Overall Orange alert 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 (28 Nov 09:00 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 28 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

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
GREEN
5 28 Nov 2025 12:00 Tropical storm 65 no people 8.8 million people 8.6, 80.9 Sri Lanka
GREEN
5 29 Nov 2025 00:00 Tropical storm 65 no people 7.7 million people 9.4, 80.7 Sri Lanka
GREEN
5 29 Nov 2025 12:00 Tropical depression 56 no people no people 10.3, 80.5
GREEN
5 30 Nov 2025 00:00 Tropical depression 46 no people no people 11.2, 80.3
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 5.8 million people

Provinces

Region Province Country Population in Tropical Storm or higher strength
North Central Sri Lanka 1.4 million people
Eastern Sri Lanka 1.4 million people
Central Sri Lanka 2.7 million people
Uva Sri Lanka 1.4 million people
North Western Sri Lanka 2.5 million people
Northern Sri Lanka 840000 people
Sabaragamuwa Sri Lanka 2.2 million people
Western Sri Lanka 6.3 million people
Southern Sri Lanka 2.6 million people
Tamil Nadu India 5.5 million people
Pondicherry India 280000 people

Populated places

Name Region Province Country City class Population
Trincomalee North Eastern Sri Lanka City 110000 people
Anuradhapura North Central Sri Lanka City 61000 people
Batticaloa North Eastern Sri Lanka City 87000 people
Matale Central Sri Lanka City 36000 people
Kandy Central Sri Lanka City 110000 people
Kurunegala North Western Sri Lanka City 28000 people
Nuwara Eliya Central Sri Lanka City 25000 people
Gampaha Western Sri Lanka City 9300 people
Negombo Western Sri Lanka City 140000 people
Ragama Western Sri Lanka City 27000 people
Wattala Western Sri Lanka City 30000 people
Kotte Western Sri Lanka City 120000 people
Colombo Western Sri Lanka Capital 610000 people
Moratuwa Western Sri Lanka City 180000 people
Panadura Western Sri Lanka City -
Wadduwa Western Sri Lanka City -
Kalutara Western Sri Lanka City 38000 people
Jaffna North Eastern Sri Lanka City 170000 people
Ramesvaram Tamil Nadu India City -
Pamban Tamil Nadu India City -
Galle Southern Sri Lanka City 92000 people
Ramanathapuram Tamil Nadu India City 62000 people
Muttupet Tamil Nadu India City 21000 people
Pattukkottai Tamil Nadu India City 67000 people
Nagappattinam Tamil Nadu India City -
Thiruvarur Tamil Nadu India City 57000 people
Mannargudi Tamil Nadu India City 63000 people
Karikal Pondicherry India City -
Tranquebar Tamil Nadu India City -
Mayuram Tamil Nadu India City -
Kumbakonam Tamil Nadu India City 140000 people
Sirkazhi Tamil Nadu India City -

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)
Minneriya MNH 46 0
Sigiriya 191 0
China Bay TRR 2 Mil. Paved Yes 7300
Batticaloa BTC 3 Civ. Paved No 3400
Anuradhapura ADP 99 Mil. Paved No 4000
Vavuniya 91 0
Amparai GOY 46 Civ. Paved No 3600
Colombo Bandaranayake International CMB 9 Civ. Paved Yes 10900
Colombo Ratmalana RML 7 Civ. Paved Yes 6000
Wirawila 15 Mil. Paved No 4000
Katukurunda 3 0
Kankesanturai JAF 10 Civ. Paved Yes 7500
Koggala 3 0

Ports

Name LOCODE Country
Trincomalee LKTRR Sri Lanka
Batticaloa Roads Sri Lanka
Pulmoddai Sri Lanka
Mullaittivu Sri Lanka
Puttalam Sri Lanka
Mannar LKMAN Sri Lanka
Negombo Sri Lanka
Elephant Pass Sri Lanka
Okanda Sri Lanka
Colombo LKCMB Sri Lanka
Moratuwa Sri Lanka
Kalutara Sri Lanka
Jaffna LKJAF Sri Lanka
Hambantota LKHBA Sri Lanka
Kankesanturai LKKNK Sri Lanka
Kayts LKKAY Sri Lanka
Ambalangoda Sri Lanka
Dondra Head Sri Lanka
Panban India
Galle LKGAL Sri Lanka
Matara Sri Lanka
Weligama Bay Sri Lanka
Tondi India
Adirampattinam India
Nagapattinam INNPT India
Karikal INKRK India

Dams

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

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 Chiruttoppu, Sri Lanka. This height is estimated for 28 Nov 2025 09:00 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 (209 locations). Calculation based on advisory number 5 of 28 Nov 2025 00:00:00 UTC. (Simulation using 0.5 minute resolution)

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