Overall Orange Tropical Cyclone for DITWAH-25
in Sri Lanka, India

Impact

Tropical Cyclone DITWAH-25 can have a medium humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GDACS
Glide number: TC-2025-000218-LKA
Exposed countries Sri Lanka, India
Exposed population No people in Category 1 or higher
Maximum wind speed 65 km/h
Maximum storm surge 0.7 m (29 Nov 14:00 UTC)
Vulnerability High (India)
Landfall between
27 Nov 2025 06:00 - 27 Nov 2025 12:00

in Sri Lanka

GDACS Score

GDACS score for Tropical Cyclones is 0.5 (GREEN Level), 1.5 (ORANGE Level), 2.5 (RED Level)
For more info on GDACS core click here.
  Wind Storm surge Rainfall GDACS score
Current 65 km/h 0.7 m n.a. 1.5
Overall 65 km/h 0.7 m n.a. 1.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track) based on GDACS impact

Wind

65 km/h Current Max.

Up to 70.1 million people in Tropical Storm strength or higher (see SSHS)

Impact Timeline

Level Date (UTC) Max Winds (km/h) Population in
Tropical Storm or higher
Population in
Cat 1. or higher
Countries
Orange 1 27 Nov 2025 00:00 74 103.4 million No people Sri Lanka, India
Orange 2 27 Nov 2025 06:00 83 59.8 million No people Sri Lanka, India
Orange 3 27 Nov 2025 12:00 74 84.1 million No people Sri Lanka, India
Orange 4 27 Nov 2025 18:00 65 27.7 million No people Sri Lanka, India
Orange 5 28 Nov 2025 00:00 65 28 million No people Sri Lanka, India
Orange 6 28 Nov 2025 06:00 65 66.7 million No people Sri Lanka, India
Orange 7 28 Nov 2025 12:00 65 67.7 million No people Sri Lanka, India
Orange 8 28 Nov 2025 18:00 65 70.1 million No people Sri Lanka, India

Bulletin Timeline

Level Date (UTC) Category
(SSHS)
Max winds
(km/h)
Population in
Cat.1 or higher
Population in
Tropical Storm
or higher
Location (lat, lon) Countries
GREEN
1 27 Nov 2025 00:00 Tropical storm 65 no people 21.4 million people 6.6, 81.2
GREEN
2 27 Nov 2025 06:00 Tropical storm 65 no people 21.1 million people 7, 82.1
GREEN
3 27 Nov 2025 12:00 Tropical storm 65 no people 21.6 million people 7.6, 81.7 Sri Lanka
ORANGE
4 27 Nov 2025 18:00 Tropical storm 65 no people 24.1 million people 7.9, 81.3 Sri Lanka
ORANGE
5 28 Nov 2025 00:00 Tropical storm 65 no people 24 million people 8.1, 81.1 Sri Lanka
ORANGE
6 28 Nov 2025 06:00 Tropical storm 65 no people 32.1 million people 8.3, 81 Sri Lanka
GREEN
7 28 Nov 2025 12:00 Tropical storm 65 no people 9.5 million people 8.6, 80.9 Sri Lanka
ORANGE
8 28 Nov 2025 18:00 Tropical storm 65 no people 19.3 million people 9, 80.8 Sri Lanka
ORANGE
8 29 Nov 2025 06:00 Tropical storm 65 no people 27.1 million people 9.8, 80.6
ORANGE
8 29 Nov 2025 18:00 Tropical storm 65 no people 44 million people 10.8, 80.5
ORANGE
8 30 Nov 2025 06:00 Tropical storm 65 no people 38.7 million people 12, 80.5
GREEN
8 30 Nov 2025 18:00 Tropical depression 56 no people no people 13.2, 80.7
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.
Download:



Exposed population - AoIs

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

Countries

Country Population in Tropical Storm or higher strength
Sri Lanka 21.5 million people
India 47.7 million people

