Overall Orange Tropical Cyclone for DITWAH-25 in Sri Lanka, India from 27 Nov 2025 00:00 UTC to 29 Nov 2025 18:00 UTC

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

Overall Orange Tropical Cyclone for DITWAH-25

in Sri Lanka, India

28 Nov 2025 12 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 DITWAH-25 can have a medium humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source	HWRF
Exposed countries	Sri Lanka, India
Exposed population	No people in Category 1 or higher
Maximum wind speed	76 km/h
Maximum storm surge	0.6 m (28 Nov 19:30 UTC)
Vulnerability	High (India)

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	76 km/h	0.6 m	303 mm	0.5
HWRF Overall	90 km/h	0.6 m	735 mm	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

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Wind

90 km/h

Up to 770 thousand can be affected by wind speeds of Tropical Storm strength or above

Wind exposed population - AoIs

Estimations based on the bulletin of 28 Nov 2025 12:00 UTC

Category	Country	Population
Tropical Storm	Sri Lanka, India	765,999	+
	Sri Lanka	715,328
	Other countries	88
	India	50,582

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	Cat. 1	Cat. 2	Cat. 3	Cat. 4	Cat. 5	Countries
1	27 Nov 2025 06:00	83	-	-	-	-	-	-	Sri Lanka, Other countries
2	27 Nov 2025 12:00	79	-	-	-	-	-	-	Sri Lanka, Other countries
3	27 Nov 2025 18:00	90	-	-	-	-	-	-	Sri Lanka, Other countries
4	28 Nov 2025 00:00	79	-	-	-	-	-	-	Sri Lanka, Other countries
5	28 Nov 2025 06:00	76	-	-	-	-	-	-	Sri Lanka, Other countries
6	28 Nov 2025 12:00	79	-	-	-	-	-	-	Sri Lanka, Other countries, India

Download:

Impact estimation for the next 72h

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Rainfall

Rain exposed population - AoIs

Estimations based on the bulletin of 28 Nov 2025 12:00 UTC

Level	Country	Population
500-750 mm	India	355,022
250-500 mm	India, Sri Lanka	1,760,458	+
	India	1,555,861
	Sri Lanka	204,597
100-250 mm	India, Sri Lanka	20,473,497	+
	India	20,000,778
	Other countries	37
	Sri Lanka	472,682
50-100 mm	India, Sri Lanka	9,196,514	+
	India	8,819,181
	Other countries	68
	Sri Lanka	377,264

Rain Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Rainfall (mm)	Pop >100mm or higher	250-500	500-750	750-1000	>1000	Countries
1	27 Nov 2025 06:00	253	1.5 million	-	-	-	-	Sri Lanka, Other countries
2	27 Nov 2025 12:00	201	790 thousand	-	-	-	-	Sri Lanka, Other countries
3	27 Nov 2025 18:00	252	480 thousand	-	-	-	-	Sri Lanka, Other countries
4	28 Nov 2025 00:00	273	140 thousand		-	-	-	Sri Lanka, Other countries
5	28 Nov 2025 06:00	192	170 thousand	-	-	-	-	Sri Lanka, Other countries
6	28 Nov 2025 12:00	638	22.6 million			-	-	India, Other countries, Sri Lanka

Impact estimation for the next 72h

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StormSurge

0.6 m

The maximum Storm surge height is 0.6m in Attimoddai, Sri Lanka. This height is estimated for 28 Nov 2025 19:30 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 28 Nov 2025 12:00 UTC

