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 ECMWF
Exposed countries United States
Exposed population No people in Category 1 or higher
Maximum wind speed 94 km/h
Maximum storm surge 1.3 m (13 Sep 23:30 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
ECMWF Current 94 km/h 1.3 m 154 mm 0.5
ECMWF Overall 76 km/h 1.3 m 349 mm 0.5

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

Wind

76 km/h

Up to 50 thousand can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 13 Sep 2021 12:00 UTC
CategoryCountryPopulation 
Tropical StormUnited States51,211 

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 00:00 50 - - - - - - -
GREEN 2 12 Sep 2021 12:00 83 - - - - - - -
GREEN 3 13 Sep 2021 00:00 90 - - - - - - -
GREEN 4 13 Sep 2021 12:00 94 -
- - - - - United States




Impact estimation for the next 72h
Download:





Rain exposed population - AoIs

Estimations based on the bulletin of 13 Sep 2021 12:00 UTC
LevelCountryPopulation 
250-500 mmUnited States, Mexico148,018
+
United States145,711 
Mexico2,306 
100-250 mmUnited States, Mexico2,790,124
+
United States2,229,198 
Mexico560,926 
50-100 mmUnited States, Mexico, Guatemala, Honduras, Nicaragua11,433,964
+
United States8,172,635 
Mexico3,058,156 
Guatemala188,436 
Honduras10,711 
Nicaragua4,024 

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 00:00 177 140 thousand
- - - - Mexico, El Salvador
Blue 2 12 Sep 2021 12:00 248 10 thousand
- - - - Mexico
Blue 3 13 Sep 2021 00:00 199 40 thousand
- - - - Mexico, Guatemala
Blue 4 13 Sep 2021 12:00 349 2.9 million
- - - United States, Mexico, Guatemala, Honduras, Nicaragua




Impact estimation for the next 72h

StormSurge

1.3 m

The maximum Storm surge height is  1.3m in Alamo Beach, United States. This height is estimated for 13 Sep 2021 23:30 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 locations

