Overall Green Tropical Cyclone alert for JOBO-21 in Tanzania, Seychelles from 21 Apr 2021 00:00 UTC to 24 Apr 2021 18:00 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 JOBO-21

in Tanzania, Seychelles

24 Apr 2021 06 UTC

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to select bulletin time

Meteorological source:

GDACS JTWC

Impact Single TC

GFS
HWRF
ECMWF

Impact based on all weather systems in the area

Impact

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

Meteorological source	HWRF
Exposed countries	Tanzania
Exposed population	No people in Category 1 or higher
Maximum wind speed	72 km/h
Maximum storm surge	0.2 m (24 Apr 14:30 UTC)
Vulnerability	Medium (Tanzania)

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
HWRF Current	72 km/h	0.2 m	181 mm	0.5
HWRF Overall	137 km/h	0.2 m	699 mm	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

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Wind

137 km/h

Up to 50 thousand can be affected by wind speeds of Tropical Storm strength or above

Wind exposed population - AoIs

Estimations based on the bulletin of 24 Apr 2021 06:00 UTC

Category	Country	Population
Tropical Storm	Tanzania	51,306

See TC classification SSHS

Wind Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Winds (km/h)	Pop in Cat. 1 or higher	TS	Cat. 1	Cat. 2	Cat. 3	Cat. 4	Cat. 5	Countries
1	21 Apr 2021 00:00	90	-		-	-	-	-	-	Seychelles
2	21 Apr 2021 06:00	104	-		-	-	-	-	-	Seychelles
3	21 Apr 2021 12:00	137	-		-	-	-	-	-	Seychelles
4	21 Apr 2021 18:00	130	-		-	-	-	-	-	Seychelles
5	22 Apr 2021 00:00	83	-	-	-	-	-	-	-
6	22 Apr 2021 06:00	108	-	-	-	-	-	-	-
7	22 Apr 2021 12:00	97	-	-	-	-	-	-	-
8	22 Apr 2021 18:00	101	-	-	-	-	-	-	-
9	23 Apr 2021 00:00	94	-	-	-	-	-	-	-
10	23 Apr 2021 06:00	76	-	-	-	-	-	-	-
11	23 Apr 2021 12:00	83	-	-	-	-	-	-	-
12	23 Apr 2021 18:00	72	-	-	-	-	-	-	-
13	24 Apr 2021 00:00	68	-	-	-	-	-	-	-
14	24 Apr 2021 06:00	83	-		-	-	-	-	-	Tanzania

Download:

Impact estimation for the next 72h

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Rainfall

Rain exposed population - AoIs

Estimations based on the bulletin of 24 Apr 2021 06:00 UTC

Level	Country	Population
500-750 mm	Tanzania	322
250-500 mm	Tanzania	41,504
100-250 mm	Tanzania	1,398,385
50-100 mm	Tanzania, Mozambique	4,057,185	+
	Tanzania	4,053,341
	Mozambique	3,844

Rain Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Rainfall (mm)	Pop >100mm or higher	50-100	100-250	250-500	500-750	750-1000	>1000	Countries
1	21 Apr 2021 00:00	202	-		-	-	-	-	-	Seychelles
2	21 Apr 2021 06:00	229	Few people			-	-	-	-	Seychelles
3	21 Apr 2021 12:00	353	Few people			-	-	-	-	Seychelles
4	21 Apr 2021 18:00	651	Few people			-	-	-	-	Seychelles
5	22 Apr 2021 00:00	343	-	-	-	-	-	-	-
6	22 Apr 2021 06:00	315	-	-	-	-	-	-	-
7	22 Apr 2021 12:00	255	-	-	-	-	-	-	-
8	22 Apr 2021 18:00	219	-	-	-	-	-	-	-
9	23 Apr 2021 00:00	159	-	-	-	-	-	-	-
10	23 Apr 2021 06:00	286	-	-	-	-	-	-	-
11	23 Apr 2021 12:00	202	-	-	-	-	-	-	-
12	23 Apr 2021 18:00	75	-	-	-	-	-	-	-
13	24 Apr 2021 00:00	248	-	-	-	-	-	-	-
14	24 Apr 2021 06:00	548	1.4 million					-	-	Tanzania, Mozambique

Impact estimation for the next 72h

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StormSurge

0.2 m

The maximum Storm surge height is 0.2m in Taandani, Tanzania. This height is estimated for 24 Apr 2021 14:30 UTC .

The JRC has developed an experimental global storm surge model, which is run after each advisory issued by the regional tropical cyclone centres. 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.