Level	Date (UTC)	Name	Country	Storm surge height (m)
	28 Nov 2025 19:30	Attimoddai	Sri Lanka	0.6
	28 Nov 2025 19:30	Kiranchi	Sri Lanka	0.6
	28 Nov 2025 19:30	Vellankulam	Sri Lanka	0.6
	28 Nov 2025 20:45	Kavutarimunai	Sri Lanka	0.6
	28 Nov 2025 20:45	Nawaladi	Sri Lanka	0.6
	28 Nov 2025 20:45	Pooneryn	Sri Lanka	0.6
	28 Nov 2025 22:15	Mannar	Sri Lanka	0.6
	28 Nov 2025 22:15	Periyavilankuli	Sri Lanka	0.6
	29 Nov 2025 04:15	Aliavalai	Sri Lanka	0.6
	28 Nov 2025 21:30	Chiruttoppu	Sri Lanka	0.6
	29 Nov 2025 04:15	Idaikkadu	Sri Lanka	0.5
	29 Nov 2025 04:15	Ampan	Sri Lanka	0.5
	28 Nov 2025 20:30	Jaffna	Sri Lanka	0.5
	28 Nov 2025 20:15	Talaimannar	Sri Lanka	0.4
	28 Nov 2025 20:15	Kurichchikadu	Sri Lanka	0.4
	28 Nov 2025 20:45	Kayts	Sri Lanka	0.3
	28 Nov 2025 12:00	Point Pedro	Sri Lanka	0.3
	28 Nov 2025 20:30	Delft Centre	Sri Lanka	0.3
	28 Nov 2025 12:00	Alampil	Sri Lanka	0.3
	28 Nov 2025 20:30	Kankesanturai	Sri Lanka	0.3
	28 Nov 2025 16:00	Silavatturai	Sri Lanka	0.2
	28 Nov 2025 13:00	Ammanthanaveli	Sri Lanka	0.2
	28 Nov 2025 13:00	Arukarkudah	Sri Lanka	0.2
	28 Nov 2025 13:00	Pirappaiyadimadu	Sri Lanka	0.2
	28 Nov 2025 13:00	Brynthuraichenai	Sri Lanka	0.2
	28 Nov 2025 15:45	Pomparippu	Sri Lanka	0.2
	28 Nov 2025 15:45	Anaippapan	Sri Lanka	0.2
	01 Dec 2025 06:00	Wadgam	India	0.2
	01 Dec 2025 06:00	Kambhat	India	0.2
	01 Dec 2025 06:00	Kavi	India	0.2
	01 Dec 2025 06:00	Sarod	India	0.2
	28 Nov 2025 12:00	Chundikkulam	Sri Lanka	0.2
	28 Nov 2025 16:30	Mudalaipalai	Sri Lanka	0.2
	28 Nov 2025 16:30	Kalpitiya	Sri Lanka	0.2
	28 Nov 2025 16:30	Karadipuval	Sri Lanka	0.2
	29 Nov 2025 11:45	Kwanhla	Myanmar	0.2
	29 Nov 2025 11:45	Tagukana	Myanmar	0.2
	29 Nov 2025 11:45	Kyaikkami	Myanmar	0.2
	29 Nov 2025 11:45	Hpayagon	Myanmar	0.2
	29 Nov 2025 13:45	Shwe-o	Myanmar	0.2
	29 Nov 2025 13:45	Alanbya	Myanmar	0.2
	29 Nov 2025 13:45	Kyaikto	Myanmar	0.2
	29 Nov 2025 13:45	Kyaikpi	Myanmar	0.2
	29 Nov 2025 13:45	Kawbein	Myanmar	0.2
	29 Nov 2025 14:00	Damathat	Myanmar	0.2
	29 Nov 2025 13:45	Pauktaw	Myanmar	0.2
	29 Nov 2025 13:45	Zokali	Myanmar	0.2
	29 Nov 2025 13:45	Taungxun	Myanmar	0.2
	01 Dec 2025 05:45	Asarsa	India	0.2
	01 Dec 2025 05:45	Tankari	India	0.2
	29 Nov 2025 13:45	Taunggyi	Myanmar	0.2
	29 Nov 2025 13:45	Budin	Myanmar	0.2
	29 Nov 2025 13:45	Kadaik	Myanmar	0.2
	29 Nov 2025 13:15	Mahameik	Myanmar	0.2
	29 Nov 2025 13:15	Thamaseikta	Myanmar	0.2
