Overall Green alert Tropical Cyclone for HENRI-21
in United States
16 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 HENRI-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GFS
Exposed countries
Exposed population No people in Category 1 or higher
Maximum wind speed 58 km/h
Maximum storm surge 0.2 m (17 Aug 00:00 UTC)
Vulnerability Low (United States)

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 58 km/h 0.2 m 119 mm 0.5
GFS Overall 126 km/h 0.7 m 810 mm 0.5

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

TOP

Wind

126 km/h

No people by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

No exposed population (in Tropical Storm or higher) based on the bulletin of 16 Aug 2021 18:00 UTC

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 16 Aug 2021 00:00 32 - - - - - - -
GREEN 2 16 Aug 2021 06:00 40 - - - - - - -
GREEN 3 16 Aug 2021 12:00 72 - - - - - - -
GREEN 4 16 Aug 2021 18:00 76 - - - - - - -
Download:





Impact estimation for the next 72h
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Rainfall





Rain exposed population - AoIs

Estimations based on the bulletin of 16 Aug 2021 18:00 UTC
LevelCountryPopulation 
100-250 mmUnited States26,641 
50-100 mmUnited States2,842,794 

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 16 Aug 2021 00:00 24 - - - - - - -
Blue 2 16 Aug 2021 06:00 23 - - - - - - -
Blue 3 16 Aug 2021 12:00 124 - - - - - - -
Blue 4 16 Aug 2021 18:00 142 30 thousand
- - - - United States




Impact estimation for the next 72h
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StormSurge

