Overall Green Tropical Cyclone alert for MARCO-20 in United States, Mexico, Cuba, Honduras, Nicaragua from 20 Aug 2020 15:00 UTC to 22 Aug 2020 03:00 UTC

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Overall Green alert Tropical Cyclone for MARCO-20

in United States, Mexico, Cuba, Honduras, Nicaragua

Event summary

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

GDACS ID	TC 1000701
Name	MARCO-20
From - To	20 Aug - 25 Aug
Exposed countries	United States, Mexico, Cuba, Honduras, Nicaragua
Exposed population	No people in Category 1 or higher
Maximum wind speed	120 km/h Category 1
Maximum storm surge	1 m (26 Aug 00:00 UTC)
Vulnerability	Medium (Mexico)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS NOAA	46 km/h	1.2 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	230 km/h	2 m	759 mm	0.5
GFS	194 km/h	4 m	411 mm	0.5
ECMWF	202 km/h	3.9 m	531 mm	0.5

Maximum expected impact (wind, storm surge and rainfall) using different data sources.

Virtual OSOCC

Meteo assessment

Satellite products

Analytical products

Nicaragua, Honduras, Mexico - Tropical Depression FOURTEEN (ECHO 21 Aug 2020)Fri, 21 Aug 2020 13:06

New Tropical Depression FOURTEEN is moving north-west across the Caribbean, towards the eastern coast of Nicaragua and Honduras, approximately 160 km north-east of Puerto Cabezas Municipality (Nicaragua), and 170 km south-east of Puerto Lempira Municipality (Honduras), with maximum sustained winds of 56 km/h.
FOURTEEN is forecast to strengthen to a tropical storm, with maximum sustained winds up to 65 km/h, passing very close to the southern coast of Honduras before reaching Quintana Roo State (Mexico, Yucatan Peninsula) on 23 August, as a Category 1 Hurricane.
A tropical storm warning is in effect for the southern coast of Honduras and northern coast of Nicaragua, for Bay Islands (Honduras), and for coastal areas from Punta Herrero to Cancun (Mexico), where a hurricane watch has been issued.

USA - Tropical Cyclone MARCO (ECHO 24 Aug 2020)Mon, 24 Aug 2020 13:10

Tropical Cyclone MARCO is moving north over the Gulf of Mexico as a tropical storm. On 24 August at 3.00 UTC, its centre was approximately 350 km south-east of Grand Isle (southern Louisiana), with maximum sustained winds of 110 km/h.
MARCO is forecast to move west-north-west making landfall over the southern coast of Louisiana, close to Timalier Bay, on 24-25 August, with maximum sustained winds up to 110 km/h.
A state of emergency has been declared for Louisiana and Texas as Tropical Cyclones MARCO and LAURA converge.
A hurricane warning has been issued for coastal areas from central to eastern Louisiana, including New Orleans. Storm surge warnings are in effect for coastal Louisiana and a tropical storm warning from eastern Louisiana to the Mississippi-Alabama City.

Detailed event map. European Union, 2024. 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)

Latest media headlines

Weather Stories 8/25/2020 10:13:00 PM.

Both hurricanes Katrina and Rita, during the historic 2005 season, rapidly intensified before releasing devastating damage to the Gulf Coast. Tropical Storm Marco made landfall about 6 p.m. CDT near the mouth of the Mississippi River, th

...(more)

NASA’s terra satellite catches the demise of post-tropical cyclone Mar.. 8/25/2020 6:07:00 PM.

NASA’s Terra satellite passed over the Gulf of Mexico early on Aug. 25 and found a very small area of convection from post-tropical cyclone Marco, northeast of its center. All watches and warnings have been dropped as the storm continues to

...(more)

NASA's terra satellite catches the demise of post-tropical cyclone Mar.. 8/25/2020 5:39:00 PM.

Credit: Credit: NASA/NRL. NASA's Terra satellite passed over the Gulf of Mexico early on Aug. 25 and found a very small area of convection from post-tropical cyclone Marco, northeast of its center. All watches and warnings have been dropped

...(more)

Panama City Beach Floods as Storm Marco Hangs in Gulf 8/25/2020 3:33:00 PM.

Thunderstorms sparked flash flooding in Florida’s panhandle as Tropical Storm Marco lashed parts of the Gulf Coast on Monday, August 24, according to weather reports. The National Weather Service issued a flash flood warning on Monday for s

...(more)

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Analytical products

Data, images, links, services and documents

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

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