Provinces

Region Province Country Population in Tropical Storm or higher strength
Northern Sri Lanka 840000 people
Eastern Sri Lanka 1.4 million people
North Central Sri Lanka 1.4 million people
North Western Sri Lanka 2.5 million people
Central Sri Lanka 2.7 million people
Tamil Nadu India 41.9 million people
Uva Sri Lanka 1.4 million people
Sabaragamuwa Sri Lanka 2.2 million people
Western Sri Lanka 6.3 million people
Pondicherry India 1.6 million people
Southern Sri Lanka 2.6 million people
Andhra Pradesh India 4.2 million 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)
Vavuniya 91 0
China Bay TRR 2 Mil. Paved Yes 7300
Anuradhapura ADP 99 Mil. Paved No 4000
Minneriya MNH 46 0
Sigiriya 191 0
Kankesanturai JAF 10 Civ. Paved Yes 7500
Batticaloa BTC 3 Civ. Paved No 3400
Amparai GOY 46 Civ. Paved No 3600
Colombo Bandaranayake International CMB 9 Civ. Paved Yes 10900
Colombo Ratmalana RML 7 Civ. Paved Yes 6000
Tanjore 77 Civ. Paved No 6100
Thanjavur TJV unknown 0
Katukurunda 3 0
Tiruchchirappalli TRZ 89 Civ. Paved Yes 6100
Wirawila 15 Mil. Paved No 4000
Neyveli NVY unknown 0
Koggala 3 0
Pondicherry PNY 42 Civ. Paved No 4000
Tambaram 27 Mil. Paved No 5900
Madras Chennai MAA 15 Civ. Paved Yes 12000
Arkonam 84 Mil. Paved Yes 11000
Tirupathi TIR 106 Civ. Paved Yes 7500

Ports

Name LOCODE Country
Pulmoddai Sri Lanka
Mullaittivu Sri Lanka
Trincomalee LKTRR Sri Lanka
Elephant Pass Sri Lanka
Mannar LKMAN Sri Lanka
Jaffna LKJAF Sri Lanka
Kankesanturai LKKNK Sri Lanka
Kayts LKKAY Sri Lanka
Puttalam Sri Lanka
Batticaloa Roads Sri Lanka
Panban India
Tondi India
Adirampattinam India
Nagapattinam INNPT India
Negombo Sri Lanka
Karikal INKRK India
Colombo LKCMB Sri Lanka
Moratuwa Sri Lanka
Okanda Sri Lanka
Kalutara Sri Lanka
Tuticorin (New Tuticorin) INTUT India
Ambalangoda Sri Lanka
Hambantota LKHBA Sri Lanka
Cuddalore INCDL India
Galle LKGAL Sri Lanka
Dondra Head Sri Lanka
Pondicherry INPNY India
Weligama Bay Sri Lanka
Matara Sri Lanka
Madras INMAA India
Krishnapatnam India

Dams

Reservoir Dam Name River Year
Iranaimadu Kanagarayan Aru 1922
Nuwara Wewa 0
Mahadaragala Reservoir Nachchaduwa Wewa 300
Minneriya Wewa Minneriya 300
Lake Parakrama Parakrama Samudra Amban Ganga 386
Maduru Oya Maduru Oya 1983
Victoria Mahaweli 1984
Randenigala Mahaweli 1986
Senanayaka Samudra Senanayaka Samudra Gal Oya 1956
Kotmale Kotmale Oya 1985
Udawalawe Walawe Ganga 1973
Willingdon Periyarodai 1923

Nuclear Facilities

Site Name Type Name Country
Site-Kalpakkam Nuclear Fuel Cycle Coral India
Site-Madras Nuclear Power Reactor Madras-2 India
Site-Madras Research reactor FBTR India
Site-Madras Nuclear Power Reactor Madras-1 India
Site-Madras Research reactor KAMINI India

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.

...

