Overall Green Tropical Cyclone for NANA-20
in Belize, Guatemala, Honduras, Mexico

Event summary

Tropical Cyclone NANA-20 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000708
Name NANA-20
From - To 01 Sep - 04 Sep
Exposed countries Belize, Guatemala, Honduras, Mexico
Exposed population 20 thousand in Category 1 or higher
Maximum wind speed 120 km/h Category 1
Maximum storm surge 0.6 m (03 Sep 07:00 UTC)
Vulnerability Medium (Belize)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA n.a 0.6 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 133 km/h 0.5 m 477 mm 0.5
GFS 126 km/h 0.5 m 239 mm 0.5
ECMWF 90 km/h 0.4 m 780 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Belize, Guatemala, Honduras, Mexico - Tropical Cyclone NANA (ECHO 02 Sep 2020)Wed, 02 Sep 2020 13:13

  • A new Tropical Cyclone named NANA formed over the Caribbean Sea, south of Jamaica, on 1 September and started moving west toward the southern Yucatan Peninsula. On 2 September at 6.00 UTC, its centre was located over the sea approximately 675 km east of Belize city (Belize), and approximately 740 km east of Puerto Barrios (eastern coast of Guatemala), with maximum sustained winds of 95 km/h (tropical storm).
  • NANA is forecast to pass north of the coast of Honduras and to make landfall very close to Dangriga Town (central Belize) on 3 September, late morning (UTC), with maximum sustained winds up to 120 km/h (Category 1 Hurricane). On the forecast track, it is expected to continue moving westward inland over central Belize, and northern Guatemala on 3-4 September, as a tropical storm. It is forecast to pass over the Chiapas State (Mexico) on 4 September in the morning (UTC), as a tropical depression.
  • Heavy rainfall, strong winds, and storm surge are forecast over Belize, northern Honduras, northern Guatemala, and Quintana Roo State (northern Yucatan Peninsula, Mexico) on 2-4 September.
  • NOAA has issued an hurricane watch over the coast of Belize, and a tropical storm warning over the northern Yucatan Peninsula.
Belize, Guatemala, Honduras, Mexico - Tropical Cyclone NANA update Thu, 03 Sep 2020 13:07

  • Tropical Cyclone NANA is moving west over the Caribbean Sea, towards the coast of Belize. On 3 September at 3.00 UTC, its centre was located over the sea approximately 80 km east of Daringa city (central-coastal Belize), and approximately 90 km south-east of Belize City, with maximum sustained winds of 120 km/h (Category 1 Hurricane).
  • NANA is expected to downgrade to a tropical storm, as it makes landfall over the central coast of Belize, southern of Daringa City in the morning of 3 September, with maximum sustained winds up to 93 km/h.
  • NANA is also expected to produce rainfall accumulations of 2 to 4 inches across northern Honduras, Belize, and the southeast portion of the Mexican state of Quintana Roo.
  • A Hurricane warning is in effect for coastal Belize, from Belize city to the Belize-Guatemala border, while a tropical storm watch is in effect for for eastern coast of Mexico and southern Yucatan Peninsula, for the eastern coast of Guatemala, and for northern Honduras, including Roatan Island and the Bay Islands. 
Belize, Guatemala, Mexico - Tropical Cyclone NANA update (ECHO 04 Sep 2020)Fri, 04 Sep 2020 13:10

  • Tropical Cyclone NANA made landfall south of Dangriga Town (central coast of Belize) on 3 September, with maximum sustained winds of 120 km/h (Category 1 Hurricane). NANA continued inland across central Belize, and northern Guatemala on 3 September, weakening. After that, NANA dissipated near to the Guatemala/Mexico border on 4 September.
  • In Belize, UN OCHA reports as of 3 September, more than 4,000 sheltered people, with more than half in Toledo District. In Guatemala, the same source reports at least 500 affected people across Alta Verapaz Department.
  • DG ECHO partners in Guatemala are monitoring the situation – forecasts mention strong rain of 100 mm for the next 3 days in Petén, la Verapaces and Huehuetenango, as well as in the zones of the Costa Sur.
  • The National Coordination for Disaster Reduction in Guatemala (CONRED) reports flooding and overflown river areas in Petén, Izabal, Zacapa, Sacatepéquez, Chiquimula y Chimaltenango. The authorities in Guatemala started to prepare and preposition themselves in 5 regions of the country, particularly in Izabal and Petén –fresh rations, kitchen kits, personal hygiene kits ready to be distributed to the affected people. CONRED is ensuring communication with the authorities and recommends the population to be aware and to auto evacuate in case of necessity and to avoid spreading rumours.
  • Over the next 24 hours more heavy rain is forecast over Belize, northern, central, and western Guatemala, as well as over Chiapas and Oaxaca States (Mexico).
Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Estimated casualties (PAGER)

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The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (38), WMO (1), INFORM (2), (1),