Overall Green alert Tropical Cyclone for NICHOLAS-21
in United States

Impact

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

Meteorological source HWRF
Exposed countries United States
Exposed population No people in Category 1 or higher
Maximum wind speed 72 km/h
Maximum storm surge 1.3 m (14 Sep 18:00 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
HWRF Current 72 km/h 1.3 m 893 mm 0.5
HWRF Overall 126 km/h 1.6 m 902 mm 0.5

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

Wind

126 km/h

Up to 2 thousand can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 14 Sep 2021 18:00 UTC
CategoryCountryPopulation 
Tropical StormUnited States2,047 

See TC classification SSHS


Wind Impact Timeline

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


Alert 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 12 Sep 2021 12:00 79 - - - - - - -
GREEN 2 12 Sep 2021 18:00 68 - - - - - - -
GREEN 3 13 Sep 2021 00:00 76 -
- - - - - United States
GREEN 4 13 Sep 2021 06:00 119 -
- - - - - United States
GREEN 5 13 Sep 2021 12:00 97 - - - - - - -
GREEN 6 13 Sep 2021 18:00 101 -
- - - - - United States
GREEN 7 14 Sep 2021 00:00 112 -
- - - - - United States
GREEN 8 14 Sep 2021 06:00 126 3 thousand
- - - - United States
GREEN 9 14 Sep 2021 12:00 83 -
- - - - - United States
GREEN 10 14 Sep 2021 18:00 72 -
- - - - - United States




Impact estimation for the next 72h
Download:





Rain exposed population - AoIs

Estimations based on the bulletin of 14 Sep 2021 18:00 UTC
LevelCountryPopulation 
500-750 mmUnited States26,912 
250-500 mmUnited States118,479 
100-250 mmUnited States538,019 
50-100 mmUnited States2,044,617 

Rain Impact Timeline

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


Alert Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 12 Sep 2021 12:00 323 30 thousand
- - - - Mexico
Blue 2 12 Sep 2021 18:00 184 Few people
- - - - Mexico
Blue 3 13 Sep 2021 00:00 275 -
- - - - - United States, Mexico
Blue 4 13 Sep 2021 06:00 366 -
- - - - - United States
Blue 5 13 Sep 2021 12:00 155 7 thousand
- - - - United States
Blue 6 13 Sep 2021 18:00 180 -
- - - - - United States
Blue 7 14 Sep 2021 00:00 452 70 thousand
- - - - United States
Blue 8 14 Sep 2021 06:00 210 10 thousand
- - - - United States
Blue 9 14 Sep 2021 12:00 178 20 thousand
- - - - United States
Blue 10 14 Sep 2021 18:00 893 680 thousand
- - United States




Impact estimation for the next 72h

StormSurge

1.3 m

The maximum Storm surge height is  1.3m in Cedar Point, United States. This height is estimated for 14 Sep 2021 18:00 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 locations