Storm Surge Exposed population - AoIs

Storm Surge Exposed locations

Calculation based on the bulletin of 24 Apr 2021 06:00 UTC

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	24 Apr 2021 14:30	Taandani	Tanzania	0.2
	24 Apr 2021 14:30	Chekea	Tanzania	0.2
	24 Apr 2021 14:30	Uchangani	Tanzania	0.2
	24 Apr 2021 14:30	Temi	Tanzania	0.2
	24 Apr 2021 14:30	Chake	Tanzania	0.2
	24 Apr 2021 14:30	Ziwani	Tanzania	0.2
	24 Apr 2021 14:30	Kijichame	Tanzania	0.2
	24 Apr 2021 14:30	Jojo	Tanzania	0.2
	24 Apr 2021 14:30	Kitwea	Tanzania	0.2
	24 Apr 2021 14:30	Dutani	Tanzania	0.2
	24 Apr 2021 14:30	Hurumuzi	Tanzania	0.2
	24 Apr 2021 14:30	Vumba	Tanzania	0.2
	24 Apr 2021 14:15	Gulioni	Tanzania	0.2
	24 Apr 2021 14:15	Mapopwe	Tanzania	0.2
	24 Apr 2021 14:15	Mdudu Mdogo	Tanzania	0.2
	24 Apr 2021 14:15	Dikoni	Tanzania	0.2
	24 Apr 2021 14:15	Chwaka	Tanzania	0.2
	24 Apr 2021 14:15	Kitogani	Tanzania	0.2
	24 Apr 2021 14:15	Ukongoroni	Tanzania	0.2
	24 Apr 2021 14:15	Pingwe	Tanzania	0.2
	24 Apr 2021 14:15	Paje	Tanzania	0.2
	24 Apr 2021 14:15	Donge	Tanzania	0.1
	24 Apr 2021 14:15	Mkokotoni	Tanzania	0.1
	24 Apr 2021 14:15	Bwereu	Tanzania	0.1
	24 Apr 2021 14:15	Mkuuni	Tanzania	0.1
	24 Apr 2021 14:15	Gazija	Tanzania	0.1
	24 Apr 2021 06:15	Banda Kuu	Tanzania	0.1
	24 Apr 2021 13:15	Mkarangama	Tanzania	0.1
	24 Apr 2021 13:15	Chole	Tanzania	0.1
	24 Apr 2021 13:15	Kipingwe	Tanzania	0.1
	24 Apr 2021 13:15	Kirongwe	Tanzania	0.1
	24 Apr 2021 13:15	Jimbo	Tanzania	0.1
	24 Apr 2021 14:00	Mwera	Tanzania	0.1
	24 Apr 2021 14:00	Kilindoni	Tanzania	0.1
	24 Apr 2021 19:00	Kiombani	Tanzania	0.1
	24 Apr 2021 10:00	Maganja	Mozambique	0.1
	25 Apr 2021 03:45	Magawa	Tanzania	0.1
	25 Apr 2021 03:45	Msindaji	Tanzania	0.1
	25 Apr 2021 03:45	Mchungu	Tanzania	0.1
	24 Apr 2021 08:00	Fomboni	Comoros	0.1
	24 Apr 2021 08:00	Bandani	Comoros	0.1
	24 Apr 2021 08:00	Iconi	Comoros	0.1
	24 Apr 2021 23:30	Kisiju	Tanzania	0.1
	24 Apr 2021 10:15	Kilwa Masoko	Tanzania	0.1
	24 Apr 2021 10:15	Songa Manara I	Tanzania	0.1
	24 Apr 2021 10:15	Kuwea	Tanzania	0.1
	24 Apr 2021 18:30	Kiechuru	Tanzania	0.1
	24 Apr 2021 18:30	Jaja	Tanzania	0.1
	24 Apr 2021 18:30	Mbwera	Tanzania	0.1
	24 Apr 2021 14:30	Ifoundihe	Comoros	0.1
	24 Apr 2021 14:30	Chezani	Comoros	0.1
	24 Apr 2021 17:45	Capelelene	Mozambique	0.1
	24 Apr 2021 17:45	Nhiendgi	Mozambique	0.1
	24 Apr 2021 17:45	Maaia	Mozambique	0.1
	24 Apr 2021 17:45	Nacala	Mozambique	0.1
	24 Apr 2021 17:45	Chepa	Mozambique	0.1
	24 Apr 2021 17:45	Matiquite	Mozambique	0.1
	24 Apr 2021 17:45	Minhauine	Mozambique	0.1
	24 Apr 2021 23:45	Dondo	Tanzania	0.1
	25 Apr 2021 04:00	Nyambati	Tanzania	0.1
	25 Apr 2021 04:00	Salale	Tanzania	0.1
	25 Apr 2021 00:00	Mboamaji	Tanzania	0.1
	25 Apr 2021 00:00	Bandarini	Tanzania	0.1
	25 Apr 2021 00:00	Kutani	Tanzania	0.1
	24 Apr 2021 10:30	Sitarehe	Tanzania	0.1
	24 Apr 2021 10:30	Kengeja	Tanzania	0.1
	24 Apr 2021 09:00	Dembeni	Comoros	0.1
	24 Apr 2021 09:00	Mohoro	Comoros	0.1
	24 Apr 2021 09:00	Dzahadjou	Comoros	0.1
	24 Apr 2021 09:00	Chendini	Comoros	0.1
	24 Apr 2021 08:45	Tanambao	Madagascar	0.1
	24 Apr 2021 08:45	Fadrina	Madagascar	0.1
	24 Apr 2021 08:45	Andranofotsy	Madagascar	0.1
	24 Apr 2021 08:45	Bobasakoa	Madagascar	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.