Calculation based on the bulletin of 13 Sep 2021 12:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
13 Sep 2021 23:30 Alamo Beach United States  1.3
13 Sep 2021 23:30 Point Comfort United States  1.3
13 Sep 2021 23:30 Magnolia Beach United States  1.3
13 Sep 2021 23:30 Indianola United States  1.3
13 Sep 2021 23:30 Olivia United States  1.3
13 Sep 2021 23:30 Port Alto United States  1.3
13 Sep 2021 23:30 Port O'Connor United States  1.3
13 Sep 2021 23:30 Carancahua United States  1.3
13 Sep 2021 23:30 El Campo Club Community United States  1.3
13 Sep 2021 23:15 Weedhaven United States  1.2
13 Sep 2021 23:15 Camp Hulen United States  1.2
13 Sep 2021 23:15 Palacios United States  1.2
14 Sep 2021 14:30 Cedar Point United States  1.1
14 Sep 2021 14:30 Beach City United States  1.1
14 Sep 2021 14:30 Oak Island United States  1.1
14 Sep 2021 14:30 Anahuac United States  1.1
14 Sep 2021 00:15 Collegeport United States  1.0
14 Sep 2021 00:15 Simpsonville United States  1.0
14 Sep 2021 00:15 Citrus Grove United States  1.0
14 Sep 2021 11:45 Webster United States  1.0
14 Sep 2021 11:45 Clear Lake City United States  1.0
14 Sep 2021 11:45 Nassau Bay United States  1.0
14 Sep 2021 11:45 Kilkare United States  1.0
14 Sep 2021 11:45 Lakeside United States  1.0
14 Sep 2021 11:45 Taylor Lake United States  1.0
14 Sep 2021 11:45 La Porte United States  1.0
14 Sep 2021 11:45 El Lago United States  1.0
14 Sep 2021 11:45 Clear Lake Shores United States  1.0
14 Sep 2021 11:45 Kemah United States  1.0
14 Sep 2021 11:45 Shoreacres United States  1.0
14 Sep 2021 11:45 Bayside Terrace United States  1.0
14 Sep 2021 11:45 Todville United States  1.0
14 Sep 2021 11:45 Morgan's Point United States  1.0
14 Sep 2021 11:45 Bayview United States  1.0
14 Sep 2021 11:45 Red Bluff United States  1.0
14 Sep 2021 11:45 Seabrook United States  1.0
14 Sep 2021 11:45 Morgan Point United States  1.0
14 Sep 2021 11:45 Baytown United States  1.0
14 Sep 2021 11:45 Bacliff United States  1.0
14 Sep 2021 11:45 Pelly United States  1.0
14 Sep 2021 11:45 San Leon United States  1.0
14 Sep 2021 11:45 Smith Point United States  1.0
14 Sep 2021 13:30 Elmgrove United States  0.9
14 Sep 2021 03:15 Matagorda United States  0.9
14 Sep 2021 03:15 Chinquapin United States  0.9
14 Sep 2021 14:30 Flake United States  0.8
14 Sep 2021 07:30 Nadeau United States  0.8
14 Sep 2021 07:30 Texas City Junction United States  0.8
14 Sep 2021 07:30 Bayou Vista United States  0.8
14 Sep 2021 07:30 Texas City United States  0.8
14 Sep 2021 07:30 Anderson Ways United States  0.8
14 Sep 2021 07:30 Virginia Point United States  0.8
14 Sep 2021 07:30 Galveston United States  0.8
14 Sep 2021 07:30 Port Bolivar United States  0.8
14 Sep 2021 07:30 Fort Travis United States  0.8
13 Sep 2021 22:45 Seadrift United States  0.8
14 Sep 2021 09:30 Bay Harbor United States  0.8
14 Sep 2021 09:30 Sea Isle United States  0.8
14 Sep 2021 09:30 Hitchcock United States  0.8
14 Sep 2021 09:30 Jamaica Beach United States  0.8
14 Sep 2021 06:00 Hoskins United States  0.7
14 Sep 2021 06:00 Peterson Landing United States  0.7
14 Sep 2021 06:00 Port Morris United States  0.7
14 Sep 2021 06:00 Red Fish Cove United States  0.7
14 Sep 2021 15:00 Crystal Beach United States  0.7
14 Sep 2021 15:00 Patton United States  0.7
14 Sep 2021 15:00 Bolivar Peninsula United States  0.7