Calculation based on the bulletin of 14 Sep 2021 18:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
14 Sep 2021 18:00 Cedar Point United States  1.3
14 Sep 2021 18:00 Beach City United States  1.3
14 Sep 2021 18:00 Oak Island United States  1.3
14 Sep 2021 18:00 Anahuac United States  1.3
14 Sep 2021 18:00 Webster United States  1.1
14 Sep 2021 18:00 Clear Lake City United States  1.1
14 Sep 2021 18:00 Nassau Bay United States  1.1
14 Sep 2021 18:00 Kilkare United States  1.1
14 Sep 2021 18:00 Lakeside United States  1.1
14 Sep 2021 18:00 Taylor Lake United States  1.1
14 Sep 2021 18:00 La Porte United States  1.1
14 Sep 2021 18:00 El Lago United States  1.1
14 Sep 2021 18:00 Clear Lake Shores United States  1.1
14 Sep 2021 18:00 Kemah United States  1.1
14 Sep 2021 18:00 Shoreacres United States  1.1
14 Sep 2021 18:00 Bayside Terrace United States  1.1
14 Sep 2021 18:00 Todville United States  1.1
14 Sep 2021 18:00 Morgan's Point United States  1.1
14 Sep 2021 18:00 Bayview United States  1.1
14 Sep 2021 18:00 Red Bluff United States  1.1
14 Sep 2021 18:00 Seabrook United States  1.1
14 Sep 2021 18:00 Morgan Point United States  1.1
14 Sep 2021 18:00 Baytown United States  1.1
14 Sep 2021 18:00 Bacliff United States  1.1
14 Sep 2021 18:00 San Leon United States  1.1
14 Sep 2021 18:00 Pelly United States  1.1
14 Sep 2021 18:00 Smith Point United States  1.1
14 Sep 2021 18:00 Elmgrove United States  1.1
14 Sep 2021 19:00 Flake United States  1.0
14 Sep 2021 18:00 Port Bolivar United States  0.9
14 Sep 2021 18:00 Fort Travis United States  0.9
14 Sep 2021 18:00 Crystal Beach United States  0.9
14 Sep 2021 18:00 Patton United States  0.9
14 Sep 2021 18:00 Bolivar Peninsula United States  0.9
14 Sep 2021 20:15 Nadeau United States  0.9
14 Sep 2021 20:15 Texas City Junction United States  0.9
14 Sep 2021 20:15 Bayou Vista United States  0.9
14 Sep 2021 20:15 Texas City United States  0.9
15 Sep 2021 08:45 Intracoastal City United States  0.8
15 Sep 2021 09:15 Cypremort Point United States  0.7
15 Sep 2021 09:15 Weeks United States  0.7
15 Sep 2021 09:30 Louisa United States  0.7
15 Sep 2021 09:30 Ivanhoe United States  0.7
15 Sep 2021 08:00 Florence United States  0.6
15 Sep 2021 08:00 Cote Blanche Landing United States  0.6
15 Sep 2021 08:00 Freetown United States  0.6
15 Sep 2021 05:45 Gordy United States  0.6
15 Sep 2021 05:45 South Bend United States  0.6
15 Sep 2021 05:45 Burns United States  0.6
15 Sep 2021 05:15 Ellerstie United States  0.6
15 Sep 2021 14:00 Fivemile Oaks United States  0.5
14 Sep 2021 18:00 Sabine United States  0.5
14 Sep 2021 18:00 Sabine Pass United States  0.5
16 Sep 2021 16:00 Cocodrie United States  0.5
14 Sep 2021 18:00 Johnson's Bayou United States  0.5
14 Sep 2021 18:00 Constance Beach United States  0.5
14 Sep 2021 18:00 Peveto Beach United States  0.5
14 Sep 2021 18:00 Holly Beach United States  0.5
15 Sep 2021 02:45 Happy Jack United States  0.5
15 Sep 2021 02:45 Potash United States  0.5
16 Sep 2021 05:45 Bassa Bassa United States  0.5
15 Sep 2021 07:00 Howze Beach United States  0.5
15 Sep 2021 07:00 Greens Ditch United States  0.5
15 Sep 2021 07:00 Fort Pike United States  0.5
15 Sep 2021 07:00 Lake Catherine United States  0.5
15 Sep 2021 07:00 White Kitchen United States  0.5
15 Sep 2021 07:00 Riolets United States  0.5
15 Sep 2021 07:00 Pearlington United States  0.5
15 Sep 2021 07:00 North Side United States  0.5
15 Sep 2021 07:00 Jackson Landing United States  0.5
15 Sep 2021 07:00 English Lookout United States  0.5
15 Sep 2021 07:00 Ansley United States  0.5