	29 Nov 2025 14:00	Kangyisu	Myanmar	0.2
	28 Nov 2025 12:00	Chalai	Sri Lanka	0.2
	28 Nov 2025 13:30	Rameswaram	India	0.2
	29 Nov 2025 13:30	Tanbingyaung	Myanmar	0.2
	28 Nov 2025 18:00	Anin	Myanmar	0.2
	29 Nov 2025 13:30	Darein	Myanmar	0.2
	28 Nov 2025 12:00	Pamban	India	0.2
	01 Dec 2025 05:30	Harinagar	India	0.2
	29 Nov 2025 14:00	Shangyaung	Myanmar	0.2
	28 Nov 2025 12:00	Irumeni	India	0.2
	28 Nov 2025 12:00	Panalkkulam	India	0.2
	29 Nov 2025 12:00	Khindan	Myanmar	0.2
	29 Nov 2025 12:00	Munaing	Myanmar	0.2
	29 Nov 2025 11:45	Daingwunkwin	Myanmar	0.2
	29 Nov 2025 13:00	Paung	Myanmar	0.2
	28 Nov 2025 13:30	Sachet	Myanmar	0.2
	28 Nov 2025 13:30	Taikkyua	Myanmar	0.2
	28 Nov 2025 13:30	Kokkabyin	Myanmar	0.2
	28 Nov 2025 13:30	Thabyichaung	Myanmar	0.2
	28 Nov 2025 13:30	Nga Thamok	Myanmar	0.2
	01 Dec 2025 05:30	Ghogha	India	0.2
	29 Nov 2025 13:00	Kala-ywa	Myanmar	0.2
	29 Nov 2025 13:00	Ase-ywa	Myanmar	0.2
	28 Nov 2025 12:45	Pulmoddai	Sri Lanka	0.2
	28 Nov 2025 12:45	Analkaddimady	Sri Lanka	0.2
	28 Nov 2025 12:45	Walauttu	Sri Lanka	0.2
	28 Nov 2025 13:45	Karuvaddukkeni	Sri Lanka	0.1
	01 Dec 2025 05:15	Dahej	India	0.1
	28 Nov 2025 14:15	Panama	Sri Lanka	0.1
	28 Nov 2025 14:15	Pottuvil	Sri Lanka	0.1
	28 Nov 2025 14:00	Kakinada	India	0.1
	28 Nov 2025 13:45	Kodigeri	India	0.1
	28 Nov 2025 13:45	Vedaranyam	India	0.1
	28 Nov 2025 13:45	Vedaranniyam	India	0.1
	29 Nov 2025 11:45	Kayindaung	Myanmar	0.1
	28 Nov 2025 15:00	Thitpon	Myanmar	0.1
	28 Nov 2025 15:00	Meinmagwe	Myanmar	0.1
	28 Nov 2025 15:00	Kyaukiwe	Myanmar	0.1
	28 Nov 2025 12:00	Devipatam	India	0.1
	28 Nov 2025 12:00	Muttupettai	India	0.1
	28 Nov 2025 12:00	Tirupalakudi	India	0.1
	28 Nov 2025 20:00	Gosongtelaga	Indonesia	0.1
	28 Nov 2025 20:00	Silabuhan	Indonesia	0.1
	28 Nov 2025 16:45	Anaitivu	Sri Lanka	0.1
	29 Nov 2025 04:30	Peureulak	Indonesia	0.1
	28 Nov 2025 19:30	Pasar Singkil	Indonesia	0.1
	29 Nov 2025 01:00	Karaikal	India	0.1
	29 Nov 2025 01:00	Accarapatam	India	0.1
	29 Nov 2025 01:00	Nagappattinam	India	0.1
	29 Nov 2025 01:00	Tranquebar	India	0.1
	29 Nov 2025 01:00	Tarangambadi	India	0.1
	28 Nov 2025 22:00	Velangann	India	0.1
	28 Nov 2025 16:15	Sibsa Point	Bangladesh	0.1
	28 Nov 2025 16:15	Dubla	Bangladesh	0.1
	28 Nov 2025 12:15	Uppuveli	Sri Lanka	0.1
	28 Nov 2025 12:15	Trincomalee	Sri Lanka	0.1
	28 Nov 2025 12:15	Foul Point	Sri Lanka	0.1
	28 Nov 2025 18:00	Thinbawzeik	Myanmar	0.1