14 Sep 2021 07:15 Caplen United States  0.7
14 Sep 2021 07:15 Gilchrist United States  0.7
14 Sep 2021 04:30 Gulf Park United States  0.6
14 Sep 2021 04:30 Bryan Beach United States  0.6
14 Sep 2021 04:30 Valasco Heights United States  0.6
14 Sep 2021 04:30 Freeport United States  0.6
13 Sep 2021 23:00 Maudlowe United States  0.6
13 Sep 2021 23:00 Tivoli United States  0.6
13 Sep 2021 23:00 Spanish Village United States  0.6
13 Sep 2021 23:00 Austwell United States  0.6
14 Sep 2021 04:30 Quintana United States  0.6
14 Sep 2021 04:30 Surfside United States  0.6
14 Sep 2021 04:30 Surfside Beach United States  0.6
14 Sep 2021 05:00 Mims United States  0.6
14 Sep 2021 06:30 High Island United States  0.6
14 Sep 2021 05:00 Hoskins United States  0.6
13 Sep 2021 13:45 Port Mansfield United States  0.5
16 Sep 2021 03:30 Intracoastal City United States  0.5
14 Sep 2021 07:00 Sabine United States  0.5
14 Sep 2021 07:00 Sabine Pass United States  0.5
13 Sep 2021 20:00 Corpus Christi United States  0.5
13 Sep 2021 20:00 North Beach United States  0.5
13 Sep 2021 20:00 Gardendale United States  0.5
13 Sep 2021 20:00 Doyle United States  0.5
13 Sep 2021 20:00 Orange Grove United States  0.5
13 Sep 2021 20:00 Peary Place United States  0.5
13 Sep 2021 20:00 Portland United States  0.5
13 Sep 2021 20:00 Flour Bluff United States  0.5
13 Sep 2021 20:00 Caruthers Cove Colonia United States  0.5
13 Sep 2021 20:00 Ingleside United States  0.5
13 Sep 2021 20:00 Kenney Lane West Colonia United States  0.5
13 Sep 2021 20:00 Port Ingleside United States  0.5
13 Sep 2021 20:00 Indian Trails Lane Colonia United States  0.5
13 Sep 2021 20:00 Country Estates Colonia United States  0.5
13 Sep 2021 20:00 Aransas Pass United States  0.5
13 Sep 2021 20:00 Mustang Beach United States  0.5
13 Sep 2021 20:00 Port Aransas United States  0.5
13 Sep 2021 15:45 City Arroyo United States  0.5
13 Sep 2021 15:45 Arroyo City Subdivision Colonia United States  0.5
16 Sep 2021 00:30 Cypremort Point United States  0.4
16 Sep 2021 00:30 Weeks United States  0.4
13 Sep 2021 19:30 Country Acres Colonia United States  0.4
13 Sep 2021 19:30 Estes United States  0.4
13 Sep 2021 19:30 Rockport United States  0.4
13 Sep 2021 19:30 Shell Ridge United States  0.4
13 Sep 2021 19:30 Copano Village United States  0.4
13 Sep 2021 19:30 Fulton United States  0.4
13 Sep 2021 19:30 Lamar United States  0.4
16 Sep 2021 01:45 Louisa United States  0.4
16 Sep 2021 01:45 Ivanhoe United States  0.4
13 Sep 2021 19:30 Johnson's Bayou United States  0.4
13 Sep 2021 18:15 Constance Beach United States  0.4
13 Sep 2021 18:15 Peveto Beach United States  0.4
13 Sep 2021 18:15 Holly Beach United States  0.4
13 Sep 2021 18:15 Cameron United States  0.4
13 Sep 2021 16:15 Gregory United States  0.4
13 Sep 2021 18:00 Oak Grove United States  0.4
13 Sep 2021 14:15 Holly Beach United States  0.4
16 Sep 2021 02:00 Florence United States  0.4
16 Sep 2021 02:00 Cote Blanche Landing United States  0.4
16 Sep 2021 02:00 Freetown United States  0.4
13 Sep 2021 15:00 Buena Vista United States  0.4
13 Sep 2021 15:00 Laguna Vista United States  0.4
13 Sep 2021 15:00 Laguna Heights United States  0.4
13 Sep 2021 15:00 Port Isabel United States  0.4
13 Sep 2021 15:00 South Padre Island United States  0.4
