Overall Green Tropical Cyclone alert for DAHLIA-17 in Indonesia, Christmas Island from 30 Nov 2017 00:00 UTC to 03 Dec 2017 00:00 UTC

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 Green alert Tropical Cyclone for DAHLIA-17

in Indonesia, Christmas Island

Event summary

Tropical Cyclone DAHLIA-17 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID	TC 1000423
Name	DAHLIA-17
From - To	30 Nov - 03 Dec
Exposed countries	Indonesia, Christmas Island
Exposed population	No people in Category 1 or higher
Maximum wind speed	130 km/h Category 1
Maximum storm surge	0.2 m (02 Dec 01:00 UTC)
Vulnerability	-- (Indonesia)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	65 km/h	0.2 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	83 km/h	0.3 m	n.a.	0.5
GFS	56 km/h	0.6 m	n.a.	0.5
ECMWF	n.a	0.2 m	n.a.	0.5

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, 2024. 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

NASA Finds Newly Formed Tropical Storm Dahlia Battling Wind Shear 12/1/2017 7:50:00 PM.

. Published: December 1, 2017. Released by Tropical Storm Dahlia formed under the conditions of vertical wind shear, which displaced the bulk of its clouds north of the center. Infrared imagery from NASA's Aqua satellite revealed that Tropi

...(more)

View more news

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

Analytical products

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (38), (2), DesInventar (1), WMO (1), INFORM (2),

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.