	01 Dec 2025 12:00	Kuvattur	India	0.1
	01 Dec 2025 12:00	Mahabalipuram	India	0.1
	01 Dec 2025 11:30	Kelambakkam	India	0.1
	28 Nov 2025 16:45	Kumana	Sri Lanka	0.1
	28 Nov 2025 16:45	Okanda	Sri Lanka	0.1
	28 Nov 2025 13:00	Bhagva	India	0.1
	28 Nov 2025 13:00	Olpad	India	0.1
	01 Dec 2025 12:00	Durgarajupatnam	India	0.1
	28 Nov 2025 13:45	Magyi-ywa	Myanmar	0.1
	29 Nov 2025 13:45	Thaunggon	Myanmar	0.1
	29 Nov 2025 13:45	Mibya	Myanmar	0.1
	29 Nov 2025 14:45	Kyauktan	Myanmar	0.1
	28 Nov 2025 14:00	Kyaungbyin-ok	Myanmar	0.1
	28 Nov 2025 13:15	Geinyale	India	0.1
	28 Nov 2025 13:15	Chetamale	India	0.1
	01 Dec 2025 12:00	Saint Thomas Mount	India	0.1
	01 Dec 2025 12:00	Madhavaram	India	0.1
	01 Dec 2025 12:00	Chennai	India	0.1
	28 Nov 2025 18:00	Wegalaung	Myanmar	0.1
	28 Nov 2025 18:00	Karokpi	Myanmar	0.1
	28 Nov 2025 13:30	Taung-ywa	Myanmar	0.1
	28 Nov 2025 16:30	Rantopanjang	Indonesia	0.1
	28 Nov 2025 16:30	Kutabagok	Indonesia	0.1
	28 Nov 2025 17:15	Duya	Myanmar	0.1
	28 Nov 2025 17:15	Khawsa	Myanmar	0.1
	28 Nov 2025 18:00	Andin	Myanmar	0.1
	29 Nov 2025 13:00	Kaveripattanam	India	0.1
	01 Dec 2025 12:00	Therunattam	India	0.1
	30 Nov 2025 13:15	Marakkanam	India	0.1
	29 Nov 2025 11:45	Tirumullaivasal	India	0.1
	29 Nov 2025 15:45	Kodaung	Myanmar	0.1
	29 Nov 2025 15:45	Hngetkyidaung	Myanmar	0.1
	29 Nov 2025 15:45	Thegondan	Myanmar	0.1
	28 Nov 2025 18:15	Wagaru	Myanmar	0.1
	01 Dec 2025 12:00	Tiruvottiyur	India	0.1
	29 Nov 2025 10:00	Porto Novo	India	0.1
	28 Nov 2025 12:00	Idirayeuk	Indonesia	0.1
	28 Nov 2025 15:00	Amaw	Myanmar	0.1
	28 Nov 2025 15:00	Gyibyin	Myanmar	0.1
	28 Nov 2025 15:00	Temauk	Myanmar	0.1
	28 Nov 2025 15:00	Shwehle	Myanmar	0.1
	30 Nov 2025 13:30	Pondicherry	India	0.1
	30 Nov 2025 13:30	Kalapettai	India	0.1
	28 Nov 2025 12:30	Akkaraipattu	Sri Lanka	0.1
	28 Nov 2025 12:30	New Tirrukkovil	Sri Lanka	0.1
	01 Dec 2025 11:30	Ennore	India	0.1
	28 Nov 2025 13:30	Chaung-wa	Myanmar	0.1
	28 Nov 2025 13:30	Kyaukpyu	Myanmar	0.1
	28 Nov 2025 13:30	Kalaba	Myanmar	0.1
	28 Nov 2025 13:30	Chauklangwe	Myanmar	0.1
	28 Nov 2025 13:30	Dodan	Myanmar	0.1
	28 Nov 2025 13:30	Kabaingchaung	Myanmar	0.1
	28 Nov 2025 15:45	Idi	Indonesia	0.1
	28 Nov 2025 17:45	Agastiswaram	India	0.1
	28 Nov 2025 17:45	Cape Comorin	India	0.1
	28 Nov 2025 17:45	Erukkandurai	India	0.1
	28 Nov 2025 17:45	Vijayapati	India	0.1

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