13 Sep 2021 13:00 Kopernik Shores United States  0.4
13 Sep 2021 13:00 Boca Chica United States  0.4
16 Sep 2021 10:00 Gordy United States  0.3
16 Sep 2021 10:00 South Bend United States  0.3
16 Sep 2021 10:00 Burns United States  0.3
13 Sep 2021 18:15 Grand Chenier United States  0.3
13 Sep 2021 17:30 El Martillo United States  0.3
13 Sep 2021 17:30 Yarborough United States  0.3
16 Sep 2021 09:30 Ellerstie United States  0.3
13 Sep 2021 13:45 Fraccionamiento Nuevo Leon Mexico  0.3
15 Sep 2021 01:15 Cheniere Au Tigre United States  0.3
13 Sep 2021 14:30 La Chacara Nicaragua  0.2
13 Sep 2021 14:30 El Capulin Nicaragua  0.2
13 Sep 2021 14:30 Condega Honduras  0.2
13 Sep 2021 14:30 Cedeno Honduras  0.2
13 Sep 2021 14:30 Mangle Alto Nicaragua  0.2
13 Sep 2021 14:30 Albania Honduras  0.2
15 Sep 2021 04:45 Martello Castle United States  0.2
15 Sep 2021 04:45 Chef Menteur United States  0.2
15 Sep 2021 04:45 Greens Ditch United States  0.2
15 Sep 2021 04:45 Lake Catherine United States  0.2
15 Sep 2021 04:45 Shell Beach United States  0.2
15 Sep 2021 04:45 Alluvial City United States  0.2
15 Sep 2021 04:45 Yscloskey United States  0.2
15 Sep 2021 04:45 Hopedale United States  0.2
15 Sep 2021 04:45 Saint Malo United States  0.2
13 Sep 2021 14:30 El Puente Nicaragua  0.2
13 Sep 2021 14:30 Las Pozas Nicaragua  0.2
13 Sep 2021 18:45 Happy Jack United States  0.2
13 Sep 2021 18:45 Potash United States  0.2
13 Sep 2021 19:15 Hesperides United States  0.2
13 Sep 2021 19:15 Nairn United States  0.2
13 Sep 2021 19:15 Empire United States  0.2
15 Sep 2021 00:15 Howze Beach United States  0.2
15 Sep 2021 00:15 Fort Pike United States  0.2
15 Sep 2021 00:15 White Kitchen United States  0.2
15 Sep 2021 00:15 Riolets United States  0.2
15 Sep 2021 00:15 Pearlington United States  0.2
15 Sep 2021 00:15 North Side United States  0.2
15 Sep 2021 00:15 Jackson Landing United States  0.2
15 Sep 2021 00:15 English Lookout United States  0.2
15 Sep 2021 00:15 Ansley United States  0.2
15 Sep 2021 00:30 Bayside Park United States  0.2
15 Sep 2021 00:30 Lakeshore United States  0.2
15 Sep 2021 00:30 Klin United States  0.2
15 Sep 2021 00:30 Kiln United States  0.2
15 Sep 2021 00:30 Shoreline Park United States  0.2
15 Sep 2021 00:30 Silver Creek Acres United States  0.2
15 Sep 2021 00:30 Waveland United States  0.2
15 Sep 2021 00:30 Fenton United States  0.2
15 Sep 2021 00:30 Diamondhead United States  0.2
15 Sep 2021 00:30 Bay St Louis United States  0.2
15 Sep 2021 00:30 Henderson Point United States  0.2
15 Sep 2021 00:30 De Lisle United States  0.2
15 Sep 2021 00:30 Pass Christian United States  0.2
15 Sep 2021 00:30 Cuevas United States  0.2
15 Sep 2021 00:30 White Harbor United States  0.2
13 Sep 2021 18:15 Sunrise United States  0.2
13 Sep 2021 18:15 Buras United States  0.2
13 Sep 2021 18:15 Ostrica United States  0.2
13 Sep 2021 18:15 Neptune United States  0.2
13 Sep 2021 18:15 Fort Jackson United States  0.2
13 Sep 2021 18:15 Boothville United States  0.2
15 Sep 2021 04:45 Bassa Bassa United States  0.2
15 Sep 2021 01:00 Cocodrie United States  0.2
15 Sep 2021 10:00 Chaparral Mexico  0.2
13 Sep 2021 18:30 Duvic United States  0.2
15 Sep 2021 21:00 Fivemile Oaks United States  0.2
14 Sep 2021 01:30 La Gloria Mexico  0.2
13 Sep 2021 12:15 Corozo Guatemala  0.2
13 Sep 2021 12:15 Cabeza de Vaca Guatemala  0.2