14 Sep 2021 18:00 Cameron United States  0.5
15 Sep 2021 02:30 Martello Castle United States  0.5
15 Sep 2021 02:30 Chef Menteur United States  0.5
15 Sep 2021 02:30 Shell Beach United States  0.5
15 Sep 2021 02:30 Alluvial City United States  0.5
15 Sep 2021 02:30 Yscloskey United States  0.5
15 Sep 2021 02:30 Hopedale United States  0.5
15 Sep 2021 02:30 Saint Malo United States  0.5
15 Sep 2021 02:30 Hesperides United States  0.5
15 Sep 2021 02:30 Nairn United States  0.5
15 Sep 2021 02:30 Empire United States  0.5
15 Sep 2021 07:45 Bayside Park United States  0.5
15 Sep 2021 07:45 Lakeshore United States  0.5
15 Sep 2021 07:45 Klin United States  0.5
15 Sep 2021 07:45 Kiln United States  0.5
15 Sep 2021 07:45 Shoreline Park United States  0.5
15 Sep 2021 07:45 Silver Creek Acres United States  0.5
15 Sep 2021 07:45 Waveland United States  0.5
15 Sep 2021 07:45 Fenton United States  0.5
15 Sep 2021 07:45 Diamondhead United States  0.5
15 Sep 2021 07:45 Bay St Louis United States  0.5
15 Sep 2021 07:45 Henderson Point United States  0.5
15 Sep 2021 07:45 De Lisle United States  0.5
15 Sep 2021 07:45 Pass Christian United States  0.5
15 Sep 2021 07:45 Cuevas United States  0.5
15 Sep 2021 07:45 White Harbor United States  0.5
14 Sep 2021 19:15 Cheniere Au Tigre United States  0.5
14 Sep 2021 18:00 Oak Grove United States  0.4
14 Sep 2021 18:00 Grand Chenier United States  0.4
15 Sep 2021 03:15 Sunrise United States  0.4
15 Sep 2021 03:15 Buras United States  0.4
15 Sep 2021 03:15 Ostrica United States  0.4
15 Sep 2021 03:15 Neptune United States  0.4
15 Sep 2021 03:15 Fort Jackson United States  0.4
15 Sep 2021 03:15 Boothville United States  0.4
14 Sep 2021 18:30 High Island United States  0.4
15 Sep 2021 06:45 Long Beach United States  0.4
15 Sep 2021 06:15 Gulfport United States  0.4
14 Sep 2021 18:00 Caplen United States  0.3
14 Sep 2021 18:00 Gilchrist United States  0.3
14 Sep 2021 18:00 Bay Harbor United States  0.3
14 Sep 2021 18:00 Sea Isle United States  0.3
14 Sep 2021 18:00 Hitchcock United States  0.3
14 Sep 2021 18:00 Jamaica Beach United States  0.3
14 Sep 2021 18:00 Anderson Ways United States  0.3
14 Sep 2021 18:00 Virginia Point United States  0.3
14 Sep 2021 18:00 Galveston United States  0.3
15 Sep 2021 05:45 Mississippi City United States  0.3
15 Sep 2021 05:45 Handsboro United States  0.3
16 Sep 2021 19:30 Leeville United States  0.3
15 Sep 2021 05:45 West Point United States  0.3
15 Sep 2021 03:45 Duvic United States  0.3
15 Sep 2021 05:45 Edgewater Park United States  0.3
15 Sep 2021 05:45 Beauvoir United States  0.3
15 Sep 2021 06:15 Breton United States  0.3
16 Sep 2021 16:30 West Pointe A la Hache United States  0.3
16 Sep 2021 16:30 Grand Ecaille United States  0.3
15 Sep 2021 04:15 Loraine United States  0.3
15 Sep 2021 04:15 Wool Market United States  0.3
15 Sep 2021 04:15 Cedar Lake United States  0.3
15 Sep 2021 04:15 Biloxi United States  0.3
15 Sep 2021 04:15 D'Iberville United States  0.3
15 Sep 2021 04:15 Saint Martin United States  0.3
16 Sep 2021 18:45 Port Fourchon United States  0.2
14 Sep 2021 20:15 La Chacara Nicaragua  0.2
14 Sep 2021 20:15 El Capulin Nicaragua  0.2
14 Sep 2021 20:15 Condega Honduras  0.2
14 Sep 2021 20:15 Cedeno Honduras  0.2
14 Sep 2021 20:15 Mangle Alto Nicaragua  0.2
14 Sep 2021 20:15 Albania Honduras  0.2
15 Sep 2021 03:45 Ocean Springs United States  0.2
15 Sep 2021 03:45 Gulf Hills United States  0.2
14 Sep 2021 20:00 El Puente Nicaragua  0.2
14 Sep 2021 20:00 Las Pozas Nicaragua  0.2
15 Sep 2021 04:00 Gulf Park Estates United States  0.2