StormSurge

0.7 m

The maximum Storm surge height is  0.7m in Pooneryn, Sri Lanka. This height is estimated for 29 Nov 2025 14:00 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 (218 locations). Calculation based on advisory number 8 of 28 Nov 2025 18:00:00 UTC. (Simulation using 0.5 minute resolution)

Level Date (UTC) Name Country Storm surge height (m)
29 Nov 2025 14:00 Pooneryn Sri Lanka  0.7
29 Nov 2025 14:00 Kiranchi Sri Lanka  0.7
29 Nov 2025 14:00 Idaikkadu Sri Lanka  0.7
29 Nov 2025 10:00 Chiruttoppu Sri Lanka  0.6
29 Nov 2025 10:00 Mannar Sri Lanka  0.6
29 Nov 2025 11:00 Kayts Sri Lanka  0.6
28 Nov 2025 10:00 Pamban India  0.6
29 Nov 2025 01:00 Talaimannar Sri Lanka  0.5
29 Nov 2025 08:00 Kurichchikadu Sri Lanka  0.5
28 Nov 2025 10:00 Irumeni India  0.5
29 Nov 2025 08:00 Delft Centre Sri Lanka  0.4
27 Nov 2025 04:00 Muttupettai India  0.4
27 Nov 2025 04:00 Panalkkulam India  0.4
29 Nov 2025 02:00 Anaippapan Sri Lanka  0.4
30 Nov 2025 07:00 Silavatturai Sri Lanka  0.4
27 Nov 2025 03:00 Kilakarai India  0.3
29 Nov 2025 01:00 Chundikkulam Sri Lanka  0.3
29 Nov 2025 00:00 Chalai Sri Lanka  0.3
29 Nov 2025 22:00 Quilon India  0.3
27 Nov 2025 04:00 Rameswaram India  0.3
28 Nov 2025 04:00 Pomparippu Sri Lanka  0.3
29 Nov 2025 01:00 Aliavalai Sri Lanka  0.3
29 Nov 2025 06:00 Kankesanturai Sri Lanka  0.3
29 Nov 2025 07:00 Point Pedro Sri Lanka  0.3
29 Nov 2025 01:00 Ampan Sri Lanka  0.3
30 Nov 2025 18:00 Therunattam India  0.3
28 Nov 2025 02:00 Vedaranyam India  0.3
28 Nov 2025 02:00 Vedaranniyam India  0.3
28 Nov 2025 02:00 Kodigeri India  0.3
30 Nov 2025 06:00 Kakinada India  0.3
27 Nov 2025 16:00 Pirappaiyadimadu Sri Lanka  0.3
27 Nov 2025 10:00 Kalmunai Sri Lanka  0.3
27 Nov 2025 04:00 Pottuvil Sri Lanka  0.3
27 Nov 2025 16:00 Arukarkudah Sri Lanka  0.3
27 Nov 2025 14:00 Brynthuraichenai Sri Lanka  0.3
27 Nov 2025 03:00 Tondi India  0.3
29 Nov 2025 20:00 Chakicherla India  0.3
27 Nov 2025 17:00 Ammanthanaveli Sri Lanka  0.2
28 Nov 2025 04:00 Kalpitiya Sri Lanka  0.2
29 Nov 2025 20:00 Pakala India  0.2
29 Nov 2025 22:00 Kottapatnam India  0.2
28 Nov 2025 01:00 Ammapatam India  0.2
28 Nov 2025 01:00 Manamelkudi India  0.2
27 Nov 2025 14:00 Sittandy Sri Lanka  0.2
27 Nov 2025 10:00 Paddiruppu Sri Lanka  0.2
27 Nov 2025 09:00 Ambalam Sri Lanka  0.2
30 Nov 2025 06:00 Alleppey India  0.2
30 Nov 2025 06:00 Ambalapulai India  0.2
29 Nov 2025 20:00 Ullapalem India  0.2
30 Nov 2025 06:00 Kayankulam India  0.2