13 Sep 2021 12:15 Baranca Belize  0.2
13 Sep 2021 12:15 San Juan Guatemala  0.2
13 Sep 2021 12:15 Cocoli Guatemala  0.2
13 Sep 2021 12:15 Buena Vista Guatemala  0.2
13 Sep 2021 12:15 Livingston Guatemala  0.2
13 Sep 2021 12:15 Macho Creek Guatemala  0.2
13 Sep 2021 12:15 Punta Manabique Guatemala  0.2
13 Sep 2021 12:15 Puerto Barrios Guatemala  0.2
13 Sep 2021 12:15 Puerto Santo Tomas de Castilla Guatemala  0.2
13 Sep 2021 12:15 Cambalache Guatemala  0.2
13 Sep 2021 12:15 Piedra Parada Guatemala  0.2
13 Sep 2021 12:15 Corozo Guatemala  0.2
13 Sep 2021 12:15 La Graciosa Guatemala  0.2
13 Sep 2021 12:15 Machacal Guatemala  0.2
14 Sep 2021 22:45 Long Beach United States  0.2
14 Sep 2021 22:45 Gulfport United States  0.2
13 Sep 2021 12:00 Cattle Landing Belize  0.2
14 Sep 2021 23:00 Mississippi City United States  0.2
14 Sep 2021 23:00 Handsboro United States  0.2
14 Sep 2021 23:00 Edgewater Park United States  0.2
14 Sep 2021 23:00 Beauvoir United States  0.2
13 Sep 2021 21:30 Bayside United States  0.2
13 Sep 2021 21:30 Holiday Beach United States  0.2
13 Sep 2021 23:45 El Mezquite Mexico  0.1
13 Sep 2021 13:45 El Mezquital Mexico  0.1
15 Sep 2021 01:30 West Point United States  0.1
13 Sep 2021 13:45 El Carmen Nicaragua  0.1
13 Sep 2021 12:00 New Haven Belize  0.1
14 Sep 2021 22:30 Loraine United States  0.1
14 Sep 2021 22:30 Wool Market United States  0.1
14 Sep 2021 22:30 Cedar Lake United States  0.1
14 Sep 2021 22:30 Biloxi United States  0.1
14 Sep 2021 22:30 D'Iberville United States  0.1
14 Sep 2021 22:30 Saint Martin United States  0.1
15 Sep 2021 01:00 Leeville United States  0.1
15 Sep 2021 05:45 West Pointe A la Hache United States  0.1
15 Sep 2021 05:45 Grand Ecaille United States  0.1
14 Sep 2021 22:45 Ocean Springs United States  0.1
14 Sep 2021 22:45 Gulf Hills United States  0.1
15 Sep 2021 01:45 Breton United States  0.1
13 Sep 2021 14:00 Ejido Guandalupe Victoria Mexico  0.1
13 Sep 2021 14:00 Los Ebanos Mexico  0.1
13 Sep 2021 14:00 El Porvenir Mexico  0.1
13 Sep 2021 13:30 Gualora Honduras  0.1
13 Sep 2021 13:30 Barrancones Honduras  0.1
13 Sep 2021 13:30 Buena Vista Honduras  0.1
13 Sep 2021 22:30 San Jose de los Leones Mexico  0.1
13 Sep 2021 19:00 Plum Orchard United States  0.1
13 Sep 2021 19:00 Mandalay United States  0.1
13 Sep 2021 21:15 Sisal Mexico  0.1
13 Sep 2021 21:30 El Americano Mexico  0.1
15 Sep 2021 02:30 Port Fourchon United States  0.1
14 Sep 2021 00:00 Rancho Magueyes Mexico  0.1
14 Sep 2021 22:45 Gulf Park Estates United States  0.1
13 Sep 2021 18:45 Saint Marks United States  0.1
13 Sep 2021 18:45 Port Leon United States  0.1
13 Sep 2021 18:45 Newport United States  0.1
13 Sep 2021 13:15 El Ajustillo Honduras  0.1
13 Sep 2021 13:15 Puerto Grande Honduras  0.1
13 Sep 2021 13:15 Las Piletas Honduras  0.1
13 Sep 2021 13:15 El Moray Honduras  0.1
13 Sep 2021 13:15 El Tambor Honduras  0.1
15 Sep 2021 21:45 Campeche Mexico  0.1
13 Sep 2021 20:45 Conejo Mexico  0.1
14 Sep 2021 01:30 Las Guayabas Mexico  0.1
13 Sep 2021 18:00 La Pesca Mexico  0.1
13 Sep 2021 23:15 Anton Lizardo Mexico  0.1
13 Sep 2021 23:15 Salinas Mexico  0.1
13 Sep 2021 23:15 Buen Pais Mexico  0.1
13 Sep 2021 21:15 Real de Salinas Mexico  0.1
13 Sep 2021 21:15 Celestum Mexico  0.1
13 Sep 2021 21:30 Chelem Mexico  0.1
13 Sep 2021 21:30 Progreso Mexico  0.1