14 Sep 2021 18:00 Red Fish Cove United States  0.2
14 Sep 2021 18:00 Hoskins United States  0.2
14 Sep 2021 18:00 Peterson Landing United States  0.2
14 Sep 2021 18:00 Port Morris United States  0.2
15 Sep 2021 04:00 Hilda United States  0.2
15 Sep 2021 01:00 Frenier United States  0.2
15 Sep 2021 01:00 Ruddock United States  0.2
15 Sep 2021 01:00 La Branche United States  0.2
15 Sep 2021 01:00 Kenner United States  0.2
15 Sep 2021 19:15 Delchamps United States  0.2
15 Sep 2021 19:15 Heron Bay United States  0.2
15 Sep 2021 19:15 Alabama Port United States  0.2
15 Sep 2021 19:15 Bayleys Corner United States  0.2
15 Sep 2021 19:15 Mon Louis United States  0.2
15 Sep 2021 19:15 Navco United States  0.2
15 Sep 2021 19:15 Bellefontaine United States  0.2
15 Sep 2021 19:15 Cox United States  0.2
15 Sep 2021 19:15 Battles Wharf United States  0.2
15 Sep 2021 19:15 Darling Landing United States  0.2
15 Sep 2021 19:15 Jackson Oak United States  0.2
15 Sep 2021 19:15 Park City United States  0.2
15 Sep 2021 19:15 Bryant Landing United States  0.2
15 Sep 2021 19:15 Fairhope United States  0.2
15 Sep 2021 19:15 Point Clear United States  0.2
15 Sep 2021 19:15 Houstonville United States  0.2
15 Sep 2021 19:15 Montrose United States  0.2
15 Sep 2021 19:15 Seacliff United States  0.2
15 Sep 2021 19:15 Daphne United States  0.2
15 Sep 2021 19:15 Foots Landing United States  0.2
15 Sep 2021 19:15 Barnwell United States  0.2
15 Sep 2021 20:00 Mertz United States  0.2
15 Sep 2021 20:00 Chickasaw United States  0.2
15 Sep 2021 20:00 Mobile United States  0.2
15 Sep 2021 20:00 Magazine United States  0.2
15 Sep 2021 20:00 Blakeley United States  0.2
15 Sep 2021 20:00 Bridgehead United States  0.2
15 Sep 2021 20:00 Buzbee Landing United States  0.2
15 Sep 2021 20:00 Spanish Fort United States  0.2
15 Sep 2021 16:45 Gautier United States  0.2
15 Sep 2021 16:45 Pascagoula United States  0.2
15 Sep 2021 16:45 Moss Point United States  0.2
15 Sep 2021 19:30 Turkey Branch United States  0.2
15 Sep 2021 19:30 Yupon United States  0.2
16 Sep 2021 03:30 Madisonville United States  0.2
16 Sep 2021 03:30 Houltonville United States  0.2
16 Sep 2021 03:30 Lewisburg United States  0.2
16 Sep 2021 03:30 Chinchuba United States  0.2
16 Sep 2021 03:30 Mandeville United States  0.2
14 Sep 2021 19:30 El Carmen Nicaragua  0.1
15 Sep 2021 03:00 El Mezquite Mexico  0.1
15 Sep 2021 03:00 Chaparral Mexico  0.1
14 Sep 2021 19:15 Corozo Guatemala  0.1
14 Sep 2021 19:15 Cabeza de Vaca Guatemala  0.1
14 Sep 2021 19:15 Baranca Belize  0.1
14 Sep 2021 19:15 San Juan Guatemala  0.1
14 Sep 2021 19:15 Cocoli Guatemala  0.1
14 Sep 2021 19:15 Buena Vista Guatemala  0.1
14 Sep 2021 19:15 Livingston Guatemala  0.1
15 Sep 2021 01:45 La Gloria Mexico  0.1
15 Sep 2021 00:45 Metairie United States  0.1
15 Sep 2021 00:45 Oak Ridge Park United States  0.1
15 Sep 2021 17:00 Bayou La Batre United States  0.1
15 Sep 2021 17:00 Coden United States  0.1
15 Sep 2021 17:00 Nelson United States  0.1
15 Sep 2021 03:15 San Jose de los Leones Mexico  0.1
15 Sep 2021 02:45 Rancho Magueyes Mexico  0.1
14 Sep 2021 22:30 Ejido Guandalupe Victoria Mexico  0.1
14 Sep 2021 22:30 El Mezquital Mexico  0.1
14 Sep 2021 23:30 Balantanche Mexico  0.1
14 Sep 2021 22:45 Campeche Mexico  0.1
14 Sep 2021 19:15 Macho Creek Guatemala  0.1
14 Sep 2021 19:15 Puerto Santo Tomas de Castilla Guatemala  0.1
14 Sep 2021 19:15 Punta Manabique Guatemala  0.1
14 Sep 2021 19:15 Puerto Barrios Guatemala  0.1
14 Sep 2021 19:15 Cambalache Guatemala  0.1
14 Sep 2021 19:15 Piedra Parada Guatemala  0.1
14 Sep 2021 19:15 Corozo Guatemala  0.1
