Overall Red alert Tropical Cyclone for NIVAR-20
in India
24 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, Sri Lanka
Exposed population No people in Category 1 or higher
Maximum wind speed 83 km/h
Maximum storm surge 1.1 m (25 Nov 09:45 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 83 km/h 1.1 m 23 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

144 km/h

Up to 4.4 million can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 24 Nov 2020 00:00 UTC
CategoryCountryPopulation 
Tropical StormIndia, Sri Lanka4,385,049
+
India3,604,964 
Sri Lanka780,085 

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 00:00 112 -
- - - - - India, Sri Lanka
Download:





Impact estimation for the next 72h
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Rainfall





Rain exposed population - AoIs

Estimations based on the bulletin of 24 Nov 2020 00:00 UTC
LevelCountryPopulation 
250-500 mmIndia, Sri Lanka3,154,071
+
India2,704,849 
Sri Lanka449,222 
100-250 mmIndia, Sri Lanka27,149,132
+
India26,344,807 
Sri Lanka804,325 
50-100 mmIndia, Sri Lanka52,005,471
+
India51,614,281 
Sri Lanka391,190 

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 00:00 473 30.3 million
- - - India, Sri Lanka




Impact estimation for the next 72h
TOP

StormSurge

1.1 m

The maximum Storm surge height is  1.1m in Pooneryn, Sri Lanka. This height is estimated for 25 Nov 2020 09:45 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 24 Nov 2020 00:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
25 Nov 2020 09:45 Pooneryn Sri Lanka  1.1
25 Nov 2020 09:45 Aliavalai Sri Lanka  1.1
25 Nov 2020 10:00 Kavutarimunai Sri Lanka  1.0
25 Nov 2020 10:00 Nawaladi Sri Lanka  1.0
25 Nov 2020 08:45 Idaikkadu Sri Lanka  0.8
25 Nov 2020 08:45 Ampan Sri Lanka  0.8
25 Nov 2020 09:00 Jaffna Sri Lanka  0.7
24 Nov 2020 17:15 Mannar Sri Lanka  0.5
24 Nov 2020 17:15 Periyavilankuli Sri Lanka  0.5
24 Nov 2020 17:15 Attimoddai Sri Lanka  0.5
24 Nov 2020 17:15 Vellankulam Sri Lanka  0.5
24 Nov 2020 18:45 Chiruttoppu Sri Lanka  0.5
25 Nov 2020 05:00 Kiranchi Sri Lanka  0.5
25 Nov 2020 14:30 Porto Novo India  0.4
24 Nov 2020 16:45 Talaimannar Sri Lanka  0.3
25 Nov 2020 05:30 Kankesanturai Sri Lanka  0.3
25 Nov 2020 05:30 Point Pedro Sri Lanka  0.3
25 Nov 2020 07:00 Kayts Sri Lanka  0.3
24 Nov 2020 16:30 Muttupettai India  0.3
24 Nov 2020 16:30 Panalkkulam India  0.3
24 Nov 2020 16:30 Irumeni India  0.3
24 Nov 2020 16:30 Pamban India  0.3
25 Nov 2020 06:45 Kurichchikadu Sri Lanka  0.2
24 Nov 2020 18:00 Mudalaipalai Sri Lanka  0.2
24 Nov 2020 18:00 Kalpitiya Sri Lanka  0.2
24 Nov 2020 18:00 Karadipuval Sri Lanka  0.2
24 Nov 2020 18:00 Pomparippu Sri Lanka  0.2
25 Nov 2020 16:15 Cuddalore India  0.2
25 Nov 2020 16:15 Purnankuppam India  0.2
24 Nov 2020 15:30 Rameswaram India  0.2
25 Nov 2020 05:30 Velangann India  0.2
26 Nov 2020 05:30 Kattumavadi India  0.2
26 Nov 2020 05:30 Atirampattinam India  0.2
24 Nov 2020 17:00 Anaippapan Sri Lanka  0.2
24 Nov 2020 16:45 Silavatturai Sri Lanka  0.2
25 Nov 2020 09:00 Karaikal India  0.2
25 Nov 2020 09:00 Accarapatam India  0.2
25 Nov 2020 09:00 Nagappattinam India  0.2
25 Nov 2020 09:00 Tranquebar India  0.2
25 Nov 2020 09:00 Tarangambadi India  0.2
25 Nov 2020 04:30 Vedaranyam India  0.2
25 Nov 2020 04:30 Vedaranniyam India  0.2
25 Nov 2020 04:45 Kodigeri India  0.2
24 Nov 2020 21:00 Chundikkulam Sri Lanka  0.2
25 Nov 2020 16:15 Marakkanam India  0.2
25 Nov 2020 16:15 Kuvattur India  0.2
25 Nov 2020 16:15 Pondicherry India  0.2
25 Nov 2020 16:15 Kalapettai India  0.2
25 Nov 2020 11:30 Tirumullaivasal India  0.2
25 Nov 2020 11:30 Kaveripattanam India  0.2
24 Nov 2020 10:00 Therunattam India  0.2
24 Nov 2020 10:00 Ennore India  0.2
26 Nov 2020 05:45 Manamelkudi India  0.2
24 Nov 2020 23:15 Delft Centre Sri Lanka  0.2
24 Nov 2020 14:45 Chalai Sri Lanka  0.2
24 Nov 2020 23:00 Durgarajupatnam India  0.2
26 Nov 2020 05:45 Ammapatam India  0.2
24 Nov 2020 15:45 Tirupalakudi India  0.1
25 Nov 2020 16:00 Mahabalipuram India  0.1
24 Nov 2020 03:30 Alampil 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
26 Nov 2020 06:45 Kottaippattanam India  0.1
24 Nov 2020 03:15 Analkaddimady Sri Lanka  0.1
24 Nov 2020 03:15 Walauttu 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
24 Nov 2020 01:45 Ammanthanaveli Sri Lanka  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
24 Nov 2020 15:15 Devipatam India  0.1
25 Nov 2020 05:15 Satabhaya India  0.1
24 Nov 2020 01:30 Pulmoddai Sri Lanka  0.1
24 Nov 2020 02:00 Karuvaddukkeni Sri Lanka  0.1
25 Nov 2020 18:00 Kelambakkam India  0.1
24 Nov 2020 05:00 Vatturupallepalem India  0.1
24 Nov 2020 05:00 Govundlapalem India  0.1
25 Nov 2020 07:15 Saint Thomas Mount India  0.1
25 Nov 2020 07:15 Madhavaram India  0.1
25 Nov 2020 18:00 Chennai India  0.1
24 Nov 2020 11:30 Bhagva India  0.1
24 Nov 2020 11:30 Olpad India  0.1
24 Nov 2020 11:30 Hansot India  0.1
26 Nov 2020 02:00 Chakicherla India  0.1
26 Nov 2020 02:00 Ullapalem India  0.1
26 Nov 2020 02:00 Pakala India  0.1
25 Nov 2020 09:15 Kakinada India  0.1
24 Nov 2020 02:30 Uppuveli Sri Lanka  0.1
24 Nov 2020 23:45 Trincomalee Sri Lanka  0.1
25 Nov 2020 05:30 Bideipur India  0.1
26 Nov 2020 01:30 Kottapatnam India  0.1