0.2 m

The maximum Storm surge height is  0.2m in Shenandoah, United States. This height is estimated for 17 Aug 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 16 Aug 2021 18:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
17 Aug 2021 00:00 Shenandoah United States  0.2
17 Aug 2021 00:00 Thorntown United States  0.2
17 Aug 2021 00:00 Delaware City United States  0.2
17 Aug 2021 00:00 Bay View Beach United States  0.2
17 Aug 2021 00:00 Fennimore Landing United States  0.2
17 Aug 2021 00:00 Taylors Bridge United States  0.2
17 Aug 2021 00:00 Shingle Landing United States  0.2
17 Aug 2021 00:00 Port Penn United States  0.2
17 Aug 2021 00:00 Flemings Landing United States  0.2
17 Aug 2021 00:00 Collins Beach United States  0.2
17 Aug 2021 00:00 Taylors Gut Landing United States  0.2
17 Aug 2021 00:00 Oakwood Beach United States  0.2
17 Aug 2021 00:00 Sinnickson Landing United States  0.2
17 Aug 2021 00:00 Woodland Beach United States  0.2
17 Aug 2021 00:00 Hagerville United States  0.2
17 Aug 2021 00:00 Salem United States  0.2
17 Aug 2021 00:00 Pine Island United States  0.2
17 Aug 2021 00:00 Bay Side United States  0.2
16 Aug 2021 21:45 Larry's River Canada  0.2
16 Aug 2021 21:45 Half Island Cove Canada  0.2
16 Aug 2021 21:45 Whitehead Canada  0.2
17 Aug 2021 00:00 Sea Breeze United States  0.2
17 Aug 2021 00:00 Loyds Corner United States  0.2
17 Aug 2021 00:00 Donas Landing United States  0.1
17 Aug 2021 00:00 Post Mahon United States  0.1
16 Aug 2021 21:45 Port Hawkesbury Canada  0.1
16 Aug 2021 21:45 Point Tupper Canada  0.1
16 Aug 2021 21:45 Evanston Canada  0.1
16 Aug 2021 21:45 Arichat Canada  0.1
16 Aug 2021 21:45 Canso Canada  0.1
16 Aug 2021 21:45 D'Escousse Canada  0.1
16 Aug 2021 21:45 Petit-de-Grat Canada  0.1
17 Aug 2021 00:00 Gandys Beach United States  0.1
16 Aug 2021 23:00 Little Creek United States  0.1
16 Aug 2021 23:00 Postles Corner United States  0.1
16 Aug 2021 23:00 Generals Greene United States  0.1
16 Aug 2021 20:15 Port Greville Canada  0.1
16 Aug 2021 20:15 Canning Canada  0.1
16 Aug 2021 20:15 Scots Bay Canada  0.1
16 Aug 2021 20:15 Kingsport Canada  0.1
16 Aug 2021 20:15 Parrsboro Canada  0.1
16 Aug 2021 22:00 Kendalls Corner United States  0.1
16 Aug 2021 22:00 Camden United States  0.1
16 Aug 2021 22:00 Hayford Corner United States  0.1
16 Aug 2021 22:00 Holmes Mill United States  0.1
16 Aug 2021 22:00 Stevens Corner United States  0.1
16 Aug 2021 22:00 Simpsons Corner United States  0.1
16 Aug 2021 22:00 City Point United States  0.1
16 Aug 2021 22:00 Dog Island Corner United States  0.1
16 Aug 2021 22:00 Greenlaws Corner United States  0.1
16 Aug 2021 22:00 Lincolnville United States  0.1
16 Aug 2021 22:00 Herricks Corner United States  0.1
16 Aug 2021 22:00 Belfast United States  0.1
16 Aug 2021 22:00 Shermans Corner United States  0.1
16 Aug 2021 22:00 Bayside United States  0.1
16 Aug 2021 22:00 Searsport United States  0.1
16 Aug 2021 22:00 Dark Harbor United States  0.1
16 Aug 2021 22:00 Isleboro United States  0.1
16 Aug 2021 22:00 North Islesboro United States  0.1
16 Aug 2021 22:00 Castine United States  0.1
16 Aug 2021 22:00 Stockton Springs United States  0.1
16 Aug 2021 22:00 Sandy Point United States  0.1
16 Aug 2021 22:00 Goose Falls United States  0.1
16 Aug 2021 22:00 Fort George United States  0.1
16 Aug 2021 22:00 Cape Rosier United States  0.1
16 Aug 2021 22:00 West Penobscot United States  0.1
16 Aug 2021 22:00 Flat Landing United States  0.1
16 Aug 2021 22:30 Warren Landing United States  0.1
16 Aug 2021 22:30 Kitts Hummock United States  0.1
16 Aug 2021 22:30 Bowers United States  0.1
16 Aug 2021 22:30 Frenchs Mobile Homes United States  0.1
16 Aug 2021 22:30 Mispillion Light United States  0.1
16 Aug 2021 22:30 Slaughter Beach United States  0.1
16 Aug 2021 20:00 Red Bank United States  0.1
16 Aug 2021 20:00 Cheapside United States  0.1
16 Aug 2021 20:00 Bayview United States  0.1
16 Aug 2021 20:00 Cape Center United States  0.1
16 Aug 2021 20:00 Cheriton United States  0.1
16 Aug 2021 20:00 Cedar Grove United States  0.1
16 Aug 2021 20:00 Fairview United States  0.1
16 Aug 2021 20:00 Townsend United States  0.1
16 Aug 2021 20:00 Capeville United States  0.1
16 Aug 2021 20:00 Kiptopeke United States  0.1
16 Aug 2021 20:00 Beverly United States  0.1
16 Aug 2021 20:00 Oyster United States  0.1
16 Aug 2021 19:15 Roseway Canada  0.1
16 Aug 2021 19:15 Shelburne Canada  0.1
16 Aug 2021 19:15 Lockeport Canada  0.1
16 Aug 2021 19:15 Sabie River Canada  0.1
16 Aug 2021 19:15 Sable River Canada  0.1
16 Aug 2021 21:00 Fourchu Canada  0.1
16 Aug 2021 21:00 Gabarus Canada  0.1
16 Aug 2021 18:15 Pulpit Harbor United States  0.1
16 Aug 2021 18:15 Goose Rocks United States  0.1
16 Aug 2021 18:15 Stover Corner United States  0.1
16 Aug 2021 18:15 Eggemoggin United States  0.1
16 Aug 2021 18:15 Herricks United States  0.1
16 Aug 2021 18:15 Sunset United States  0.1
16 Aug 2021 18:15 Deer Isle United States  0.1
16 Aug 2021 18:15 Black Corner United States  0.1
16 Aug 2021 18:15 Sargentville United States  0.1
16 Aug 2021 18:15 Stonington United States  0.1
16 Aug 2021 20:15 Barco United States  0.1
16 Aug 2021 20:15 Coinjock United States  0.1
16 Aug 2021 20:15 Waterlilly United States  0.1
16 Aug 2021 20:15 Knotts Island United States  0.1
16 Aug 2021 20:15 Bertha United States  0.1
16 Aug 2021 20:15 Aydlett United States  0.1
16 Aug 2021 20:15 Poplar Branch United States  0.1
16 Aug 2021 20:15 Grandy United States  0.1
16 Aug 2021 20:15 Jarvisburg United States  0.1
16 Aug 2021 20:15 Corolla United States  0.1
16 Aug 2021 20:15 Caffys Inlet Hamlet United States  0.1
16 Aug 2021 22:30 Fortescue United States  0.1
16 Aug 2021 23:15 Mahone Bay Canada  0.1
16 Aug 2021 23:15 La Have Canada  0.1
16 Aug 2021 23:15 Lunenburg Canada  0.1