Overall Red alert Tropical Cyclone for NIVAR-20
in India
25 Nov 2020 00 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 119 km/h
Maximum storm surge 0.4 m (25 Nov 13:30 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
GFS Current 119 km/h 0.4 m 33 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)

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Wind



Wind exposed population - AoIs

Estimations based on the bulletin of 25 Nov 2020 00:00 UTC
CategoryCountryPopulation 
Tropical StormIndia8,450,798 

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 -
- - - - - India
Download:





Impact estimation for the next 72h
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Rainfall

787 mm

Up to 24.5 million can be affected rain lower than 100mm





Rain exposed population - AoIs

Estimations based on the bulletin of 25 Nov 2020 00:00 UTC
LevelCountryPopulation 
250-500 mmIndia6,797,740 
100-250 mmIndia36,549,276 
50-100 mmIndia24,471,866 

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 00:00 403 43.3 million
- - - India




Impact estimation for the next 72h
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StormSurge

0.4 m

The maximum Storm surge height is  0.4m in Therunattam, India. This height is estimated for 25 Nov 2020 13:30 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 25 Nov 2020 00:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
25 Nov 2020 13:30 Therunattam India  0.4
25 Nov 2020 13:30 Ennore India  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 13:15 Kelambakkam India  0.3
25 Nov 2020 13:15 Saint Thomas Mount India  0.3
25 Nov 2020 13:15 Madhavaram India  0.3
25 Nov 2020 13:30 Chennai India  0.3
25 Nov 2020 15:45 Durgarajupatnam India  0.3
25 Nov 2020 01:30 Mannar Sri Lanka  0.3
25 Nov 2020 01:30 Periyavilankuli Sri Lanka  0.3
25 Nov 2020 01:30 Attimoddai Sri Lanka  0.3
25 Nov 2020 01:30 Vellankulam Sri Lanka  0.3
25 Nov 2020 12:00 Kuvattur India  0.3
25 Nov 2020 12:00 Mahabalipuram India  0.3
25 Nov 2020 09:15 Kavutarimunai Sri Lanka  0.3
25 Nov 2020 09:15 Nawaladi Sri Lanka  0.3
25 Nov 2020 02:45 Chiruttoppu Sri Lanka  0.3
25 Nov 2020 01:00 Kiranchi Sri Lanka  0.3
25 Nov 2020 12:45 Tiruvottiyur India  0.2
25 Nov 2020 21:15 Idaikkadu Sri Lanka  0.2
25 Nov 2020 21:15 Ampan Sri Lanka  0.2
25 Nov 2020 21:00 Jaffna Sri Lanka  0.2
25 Nov 2020 12:00 Marakkanam India  0.2
25 Nov 2020 00:45 Talaimannar Sri Lanka  0.2
26 Nov 2020 04:30 Kottapatnam India  0.2
25 Nov 2020 21:45 Chakicherla India  0.2
25 Nov 2020 21:45 Vatturupallepalem India  0.2
25 Nov 2020 19:15 Ullapalem India  0.2
25 Nov 2020 19:15 Pakala India  0.2
25 Nov 2020 21:45 Govundlapalem India  0.2
25 Nov 2020 02:15 Point Pedro Sri Lanka  0.2
25 Nov 2020 04:00 Kankesanturai Sri Lanka  0.2
25 Nov 2020 01:45 Tirumullaivasal India  0.2
25 Nov 2020 01:45 Kaveripattanam India  0.2
25 Nov 2020 23:00 Kodigeri India  0.2
25 Nov 2020 01:45 Chundikkulam Sri Lanka  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
25 Nov 2020 00:00 Mudalaipalai Sri Lanka  0.2
25 Nov 2020 00:00 Kalpitiya Sri Lanka  0.2
25 Nov 2020 00:00 Karadipuval Sri Lanka  0.2
25 Nov 2020 00:00 Pomparippu 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 09:45 Purnankuppam India  0.2
25 Nov 2020 09:45 Pondicherry India  0.2
25 Nov 2020 09:45 Kalapettai India  0.2
25 Nov 2020 20:30 Kurichchikadu Sri Lanka  0.2
25 Nov 2020 20:30 Kayts Sri Lanka  0.2
25 Nov 2020 18:30 Kodur India  0.1
25 Nov 2020 18:00 Silavatturai Sri Lanka  0.1
25 Nov 2020 02:15 Kakinada India  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 04:00 Alampil Sri Lanka  0.1
25 Nov 2020 04:00 Karuvaddukkeni Sri Lanka  0.1
26 Nov 2020 12:30 Kattumavadi India  0.1
26 Nov 2020 12:30 Atirampattinam India  0.1
25 Nov 2020 01:45 Chalai Sri Lanka  0.1
26 Nov 2020 08:15 Nizampatam 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
25 Nov 2020 01:15 Cuddalore India  0.1
25 Nov 2020 00:00 Anaippapan Sri Lanka  0.1
25 Nov 2020 17:45 Pamban India  0.1
25 Nov 2020 17:45 Rameswaram India  0.1
25 Nov 2020 01:30 Porto Novo India  0.1
26 Nov 2020 12:15 Manamelkudi 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
26 Nov 2020 08:30 Kottapalem India  0.1
25 Nov 2020 02:30 Foul Point Sri Lanka  0.1
25 Nov 2020 02:30 Anaitivu Sri Lanka  0.1
25 Nov 2020 00:45 Delft Centre Sri Lanka  0.1
26 Nov 2020 08:45 Lankavanidibba India  0.1
25 Nov 2020 06:15 Satabhaya India  0.1
26 Nov 2020 12:45 Ammapatam India  0.1
26 Nov 2020 07:00 Peddapatnam India  0.1
25 Nov 2020 01:45 Uppuveli Sri Lanka  0.1
25 Nov 2020 01:45 Trincomalee Sri Lanka  0.1
25 Nov 2020 17:15 Kulasekharapatnam India  0.1
25 Nov 2020 17:15 Tiruchendur India  0.1
25 Nov 2020 17:15 Kayalpatnam India  0.1
26 Nov 2020 12:00 Salaya India  0.1
26 Nov 2020 12:00 Jhankhar India  0.1
26 Nov 2020 12:00 Sika India  0.1