30 Nov 2025 05:00 Peddapatnam India  0.2
27 Nov 2025 14:00 Vedakudiyiruppu Sri Lanka  0.2
27 Nov 2025 04:00 New Tirrukkovil Sri Lanka  0.2
30 Nov 2025 05:00 Karunagapalli India  0.2
27 Nov 2025 21:00 Anaitivu Sri Lanka  0.2
28 Nov 2025 19:00 Alampil Sri Lanka  0.2
29 Nov 2025 18:00 Porto Novo India  0.2
28 Nov 2025 01:00 Kattumavadi India  0.2
29 Nov 2025 06:00 Velangann India  0.2
29 Nov 2025 06:00 Nagappattinam India  0.2
28 Nov 2025 02:00 Foul Point Sri Lanka  0.2
29 Nov 2025 08:00 Karaikal India  0.2
29 Nov 2025 08:00 Accarapatam India  0.2
29 Nov 2025 13:00 Tranquebar India  0.2
29 Nov 2025 13:00 Tarangambadi India  0.2
27 Nov 2025 01:00 Yala Sri Lanka  0.2
27 Nov 2025 13:00 Batticaloa Sri Lanka  0.2
27 Nov 2025 12:00 Kottaippattanam India  0.2
29 Nov 2025 23:00 Kalapettai India  0.2
27 Nov 2025 13:00 Kattankudi Sri Lanka  0.2
27 Nov 2025 04:00 Akkaraipattu Sri Lanka  0.2
29 Nov 2025 13:00 Kaveripattanam India  0.2
29 Nov 2025 23:00 Marakkanam India  0.2
30 Nov 2025 06:00 Kelambakkam India  0.2
28 Nov 2025 03:00 Karuvaddukkeni Sri Lanka  0.2
28 Nov 2025 01:00 Pulmoddai Sri Lanka  0.2
28 Nov 2025 03:00 Analkaddimady Sri Lanka  0.2
28 Nov 2025 06:00 Uppuveli Sri Lanka  0.2
28 Nov 2025 03:00 Trincomalee Sri Lanka  0.2
30 Nov 2025 06:00 Mahabalipuram India  0.2
30 Nov 2025 06:00 Antarvedi India  0.2
27 Nov 2025 03:00 Panama Sri Lanka  0.2
30 Nov 2025 06:00 Haripad India  0.2
29 Nov 2025 13:00 Tirumullaivasal India  0.2
30 Nov 2025 01:00 Wattala Sri Lanka  0.2
30 Nov 2025 01:00 Ja-Ela Sri Lanka  0.2
30 Nov 2025 07:00 Bideipur India  0.2
28 Nov 2025 12:00 Durgarajupatnam India  0.2
29 Nov 2025 16:00 Vatturupallepalem India  0.2
30 Nov 2025 00:00 Govundlapalem India  0.2
30 Nov 2025 06:00 Madhavaram India  0.2
30 Nov 2025 06:00 Chennai India  0.2
30 Nov 2025 06:00 Tiruvottiyur India  0.2
30 Nov 2025 07:00 Rasalpur India  0.2
30 Nov 2025 07:00 Chandipur India  0.2
30 Nov 2025 10:00 Bisarikati Charkhanda Bangladesh  0.2
30 Nov 2025 11:00 Andharmanik Bangladesh  0.2
30 Nov 2025 11:00 Bausia Bangladesh  0.2
30 Nov 2025 10:00 Mehdigunj Bangladesh  0.2
30 Nov 2025 10:00 Mahisha Gagaria Bangladesh  0.2
30 Nov 2025 10:00 Char Nandanpur Bangladesh  0.2
30 Nov 2025 11:00 Char Hijla Bangladesh  0.2
30 Nov 2025 10:00 Char Chandra Prasad Bangladesh  0.2
30 Nov 2025 10:00 Char Kali Bangladesh  0.2
30 Nov 2025 10:00 Pangasia Bangladesh  0.2
30 Nov 2025 10:00 Jagannathpur Bangladesh  0.2
30 Nov 2025 11:00 Nilkamal Bangladesh  0.2
