Friday amid concerns it would develop into the region’s second cyclone in a week.
Le Pays assure son soutien et sa solidaritéThu, 16 Jan 2014 10:00:00 +0100.

Le président de la Polynésie française et son gouvernement adressent, par communiqué, leur soutien et leur solidarité à la population de Tonga, suite au passage du cyclone Ian, qui a dévasté cet archipel polynésien. Ce phénomène météorologi
...(more)
Relatives describe Tongan disasterThu, 16 Jan 2014 04:20:00 +0100.

A Palmerston North family has described how relatives in Tonga are picking through the ruins of their house to see if there is anything they can save. Cyclone Ian became a Category 5 hurricane and ravaged the northern Vava'u islands and the
...(more)

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: JRC (75), (2), BOM (1), JTWC (1), NASA (1), NOAA (1), OCHA (1), TRMM (1), WMO (1), INFORM (2),