Overall Red alert Tropical Cyclone for NIVAR-20
in India

Impact

Tropical Cyclone NIVAR-20 can have a high humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GFS
Exposed countries India
Exposed population No people in Category 1 or higher
Maximum wind speed 144 km/h
Maximum storm surge 0.5 m (25 Nov 19:15 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
GFS Current 144 km/h 0.5 m 787 mm 0.5
GFS Overall 144 km/h 0.5 m 787 mm 0.5

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



Wind exposed population - AoIs

Estimations based on the bulletin of 26 Nov 2020 12:00 UTC (Overall situation)
CategoryCountryPopulation 
Tropical StormIndia9,283,713 

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Winds (km/h) Pop in Cat. 1 or higher TS Cat. 1 Cat. 2 Cat. 3 Cat. 4 Cat. 5 Countries
GREEN 1 23 Nov 2020 12:00 65 - - - - - - -
GREEN 2 23 Nov 2020 18:00 76 - - - - - - -
GREEN 3 24 Nov 2020 00:00 83 - - - - - - -
GREEN 4 24 Nov 2020 06:00 76 - - - - - - -
GREEN 5 24 Nov 2020 12:00 86 - - - - - - -
GREEN 6 24 Nov 2020 18:00 115 - - - - - - -
GREEN 7 25 Nov 2020 00:00 119 - - - - - - -
GREEN 8 25 Nov 2020 06:00 112 - - - - - - -
GREEN 9 25 Nov 2020 12:00 144 -
- - - - - India
GREEN 10 25 Nov 2020 18:00 112 -
- - - - - India
GREEN 11 26 Nov 2020 00:00 94 -
- - - - - India
GREEN 12 26 Nov 2020 06:00 68 - - - - - - -
GREEN 13 26 Nov 2020 12:00 68 -
- - - - - India
Download:





Impact estimation for the next 72h

Rainfall

787 mm

Up to 51.3 million can be affected by rain higher than 100mm (see SSHS)





Rain exposed population - AoIs

Estimations based on the bulletin of 26 Nov 2020 12:00 UTC (Overall situation)
LevelCountryPopulation 
250-500 mmIndia8,231,767 
100-250 mmIndia, Sri Lanka43,064,175
+
India42,532,887 
Sri Lanka531,288 
50-100 mmIndia, Sri Lanka17,365,603
+
India16,019,367 
Sri Lanka1,346,236 

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 23 Nov 2020 12:00 18 - - - - - - -
Blue 2 23 Nov 2020 18:00 21 - - - - - - -
Blue 3 24 Nov 2020 00:00 23 - - - - - - -
Blue 4 24 Nov 2020 06:00 21 - - - - - - -
Blue 5 24 Nov 2020 12:00 24 - - - - - - -
Blue 6 24 Nov 2020 18:00 32 - - - - - - -
Blue 7 25 Nov 2020 00:00 33 - - - - - - -
Blue 8 25 Nov 2020 06:00 31 - - - - - - -
Blue 9 25 Nov 2020 12:00 40 870 thousand - - - - - - India
Blue 10 25 Nov 2020 18:00 31 8.7 million - - - - - - India
Blue 11 26 Nov 2020 00:00 26 3.1 million - - - - - - India
Blue 12 26 Nov 2020 06:00 19 - - - - - - -
Blue 13 26 Nov 2020 12:00 255 1.2 million
- - - - India




Impact estimation for the next 72h

StormSurge

0.5 m

The maximum Storm surge height is  0.5m in Kuvattur, India. This height is estimated for 25 Nov 2020 19:15 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 26 Nov 2020 12:00 UTC (Overall situation)
    
