Overall Green alert Tropical Cyclone for LARRY-21
in Canada, Saint Pierre and Miquelon
31 Aug 2021 18 UTC
click on to select bulletin time
Impact Single TC
Impact based on all weather systems in the area

Impact

Tropical Cyclone LARRY-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source HWRF
Exposed countries Cape Verde
Exposed population No people in Category 1 or higher
Maximum wind speed 61 km/h
Maximum storm surge 0.2 m (01 Sep 00:00 UTC)
Vulnerability Low (Canada)

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
HWRF Current 61 km/h 0.2 m 249 mm 0.5
HWRF Overall 216 km/h 0.9 m 538 mm 0.5

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

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Wind

216 km/h

Up to Few people can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 31 Aug 2021 18:00 UTC
CategoryCountryPopulation 
Tropical StormCape Verde103 

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 31 Aug 2021 18:00 169 -
- - - - - Cape Verde
Download:





Impact estimation for the next 72h
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Rainfall





Rain exposed population - AoIs

Estimations based on the bulletin of 31 Aug 2021 18:00 UTC
LevelCountryPopulation 
100-250 mmCape Verde23,245 
50-100 mmCape Verde1,786 

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 31 Aug 2021 18:00 453 20 thousand
- - - - Cape Verde




Impact estimation for the next 72h
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StormSurge

