Overall Green Tropical Cyclone alert for DANILO-21 in , Mauritius, Miscellaneous (French) Indian Ocean Islands from 01 Jan 2021 18:00 UTC to 08 Jan 2021 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 DANILO-21

in , Mauritius, Miscellaneous (French) Indian Ocean Islands

08 Jan 2021 00 UTC

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Meteorological source:

GDACS JTWC

Impact Single TC

Impact based on all weather systems in the area

Impact

Tropical Cyclone DANILO-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source	GDACS
Exposed countries	, Mauritius, Miscellaneous (French) Indian Ocean Islands
Exposed population	No people in Category 1 or higher
Maximum wind speed	130 km/h
Maximum storm surge	0.2 m (10 Jan 23:00 UTC)
Vulnerability	--

GDACS Score

GDACS alert score for Tropical Cyclones is 0.5 (GREEN Alert), 1.5 (ORANGE Alert), 2.5 (RED Alert)
For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
Current	83 km/h	0.2 m	n.a.	0.5
Overall	130 km/h	0.2 m	n.a.	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track) based on GDACS impact

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Wind

83 km/h Current Max.

Up to 2.2 million people in Tropical Storm strength or higher (see SSHS)

Impact Timeline

N°	Date (UTC)	Max Winds (km/h)	Population in Tropical Storm or higher	Population in Cat 1. or higher	Countries
1	01 Jan 2021 18:00	111	No people	No people
2	02 Jan 2021 00:00	111	No people	No people
3	02 Jan 2021 06:00	102	No people	No people
4	02 Jan 2021 12:00	130	No people	No people
5	02 Jan 2021 18:00	130	No people	No people
6	03 Jan 2021 00:00	130	No people	No people
7	03 Jan 2021 06:00	130	No people	No people
8	03 Jan 2021 12:00	130	40 thousand	No people	Mauritius
9	03 Jan 2021 18:00	130	No people	No people
10	04 Jan 2021 00:00	148	No people	No people
11	04 Jan 2021 12:00	139	40 thousand	No people	Mauritius
12	05 Jan 2021 00:00	139	40 thousand	No people	Mauritius
13	05 Jan 2021 12:00	130	1.3 million	No people	Mauritius, Miscellaneous (French) Indian Ocean Islands
14	06 Jan 2021 00:00	93	2.1 million	No people	Mauritius, Miscellaneous (French) Indian Ocean Islands
15	06 Jan 2021 12:00	74	2.2 million	No people	Mauritius, Miscellaneous (French) Indian Ocean Islands
16	07 Jan 2021 00:00	74	2.2 million	No people	Mauritius, Miscellaneous (French) Indian Ocean Islands
18	08 Jan 2021 00:00	83	2.2 million	No people	Mauritius, Miscellaneous (French) Indian Ocean Islands

Bulletin Timeline

N°	Date (UTC)	Category (SSHS)	Max winds (km/h)	Population in Cat.1 or higher	Population in Tropical Storm or higher	Location (lat, lon)
1	01 Jan 2021 18:00	Tropical storm	74	no people	no people	-11.2, 72.1
2	02 Jan 2021 00:00	Tropical storm	74	no people	no people	-10.8, 72
3	02 Jan 2021 06:00	Tropical storm	83	no people	no people	-10.5, 72.2
4	02 Jan 2021 12:00	Tropical storm	83	no people	no people	-10.8, 72.5
5	02 Jan 2021 18:00	Tropical storm	83	no people	no people	-11.1, 72.4
6	03 Jan 2021 00:00	Tropical storm	93	no people	no people	-11.2, 72.6
7	03 Jan 2021 06:00	Tropical storm	102	no people	no people	-11.7, 73.5
8	03 Jan 2021 12:00	Tropical storm	102	no people	no people	-12.3, 74.2
9	03 Jan 2021 18:00	Tropical storm	102	no people	no people	-12.7, 75
10	04 Jan 2021 00:00	Tropical storm	111	no people	no people	-14.1, 76
11	04 Jan 2021 12:00	Tropical storm	93	no people	no people	-15.4, 76.2
12	05 Jan 2021 00:00	Category 1	120	no people	no people	-16.1, 76.4
13	05 Jan 2021 12:00	Category 1	130	no people	no people	-16.7, 76
14	06 Jan 2021 00:00	Tropical storm	93	no people	no people	-16.9, 76
15	06 Jan 2021 12:00	Tropical storm	65	no people	no people	-16.5, 74.5
16	07 Jan 2021 00:00	Tropical storm	65	no people	no people	-16.3, 72.7
18	08 Jan 2021 00:00	Tropical storm	74	no people	no people	-17.1, 67.9
18	08 Jan 2021 12:00	Tropical storm	83	no people	no people	-17.3, 65.6
18	09 Jan 2021 00:00	Tropical storm	83	no people	no people	-17.6, 63.7
18	09 Jan 2021 12:00	Tropical storm	74	no people	no people	-18.1, 61.9
18	10 Jan 2021 00:00	Tropical storm	74	no people	2.1 million people	-18.9, 60.4
18	11 Jan 2021 00:00	Tropical storm	74	no people	2.2 million people	-20.7, 57.4
18	12 Jan 2021 00:00	Tropical storm	65	no people	no people	-22.1, 53.7
18	13 Jan 2021 00:00	Tropical depression	56	no people	no people	-23.5, 50.2

Actual track of the current bulletin

The alert for forecast greater than 3 days is limited to Orange level.

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Exposed population - AoIs

Exposed population in the potential affected countries, provinces and populated places

Countries

Country
Mauritius
Reunion

Provinces

Region Province	Country
Mauritius	Mauritius
Reunion	Miscellaneous (French) Indian Ocean Islands

Populated places

Name	Region Province	Country	City class	Population
Port Louis		Mauritius	Capital	150000 people
Saint-Denis		Reunion	Capital	140000 people

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)
Plaisance International	MRU	57	Civ.	Paved	Yes	9900
Saint Denis Gillot	RUN	20				0
St Pierre Pierrefonds	ZSE	16				0

Ports

Name	LOCODE	Country
Mahebourg		Mauritius
Port Louis	MUPLU	Mauritius
Saint Denis		Reunion
Saint Pierre		Reunion
Pointe Des Galets	REPDG	Reunion

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Rainfall

Rainfall accumulation of the past 24h, as detected by the Global Precipitation Measurement mission of NASA. For more information, see https://www.nasa.gov/mission_pages/GPM/main/index.html.

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StormSurge

0.2 m

The maximum Storm surge height is 0.2m in Grande Reviere Sud Est, Mauritius. This height is estimated for 10 Jan 2021 23:00 UTC .

The JRC has developed an experimental global storm surge model. The calculations are published about 20 minutes after a new advisory is detected by GDACS. The calculations identify the populated places affected by storm surge up to three days in advance, using the forecasted track. When forecasts change, the associated storm surge changes too and alert levels may go up or down. All links, data, statistics and maps refer to the latest available calculation. If the calculation for the last advisory is not completed, the latest available calculation is shown.

Locations affected by Storm surge (6 locations). Calculation based on advisory number 16 of 07 Jan 2021 00:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	10 Jan 2021 23:00	Grande Reviere Sud Est	Mauritius	0.2
	11 Jan 2021 00:00	Maheboug	Mauritius	0.2
	11 Jan 2021 00:00	Riche-en-Eau	Mauritius	0.1
	10 Jan 2021 23:00	Riviere du Rempart	Mauritius	0.1
	11 Jan 2021 00:00	Souillac	Mauritius	0.1
	11 Jan 2021 00:00	Chemin Grenier	Mauritius	0.1

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.