Alert Date (UTC) Name Country Storm surge height (m)
25 Nov 2020 19:15 Kuvattur India  0.5
25 Nov 2020 19:15 Mahabalipuram India  0.5
25 Nov 2020 10:15 Therunattam India  0.4
25 Nov 2020 10:15 Ennore India  0.4
25 Nov 2020 14:45 Durgarajupatnam India  0.4
24 Nov 2020 17:30 Mannar Sri Lanka  0.4
24 Nov 2020 17:30 Periyavilankuli Sri Lanka  0.4
24 Nov 2020 17:30 Attimoddai Sri Lanka  0.4
24 Nov 2020 17:30 Vellankulam Sri Lanka  0.4
24 Nov 2020 18:30 Chiruttoppu Sri Lanka  0.4
25 Nov 2020 00:00 Pooneryn Sri Lanka  0.4
25 Nov 2020 00:00 Aliavalai Sri Lanka  0.4
25 Nov 2020 19:15 Kelambakkam India  0.4
25 Nov 2020 19:15 Saint Thomas Mount India  0.4
25 Nov 2020 18:30 Madhavaram India  0.3
25 Nov 2020 18:30 Chennai India  0.3
25 Nov 2020 19:00 Marakkanam India  0.3
24 Nov 2020 17:00 Muttupettai India  0.3
24 Nov 2020 17:00 Panalkkulam India  0.3
24 Nov 2020 17:00 Irumeni India  0.3
24 Nov 2020 17:00 Pamban India  0.3
25 Nov 2020 09:45 Kavutarimunai Sri Lanka  0.3
25 Nov 2020 09:45 Nawaladi Sri Lanka  0.3
24 Nov 2020 18:45 Kiranchi Sri Lanka  0.3
25 Nov 2020 18:00 Tiruvottiyur India  0.3
24 Nov 2020 16:45 Talaimannar Sri Lanka  0.2
26 Nov 2020 03:45 Chakicherla India  0.2
26 Nov 2020 03:45 Vatturupallepalem India  0.2
26 Nov 2020 04:00 Ullapalem India  0.2
26 Nov 2020 04:00 Pakala India  0.2
26 Nov 2020 03:00 Govundlapalem India  0.2
25 Nov 2020 08:00 Idaikkadu Sri Lanka  0.2
25 Nov 2020 08:00 Ampan Sri Lanka  0.2
26 Nov 2020 03:15 Kodur India  0.2
24 Nov 2020 16:15 Rameswaram India  0.2
24 Nov 2020 18:15 Mudalaipalai Sri Lanka  0.2
24 Nov 2020 18:15 Kalpitiya Sri Lanka  0.2
24 Nov 2020 18:15 Karadipuval Sri Lanka  0.2
24 Nov 2020 18:15 Pomparippu Sri Lanka  0.2
26 Nov 2020 03:45 Kottapatnam India  0.2
26 Nov 2020 01:30 Jaffna Sri Lanka  0.2
25 Nov 2020 15:00 Pondicherry India  0.2
25 Nov 2020 15:00 Kalapettai India  0.2
25 Nov 2020 15:30 Purnankuppam India  0.2
25 Nov 2020 02:15 Point Pedro Sri Lanka  0.2
23 Nov 2020 14:30 Chundikkulam Sri Lanka  0.2
24 Nov 2020 12:45 Kankesanturai Sri Lanka  0.2
24 Nov 2020 16:00 Tirupalakudi India  0.2
26 Nov 2020 13:00 Kakinada India  0.2
25 Nov 2020 01:45 Tirumullaivasal India  0.2
25 Nov 2020 01:45 Kaveripattanam India  0.2
28 Nov 2020 15:30 Devipatam India  0.2
25 Nov 2020 01:45 Karaikal India  0.2
25 Nov 2020 01:45 Tranquebar India  0.2
25 Nov 2020 01:45 Tarangambadi India  0.2
26 Nov 2020 10:15 Peddapatnam India  0.2
24 Nov 2020 17:30 Anaippapan Sri Lanka  0.2
25 Nov 2020 03:45 Accarapatam India  0.2
25 Nov 2020 03:45 Nagappattinam India  0.2
25 Nov 2020 03:45 Kayts Sri Lanka  0.2
24 Nov 2020 01:30 Chalai Sri Lanka  0.2
24 Nov 2020 19:15 Kurichchikadu Sri Lanka  0.1
25 Nov 2020 02:00 Vedaranyam India  0.1
25 Nov 2020 02:00 Vedaranniyam India  0.1
25 Nov 2020 02:30 Velangann India  0.1
25 Nov 2020 13:00 Porto Novo India  0.1
25 Nov 2020 02:15 Kodigeri India  0.1
27 Nov 2020 07:00 Satabhaya India  0.1
25 Nov 2020 13:15 Cuddalore India  0.1
25 Nov 2020 04:00 Alampil Sri Lanka  0.1
25 Nov 2020 04:00 Karuvaddukkeni Sri Lanka  0.1
24 Nov 2020 17:30 Silavatturai Sri Lanka  0.1
24 Nov 2020 19:00 Delft Centre Sri Lanka  0.1