0.2 m

The maximum Storm surge height is  0.2m in Rosehall, Guyana. This height is estimated for 01 Sep 2021 00:00 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 31 Aug 2021 18:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
01 Sep 2021 00:00 Rosehall Guyana  0.2
01 Sep 2021 00:00 Tarlogie Farm Guyana  0.2
01 Sep 2021 00:00 Brighton Guyana  0.2
01 Sep 2021 00:00 Goldspie Guyana  0.2
01 Sep 2021 00:00 Number Forty-six Guyana  0.2
01 Sep 2021 00:00 Leeds Guyana  0.2
01 Sep 2021 00:00 Weldaad Guyana  0.2
01 Sep 2021 00:00 Number Forty Guyana  0.2
01 Sep 2021 00:00 Onverwagt Guyana  0.2
01 Sep 2021 00:00 Fort Wellington Guyana  0.2
01 Sep 2021 00:00 Waterloo Guyana  0.2
01 Sep 2021 00:00 Fyrish Guyana  0.2
01 Sep 2021 00:00 Perth Guyana  0.2
01 Sep 2021 00:00 Mahaicony Guyana  0.2
01 Sep 2021 00:00 Belladrum Guyana  0.2
01 Sep 2021 00:00 Everton Guyana  0.2
01 Sep 2021 00:00 Rosignol Guyana  0.2
01 Sep 2021 00:00 New Amsterdam Guyana  0.2
01 Sep 2021 00:00 De Kinderen Guyana  0.2
01 Sep 2021 00:00 Belfield Guyana  0.2
01 Sep 2021 00:00 Enmore Guyana  0.2
01 Sep 2021 00:00 Helena Guyana  0.2
31 Aug 2021 23:45 Piedras Negras Venezuela  0.2
31 Aug 2021 23:45 La Guardia Venezuela  0.2
31 Aug 2021 23:45 Altagracia Venezuela  0.2
31 Aug 2021 23:45 Manzanillo Venezuela  0.2
31 Aug 2021 23:45 Paraguchi Venezuela  0.2
31 Aug 2021 23:45 Pampatar Venezuela  0.2
01 Sep 2021 00:00 Buxton Guyana  0.2
01 Sep 2021 00:00 Jotajana Venezuela  0.2
01 Sep 2021 00:00 Georgetown Guyana  0.2
01 Sep 2021 00:00 Courida Park Guyana  0.2
01 Sep 2021 00:00 Nieuw Nickerie Suriname  0.2
01 Sep 2021 00:00 Caledonia Guyana  0.2
01 Sep 2021 00:00 Leguan I Guyana  0.2
01 Sep 2021 00:00 Number Sixty-one Guyana  0.2
31 Aug 2021 23:30 Maria Johanna Guyana  0.2
31 Aug 2021 23:30 Parika Guyana  0.2
31 Aug 2021 23:30 De Kinderen Guyana  0.2
31 Aug 2021 23:30 Den Amstel Guyana  0.2
01 Sep 2021 00:00 Burnside Suriname  0.2
01 Sep 2021 00:00 Totness Suriname  0.2
01 Sep 2021 00:00 Anna Regina Guyana  0.2
01 Sep 2021 00:00 Hampton Court Guyana  0.2
01 Sep 2021 00:00 Suddie Guyana  0.2
01 Sep 2021 00:00 Capoey Guyana  0.2
01 Sep 2021 00:00 Les Hattes French Guiana  0.2
01 Sep 2021 00:00 Camp de Coswine French Guiana  0.2
01 Sep 2021 00:00 Aouara French Guiana  0.2
01 Sep 2021 00:00 Crabwood Creek Guyana  0.1
01 Sep 2021 00:00 Number 80 Guyana  0.1
01 Sep 2021 00:00 Corriverton Suriname  0.1
01 Sep 2021 00:00 Hackney Guyana  0.1
01 Sep 2021 00:00 Marlborough Guyana  0.1
01 Sep 2021 00:00 Bounty Hall Guyana  0.1
01 Sep 2021 00:00 Mision San Francisco de Guayo Venezuela  0.1
01 Sep 2021 00:00 La Esperanza Venezuela  0.1
01 Sep 2021 00:00 Queenstown Guyana  0.1
01 Sep 2021 00:00 Taymoutn Manor Place Guyana  0.1
01 Sep 2021 00:00 Hamilton Suriname  0.1
01 Sep 2021 00:00 San Jose de Amacuro Venezuela  0.1
01 Sep 2021 00:00 Faro de Barima Venezuela  0.1
31 Aug 2021 23:45 Langamankondre Suriname  0.1
31 Aug 2021 23:45 Galibi Suriname  0.1
01 Sep 2021 00:00 Aurora Guyana  0.1
01 Sep 2021 00:00 Pomona Suriname  0.1
01 Sep 2021 00:00 Nieuw Amsterdam Suriname  0.1
01 Sep 2021 00:00 Bellevue French Guiana  0.1
01 Sep 2021 00:00 Iracoubo French Guiana  0.1
01 Sep 2021 00:00 Trou Poisson French Guiana  0.1
01 Sep 2021 00:00 Roche Brigandin French Guiana  0.1
01 Sep 2021 00:00 Coppenamepunt Suriname  0.1
01 Sep 2021 00:00 Clevia Suriname  0.1
31 Aug 2021 21:45 Baie-Mahault Guadeloupe  0.1
31 Aug 2021 21:45 Capesterre Guadeloupe  0.1
31 Aug 2021 21:45 Pointe-a-Pitre Guadeloupe  0.1
31 Aug 2021 21:45 Sainte-Anne Guadeloupe  0.1
31 Aug 2021 22:30 Lower Manzanilla Trinidad and Tobago  0.1
31 Aug 2021 22:30 Lower Fishing Pond Trinidad and Tobago  0.1
31 Aug 2021 22:30 Saint Joseph Trinidad and Tobago  0.1
31 Aug 2021 23:00 Tonate French Guiana  0.1
01 Sep 2021 00:00 Soburojo Venezuela  0.1
01 Sep 2021 00:00 Porlamar Venezuela  0.1
31 Aug 2021 23:45 Organabo French Guiana  0.1
31 Aug 2021 23:45 Fleche French Guiana  0.1
31 Aug 2021 23:45 Mamaribo French Guiana  0.1
01 Sep 2021 00:00 Macuro Venezuela  0.1
31 Aug 2021 23:30 Sinnamary French Guiana  0.1
31 Aug 2021 23:00 Saint George's Grenada  0.1
31 Aug 2021 23:00 The Lance Grenada  0.1
31 Aug 2021 23:00 Victoria Grenada  0.1
31 Aug 2021 23:00 Thebaide Grenada  0.1
31 Aug 2021 23:00 Grenville Grenada  0.1
31 Aug 2021 22:30 Salibea Trinidad and Tobago  0.1
01 Sep 2021 00:00 El Tunal Venezuela  0.1
01 Sep 2021 00:00 San Francisco Venezuela  0.1
01 Sep 2021 00:00 El Horcon Venezuela  0.1
01 Sep 2021 00:00 Chacachacare Venezuela  0.1
01 Sep 2021 00:00 Punta de Piedras Venezuela  0.1
31 Aug 2021 22:30 Rampanalgas Trinidad and Tobago  0.1
01 Sep 2021 00:00 La Esmeralda Venezuela  0.1
01 Sep 2021 00:00 Guaca Venezuela  0.1
01 Sep 2021 00:00 Carupano Venezuela  0.1
01 Sep 2021 00:00 Puerto Santo Venezuela  0.1
31 Aug 2021 22:15 Matelot Trinidad and Tobago  0.1
31 Aug 2021 22:15 Grande Riviere Trinidad and Tobago  0.1
31 Aug 2021 22:15 Redhead Trinidad and Tobago  0.1