30 Nov 2025 11:00 Fatehjangpur Bangladesh  0.2
30 Nov 2025 12:00 Chandpur Bangladesh  0.2
30 Nov 2025 11:00 Mahishkhola Bangladesh  0.2
30 Nov 2025 11:00 Char Haim Bangladesh  0.2
30 Nov 2025 14:00 Bhatkul Bangladesh  0.2
30 Nov 2025 15:00 Banari Bangladesh  0.2
30 Nov 2025 15:00 Naria Bangladesh  0.2
30 Nov 2025 15:00 Hogla Char Bangladesh  0.2
30 Nov 2025 15:00 Baghia Bangladesh  0.2
30 Nov 2025 15:00 Atpara Bangladesh  0.2
30 Nov 2025 15:00 Adam Manirabad Bangladesh  0.2
30 Nov 2025 15:00 Char Tarabania Bangladesh  0.2
30 Nov 2025 15:00 Adhara Bangladesh  0.2
30 Nov 2025 06:00 Amaikuli Sri Lanka  0.1
30 Nov 2025 03:00 Negombo Sri Lanka  0.1
28 Nov 2025 03:00 Walauttu Sri Lanka  0.1
30 Nov 2025 06:00 Saint Thomas Mount India  0.1
30 Nov 2025 06:00 Chilaw Sri Lanka  0.1
30 Nov 2025 06:00 Arachchikattuwa Sri Lanka  0.1
30 Nov 2025 06:00 Akkaraweli Sri Lanka  0.1
30 Nov 2025 06:00 Gollapalem India  0.1
30 Nov 2025 11:00 Bageswari Bangladesh  0.1
30 Nov 2025 11:00 Chandkati Bangladesh  0.1
30 Nov 2025 11:00 Bazemahal Bangladesh  0.1
30 Nov 2025 11:00 Chandpur Bangladesh  0.1
30 Nov 2025 11:00 Harni Bangladesh  0.1
30 Nov 2025 11:00 Goal Bhaor Bangladesh  0.1
30 Nov 2025 11:00 Char Medua Bangladesh  0.1
30 Nov 2025 11:00 South Dighaldi Bangladesh  0.1
30 Nov 2025 11:00 Sakusia Bangladesh  0.1
30 Nov 2025 11:00 Baga Bangladesh  0.1
30 Nov 2025 11:00 Kalupura Bangladesh  0.1
30 Nov 2025 11:00 Bara Pata Bangladesh  0.1
30 Nov 2025 11:00 Char Bansi Bangladesh  0.1
30 Nov 2025 11:00 Char Munsi Bangladesh  0.1
30 Nov 2025 11:00 Char Lakshmi Bangladesh  0.1
30 Nov 2025 11:00 Hazari Bangladesh  0.1
30 Nov 2025 11:00 Majanadi Bangladesh  0.1
30 Nov 2025 11:00 Char Madhyam Lamchhidhali Bangladesh  0.1
30 Nov 2025 11:00 Hazipur Bangladesh  0.1
30 Nov 2025 11:00 Char Lawrence Bangladesh  0.1
30 Nov 2025 11:00 Char Falcon Bangladesh  0.1
30 Nov 2025 11:00 Chiladi Bangladesh  0.1
30 Nov 2025 12:00 Char Pyarimohan Bangladesh  0.1
30 Nov 2025 12:00 Char Faizuddin Bangladesh  0.1
28 Nov 2025 06:00 Puttalam Sri Lanka  0.1
28 Nov 2025 13:00 Cuddalore India  0.1
29 Nov 2025 15:00 Kodur India  0.1
29 Nov 2025 22:00 Purnankuppam India  0.1
30 Nov 2025 11:00 Chandpur Bangladesh  0.1
30 Nov 2025 11:00 Rabipur Bangladesh  0.1
30 Nov 2025 11:00 Char Kadira Bangladesh  0.1
30 Nov 2025 11:00 Char Algi Bangladesh  0.1
30 Nov 2025 11:00 Char Gazi Bangladesh  0.1
30 Nov 2025 11:00 Hatia Bangladesh  0.1