23 Nov 2020 20:00 Namkhana India  0.1
23 Nov 2020 20:00 Bijavbati India  0.1
25 Nov 2020 02:45 Pulmoddai Sri Lanka  0.1
25 Nov 2020 02:45 Analkaddimady Sri Lanka  0.1
25 Nov 2020 02:45 Walauttu Sri Lanka  0.1
24 Nov 2020 00:00 Foul Point Sri Lanka  0.1
24 Nov 2020 00:00 Anaitivu Sri Lanka  0.1
24 Nov 2020 03:00 Arukarkudah Sri Lanka  0.1
24 Nov 2020 03:00 Pirappaiyadimadu Sri Lanka  0.1
24 Nov 2020 03:00 Brynthuraichenai Sri Lanka  0.1
24 Nov 2020 03:00 Sittandy Sri Lanka  0.1
23 Nov 2020 13:45 Ammanthanaveli Sri Lanka  0.1
24 Nov 2020 01:15 Akkaraipattu Sri Lanka  0.1
24 Nov 2020 01:15 New Tirrukkovil Sri Lanka  0.1
28 Nov 2020 06:00 Bideipur India  0.1
23 Nov 2020 21:15 Chandkhali Bangladesh  0.1
23 Nov 2020 21:15 Kachupatra Bangladesh  0.1
23 Nov 2020 21:15 Char Chapli Bangladesh  0.1
23 Nov 2020 21:15 Bara Baliatali Bangladesh  0.1
23 Nov 2020 21:15 Kalapara Bangladesh  0.1
23 Nov 2020 21:15 Golbania Bangladesh  0.1
23 Nov 2020 21:15 Char Bagala Bangladesh  0.1
23 Nov 2020 21:15 Debpur Bangladesh  0.1
23 Nov 2020 21:15 Bhaylabania Bangladesh  0.1
23 Nov 2020 21:15 Chalitabunia Bangladesh  0.1
23 Nov 2020 21:15 Char Hare Bangladesh  0.1
23 Nov 2020 21:15 Neta Bangladesh  0.1
23 Nov 2020 21:15 Chhota Baisdia Bangladesh  0.1
26 Nov 2020 09:30 Nizampatam India  0.1
25 Nov 2020 08:00 Chittivalasa India  0.1
25 Nov 2020 08:00 Bhimunipatnam India  0.1
25 Nov 2020 08:00 Konada India  0.1
24 Nov 2020 03:15 Batticaloa Sri Lanka  0.1
24 Nov 2020 03:15 Kattankudi Sri Lanka  0.1
24 Nov 2020 03:15 Paddiruppu Sri Lanka  0.1
26 Nov 2020 05:00 Salaya India  0.1
26 Nov 2020 05:00 Jhankhar India  0.1
26 Nov 2020 05:00 Sika India  0.1
29 Nov 2020 11:30 Bamnia Bangladesh  0.1
29 Nov 2020 11:30 Charparbati Bangladesh  0.1
29 Nov 2020 11:30 Munshir Hat Bangladesh  0.1
29 Nov 2020 11:30 Tulatali Bangladesh  0.1
29 Nov 2020 11:30 Char Fakura Bangladesh  0.1
29 Nov 2020 11:30 Char Chandia Bangladesh  0.1
29 Nov 2020 11:30 Bara Ahmadpur Bangladesh  0.1
29 Nov 2020 11:30 Banskhali Bangladesh  0.1
29 Nov 2020 11:30 Bariakhali Bangladesh  0.1
29 Nov 2020 11:30 Char Kalidas Bangladesh  0.1
29 Nov 2020 11:30 Akbar Hat Bangladesh  0.1
29 Nov 2020 11:30 Dhalapara Bangladesh  0.1
29 Nov 2020 11:30 Jafarnagar Bangladesh  0.1
29 Nov 2020 11:30 Barabkunda Bangladesh  0.1
29 Nov 2020 11:30 Bansbaria Bangladesh  0.1
23 Nov 2020 20:00 Dubla Bangladesh  0.1
29 Nov 2020 11:30 Sandwip Bangladesh  0.1
24 Nov 2020 22:00 Uppuveli Sri Lanka  0.1
24 Nov 2020 22:00 Trincomalee Sri Lanka  0.1
25 Nov 2020 18:30 Kilakarai India  0.1
29 Nov 2020 11:15 Kumira Bangladesh  0.1
25 Nov 2020 18:30 Mumbai India  0.1
25 Nov 2020 18:30 Asumumbay India  0.1
25 Nov 2020 18:30 Uran India  0.1
25 Nov 2020 18:30 Trombay India  0.1
25 Nov 2020 18:30 Taloje India  0.1
26 Nov 2020 09:30 Kottapalem India  0.1
25 Nov 2020 12:00 Kulasekharapatnam India  0.1
25 Nov 2020 12:00 Tiruchendur India  0.1
25 Nov 2020 12:00 Kayalpatnam India  0.1
24 Nov 2020 11:15 Okanda Sri Lanka  0.1
24 Nov 2020 11:15 Panama Sri Lanka  0.1
24 Nov 2020 11:15 Pottuvil Sri Lanka  0.1
24 Nov 2020 15:45 Tondi India  0.1