Overall Green alert Tropical Cyclone for VICKY-20
in Niue, American Samoa, Samoa

Event summary

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

GDACS ID TC 1000655
Name VICKY-20
From - To 20 Feb - 21 Feb
Exposed countries Niue, American Samoa, Samoa
Exposed population No people in Category 1 or higher
Maximum wind speed 83 km/h Tropical storm
Maximum storm surge 0.2 m (20 Feb 19:00 UTC)
Vulnerability High (Niue)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 65 km/h 0.2 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 94 km/h 0.2 m 531 mm 0.5
GFS 140 km/h 0.2 m 560 mm 0.5
ECMWF 79 km/h 0.2 m 490 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Niue, Samoa, American Samoa - Tropical Cyclone SEVENTEEN (VICKY) (ECHO 21 Feb 2020)Fri, 21 Feb 2020 11:01

  • After rapid intensification since 21 February, depression 09F has been named Tropical Cyclone Vicky. The storm is located just south of the Samoan Islands and is forecast to approach Niue over the weekend. Vicky is the 5th named TC of the South Pacific season.
  • After passing over Samoa and the American Samoa islands as a tropical depression on 20 February, TC Vicky was declared a category one cyclone earlier today. It is forecast to weaken as it moves south, approaching Niue on 22 February.
  • On 21 February at 0.00, its centre was located approximately 50 km south of American Samoa, with maximum sustained winds of 83 km/h. Samoa is also bracing for more stormy weather with another system developing near Tuvalu. There is a possibility this storm could also become a tropical cyclone.
  • Strong winds and floods triggered by heavy rainfall were reported on Samoa and American Samoa, while schools will remain closed on 21-22 February. A Tropical Cyclone warning and a strong wind warning have been issued for Niue. Wind, heavy rain, and flood warnings remain in force over all of the Samoan Islands, while a high waves warning is valid for American Samoa. Rainfall and thunderstorms are expected over Samoa, American Samoa, and Niue on 21-22 February.
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

Articles: 8 | About casualties: 1 | Last hour: 0

NASA measures rainfall rates in two American Samoa Tropical CyclonesSat, 22 Feb 2020 17:39:00 +0100.

. by Rob Gutro, NASA's Goddard Space Flight Center The GPM’s core satellite passed over the South Pacific Ocean on Feb. 20 at 10:20 p.m. EDT (0220 UTC, Feb. 21). GPM found heaviest rainfall (orange) occurring in both Tropical Cyclone 18P an
...(more)
National Hurricane Center: List of 2020 hurricane namesSat, 22 Feb 2020 16:48:00 +0100.

ORLANDO, Fla. Saturday marks 100 days until the start of the 2020 Atlantic hurricane season (doesn't it feel like it just ended?) which begins on June 1. Last year, the first named storm of the season formed before the start date, so it's g
...(more)
Move over Vicky, we now have Cyclone WASI for Samoa and NiueSat, 22 Feb 2020 10:38:00 +0100.

Vicky is no longer a Cyclone and has been replaced by another storm in the same area - Tropical Cyclone WASI. It is the third tropical storm to form in a week in the region and the second named tropical cyclone. "The energy in the area has
...(more)
NASA Measures Rainfall Rates in Two American Samoa Tropical CyclonesFri, 21 Feb 2020 18:17:00 +0100.

There are two tropical cyclones affecting American Samoa in the South Pacific Ocean on Feb. 21. There are two tropical cyclones affecting American Samoa in the South Pacific Ocean on Feb. 21. Tropical Storm Vicky has triggered warnings, whi
...(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

Data, images, links, services and documents

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