30 Nov 2025 11:00 Khaser Hat Bangladesh  0.1
30 Nov 2025 11:00 Nalchira Bangladesh  0.1
30 Nov 2025 11:00 Aswadia Bangladesh  0.1
30 Nov 2025 11:00 Ewazbalia Bangladesh  0.1
30 Nov 2025 11:00 Char Lakshmi Bangladesh  0.1
30 Nov 2025 11:00 Kanchanpur Bangladesh  0.1
30 Nov 2025 11:00 Char Manpura Bangladesh  0.1
30 Nov 2025 12:00 Miar Hat Bangladesh  0.1
30 Nov 2025 12:00 Char Ramiz Bangladesh  0.1
30 Nov 2025 12:00 Char Bedama Bangladesh  0.1
30 Nov 2025 12:00 Dasher Hat Bangladesh  0.1
30 Nov 2025 12:00 Chandhuri Hat Bangladesh  0.1
30 Nov 2025 10:00 Char Annadaprasad Bangladesh  0.1
30 Nov 2025 11:00 Char Krishnaprasad Bangladesh  0.1
30 Nov 2025 12:00 Maijchara Bangladesh  0.1
30 Nov 2025 12:00 Sagaria Bangladesh  0.1
30 Nov 2025 12:00 Char Ishwar Ray Bangladesh  0.1
30 Nov 2025 12:00 Char Ishwar Bangladesh  0.1
28 Nov 2025 01:00 Kirinda Sri Lanka  0.1
28 Nov 2025 06:00 Alankuda Sri Lanka  0.1
28 Nov 2025 06:00 Mudalaipalai Sri Lanka  0.1
28 Nov 2025 06:00 Karadipuval Sri Lanka  0.1
30 Nov 2025 07:00 Pentakota India  0.1
30 Nov 2025 09:00 Lamchhi Prasad Bangladesh  0.1
27 Nov 2025 01:00 Hambantota Sri Lanka  0.1
30 Nov 2025 07:00 Pondicherry India  0.1
30 Nov 2025 07:00 Satabhaya India  0.1
30 Nov 2025 09:00 Ghoshbagh Bangladesh  0.1
30 Nov 2025 11:00 Bamnia Bangladesh  0.1
30 Nov 2025 09:00 Munshir Hat Bangladesh  0.1
30 Nov 2025 11:00 Tulatali Bangladesh  0.1
30 Nov 2025 09:00 Sandwip Bangladesh  0.1
30 Nov 2025 09:00 Akbar Hat Bangladesh  0.1
30 Nov 2025 11:00 Nayamasti Bangladesh  0.1
30 Nov 2025 11:00 Bara Ahmadpur Bangladesh  0.1
30 Nov 2025 11:00 Banskhali Bangladesh  0.1
30 Nov 2025 11:00 Maitbhanga Bangladesh  0.1
30 Nov 2025 11:00 Dhalapara Bangladesh  0.1
30 Nov 2025 11:00 Bariakhali Bangladesh  0.1
30 Nov 2025 11:00 Kamla Char Bangladesh  0.1
30 Nov 2025 11:00 Barabkunda Bangladesh  0.1
30 Nov 2025 11:00 Bansbaria Bangladesh  0.1
30 Nov 2025 11:00 Kumira Bangladesh  0.1
30 Nov 2025 02:00 Lankavanidibba India  0.1
30 Nov 2025 02:00 Kottapalem India  0.1
30 Nov 2025 07:00 Bandamurlanka India  0.1
27 Nov 2025 23:00 Weligama Sri Lanka  0.1
27 Nov 2025 03:00 Okanda Sri Lanka  0.1
28 Nov 2025 01:00 Colombo Sri Lanka  0.1
28 Nov 2025 01:00 Dehiwala Sri Lanka  0.1
27 Nov 2025 12:00 Kuvattur India  0.1
27 Nov 2025 15:00 Ennore India  0.1
30 Nov 2025 10:00 Char Fakura Bangladesh  0.1
30 Nov 2025 10:00 Char Chandia Bangladesh  0.1
30 Nov 2025 10:00 Jafarnagar Bangladesh  0.1
28 Nov 2025 02:00 Beruwala Sri Lanka  0.1