Overall Red alert Tropical Cyclone for NIVAR-20
in India
25 Nov 2020 12 UTC
click on to select bulletin time
Impact Single TC
Impact based on all weather systems in the area

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 0.4 m (25 Nov 14:00 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 0.4 m 40 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)

TOP

Wind



Wind exposed population - AoIs

Estimations based on the bulletin of 25 Nov 2020 12:00 UTC
CategoryCountryPopulation 
Tropical StormIndia7,731,835 

See TC classification SSHS


Wind Impact Timeline

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


Alert 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
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
Download:





Impact estimation for the next 72h
TOP

Rainfall

787 mm

Up to 28.2 million can be affected rain lower than 100mm





Rain exposed population - AoIs

Estimations based on the bulletin of 25 Nov 2020 12:00 UTC
LevelCountryPopulation 
250-500 mmIndia2,572,624 
100-250 mmIndia37,605,613 
50-100 mmIndia, Sri Lanka28,245,433
+
India27,612,191 
Sri Lanka633,242 

Rain Impact Timeline

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


Alert N° 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 12:00 333 40.2 million
- - - India, Sri Lanka




Impact estimation for the next 72h
TOP

StormSurge

0.4 m

The maximum Storm surge height is  0.4m in Kuvattur, India. This height is estimated for 25 Nov 2020 14:00 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 25 Nov 2020 12:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
25 Nov 2020 14:00 Kuvattur India  0.4
25 Nov 2020 14:00 Mahabalipuram India  0.4
25 Nov 2020 14:45 Durgarajupatnam India  0.4
25 Nov 2020 18:45 Kelambakkam India  0.4
25 Nov 2020 18:45 Saint Thomas Mount India  0.4
25 Nov 2020 18:45 Madhavaram India  0.4
25 Nov 2020 18:45 Chennai India  0.4
25 Nov 2020 14:45 Therunattam India  0.3
25 Nov 2020 14:45 Ennore India  0.3
25 Nov 2020 13:45 Marakkanam India  0.3
25 Nov 2020 12:00 Pooneryn Sri Lanka  0.3
25 Nov 2020 12:00 Aliavalai Sri Lanka  0.3
25 Nov 2020 12:00 Kavutarimunai Sri Lanka  0.3
25 Nov 2020 12:00 Nawaladi Sri Lanka  0.3
25 Nov 2020 18:00 Tiruvottiyur India  0.3
25 Nov 2020 21:30 Chakicherla India  0.2
25 Nov 2020 21:30 Vatturupallepalem India  0.2
25 Nov 2020 23:00 Govundlapalem India  0.2
26 Nov 2020 02:45 Ullapalem India  0.2
26 Nov 2020 02:45 Pakala India  0.2
26 Nov 2020 05:15 Kottapatnam India  0.2
26 Nov 2020 02:00 Idaikkadu Sri Lanka  0.2
26 Nov 2020 02:00 Ampan Sri Lanka  0.2
26 Nov 2020 01:30 Jaffna Sri Lanka  0.2
26 Nov 2020 00:00 Talaimannar Sri Lanka  0.2
26 Nov 2020 00:00 Chiruttoppu Sri Lanka  0.2
26 Nov 2020 00:00 Mannar 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
26 Nov 2020 00:00 Periyavilankuli Sri Lanka  0.2
25 Nov 2020 23:15 Kodur India  0.2
25 Nov 2020 15:00 Tirumullaivasal India  0.2
25 Nov 2020 15:00 Kaveripattanam India  0.2
26 Nov 2020 11:00 Peddapatnam India  0.2
26 Nov 2020 13:00 Kakinada India  0.1
25 Nov 2020 13:00 Porto Novo India  0.1
25 Nov 2020 13:15 Cuddalore India  0.1
25 Nov 2020 13:00 Alampil Sri Lanka  0.1
25 Nov 2020 13:00 Karuvaddukkeni Sri Lanka  0.1
25 Nov 2020 23:45 Silavatturai Sri Lanka  0.1
28 Nov 2020 12:00 Bamnia Bangladesh  0.1
28 Nov 2020 12:00 Charparbati Bangladesh  0.1
28 Nov 2020 12:00 Munshir Hat Bangladesh  0.1
28 Nov 2020 12:00 Tulatali Bangladesh  0.1
28 Nov 2020 12:00 Char Fakura Bangladesh  0.1
28 Nov 2020 12:00 Char Chandia Bangladesh  0.1
28 Nov 2020 12:00 Bara Ahmadpur Bangladesh  0.1
28 Nov 2020 12:00 Banskhali Bangladesh  0.1
28 Nov 2020 12:00 Bariakhali Bangladesh  0.1
28 Nov 2020 12:00 Char Kalidas Bangladesh  0.1
28 Nov 2020 12:00 Akbar Hat Bangladesh  0.1
28 Nov 2020 12:00 Dhalapara Bangladesh  0.1
26 Nov 2020 07:45 Nizampatam India  0.1
28 Nov 2020 12:00 Jafarnagar Bangladesh  0.1
28 Nov 2020 12:00 Barabkunda Bangladesh  0.1
28 Nov 2020 12:00 Bansbaria Bangladesh  0.1
25 Nov 2020 14:00 Nagappattinam India  0.1
25 Nov 2020 14:00 Tranquebar India  0.1
25 Nov 2020 14:00 Tarangambadi India  0.1
28 Nov 2020 12:00 Sandwip Bangladesh  0.1
25 Nov 2020 14:00 Karaikal India  0.1
25 Nov 2020 14:00 Accarapatam India  0.1
25 Nov 2020 15:15 Velangann India  0.1
28 Nov 2020 12:00 Kumira Bangladesh  0.1
26 Nov 2020 12:45 Kattumavadi India  0.1
26 Nov 2020 12:45 Atirampattinam India  0.1
26 Nov 2020 13:30 Kodigeri India  0.1
25 Nov 2020 15:00 Vedaranyam India  0.1
25 Nov 2020 15:00 Vedaranniyam India  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
26 Nov 2020 00:45 Kurichchikadu Sri Lanka  0.1
26 Nov 2020 00:45 Kayts Sri Lanka  0.1
25 Nov 2020 14:30 Kankesanturai Sri Lanka  0.1
25 Nov 2020 14:30 Point Pedro Sri Lanka  0.1
26 Nov 2020 14:00 Manamelkudi India  0.1
25 Nov 2020 18:15 Pamban India  0.1
25 Nov 2020 18:15 Rameswaram India  0.1
28 Nov 2020 12:00 Nayamasti Bangladesh  0.1
28 Nov 2020 12:00 Maitbhanga Bangladesh  0.1
28 Nov 2020 12:00 Kamla Char Bangladesh  0.1
28 Nov 2020 12:00 Sitalpur Bangladesh  0.1
26 Nov 2020 13:30 Ammapatam India  0.1
28 Nov 2020 12:00 Bhatiari Bangladesh  0.1
28 Nov 2020 06:45 Satabhaya India  0.1
25 Nov 2020 23:45 Anaippapan Sri Lanka  0.1
28 Nov 2020 06:30 Bideipur India  0.1
26 Nov 2020 00:45 Kiranchi Sri Lanka  0.1
26 Nov 2020 08:00 Kottapalem India  0.1
25 Nov 2020 18:30 Kilakarai India  0.1
25 Nov 2020 18:30 Muttupettai India  0.1
25 Nov 2020 18:30 Panalkkulam India  0.1
25 Nov 2020 18:30 Irumeni India  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 13:45 Kottaippattanam 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
28 Nov 2020 12:00 Dakhin Kattali Bangladesh  0.1