14 Sep 2021 19:15 La Graciosa Guatemala  0.1
14 Sep 2021 19:15 Machacal Guatemala  0.1
15 Sep 2021 17:30 Dauphin Island United States  0.1
15 Sep 2021 17:30 Fort Gaines United States  0.1
15 Sep 2021 17:30 Fort Morgan United States  0.1
15 Sep 2021 17:30 Gulf Highlands United States  0.1
14 Sep 2021 18:00 Quintana United States  0.1
14 Sep 2021 18:00 Surfside United States  0.1
14 Sep 2021 18:00 Mims United States  0.1
14 Sep 2021 18:00 Surfside Beach United States  0.1
14 Sep 2021 18:15 Fraccionamiento Nuevo Leon Mexico  0.1
14 Sep 2021 18:15 Kopernik Shores United States  0.1
14 Sep 2021 18:15 Boca Chica United States  0.1
14 Sep 2021 22:15 Los Ebanos Mexico  0.1
14 Sep 2021 18:00 Laguna Heights United States  0.1
14 Sep 2021 18:00 Port Isabel United States  0.1
14 Sep 2021 18:00 South Padre Island United States  0.1
14 Sep 2021 19:15 Gualora Honduras  0.1
14 Sep 2021 19:15 Barrancones Honduras  0.1
14 Sep 2021 19:15 Buena Vista Honduras  0.1
14 Sep 2021 22:15 El Porvenir Mexico  0.1
15 Sep 2021 04:00 El Americano Mexico  0.1
14 Sep 2021 18:45 Holly Beach United States  0.1
14 Sep 2021 18:45 Laguna Vista United States  0.1
14 Sep 2021 19:15 Buena Vista United States  0.1
14 Sep 2021 19:30 La Union El Salvador  0.1
14 Sep 2021 19:30 Murucagua Honduras  0.1
14 Sep 2021 19:30 Conchaguita El Salvador  0.1
14 Sep 2021 19:30 El Capulin Honduras  0.1
14 Sep 2021 19:30 El Zapote Honduras  0.1
14 Sep 2021 19:30 El Ajustillo Honduras  0.1
14 Sep 2021 19:30 Puerto Grande Honduras  0.1
14 Sep 2021 19:30 El Volcancillo Honduras  0.1
14 Sep 2021 19:30 Las Piletas Honduras  0.1
14 Sep 2021 19:30 El Moray Honduras  0.1
14 Sep 2021 19:30 Estero del Espino Honduras  0.1
14 Sep 2021 19:30 Campamento Honduras  0.1
14 Sep 2021 21:15 Tampico Alta Mexico  0.1
14 Sep 2021 19:45 Port Arthur United States  0.1
14 Sep 2021 19:45 Griffing Park United States  0.1
14 Sep 2021 19:45 Groves United States  0.1
14 Sep 2021 19:45 Lakeview United States  0.1
14 Sep 2021 19:45 Atreco United States  0.1
14 Sep 2021 19:45 Bridge City United States  0.1
14 Sep 2021 23:00 Anton Lizardo Mexico  0.1
14 Sep 2021 23:00 Salinas Mexico  0.1
14 Sep 2021 23:00 Buen Pais Mexico  0.1
14 Sep 2021 22:45 Neyac Mexico  0.1
14 Sep 2021 21:45 Seybaplaya Mexico  0.1
14 Sep 2021 21:45 Laja Mexico  0.1
14 Sep 2021 19:15 Cattle Landing Belize  0.1
14 Sep 2021 19:30 El Tambor Honduras  0.1
14 Sep 2021 20:45 Conejo Mexico  0.1
14 Sep 2021 22:45 Valton Mexico  0.1
16 Sep 2021 04:15 Big Branch United States  0.1
14 Sep 2021 20:45 City Arroyo United States  0.1
14 Sep 2021 20:45 Arroyo City Subdivision Colonia United States  0.1
14 Sep 2021 22:15 Tecolutla Mexico  0.1
14 Sep 2021 22:15 La Guadalupe Mexico  0.1
14 Sep 2021 22:15 Monte Gordo Mexico  0.1
14 Sep 2021 20:00 Guerrero El Salvador  0.1
16 Sep 2021 19:00 Surf United States  0.1
16 Sep 2021 19:00 Panacea United States  0.1
16 Sep 2021 19:00 Medart United States  0.1
16 Sep 2021 19:00 Sun N Sand Beaches United States  0.1
16 Sep 2021 19:00 Skipper United States  0.1
16 Sep 2021 19:00 Live Oak Island United States  0.1
16 Sep 2021 19:00 Hyde Park United States  0.1
16 Sep 2021 19:00 Wakulla Beach United States  0.1
16 Sep 2021 19:00 Saint Marks United States  0.1
16 Sep 2021 19:00 Port Leon United States  0.1
16 Sep 2021 19:00 Plum Orchard United States  0.1
14 Sep 2021 22:00 Haltunchen Mexico  0.1
14 Sep 2021 18:00 Hoskins United States  0.1
14 Sep 2021 18:00 Bryan Beach United States  0.1
14 Sep 2021 18:00 Valasco Heights United States  0.1
14 Sep 2021 18:00 Freeport United States  0.1
14 Sep 2021 22:00 Tenixtepec Mexico  0.1