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20 Sep 2017 description
map UNOSAT

Tropical Cyclone MARIA-17 : Path and Wind Speed Zones (as of 18 September 2017)

This map illustrates the tropical cyclone MARIA-17 path with low, medium and strong wind impact zones observed and predicted at 18 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 8 issued the 18 th September 2017 at 09:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITARUNOSAT.

12 Sep 2017 description
map UNOSAT

This map illustrates the tropical cyclone IRMA-17 path with low, medium and strong wind impact zones observed at 11 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 49 issued the 11 th September 2017 at 09:00 UTC). As well, the surface wind data and categories (associated damage) according to Saffir-Simpson Scale were derived from NOAAHWRF (11 September 2017 at 06:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.

12 Sep 2017 description
infographic UNOSAT

Overview

Hurricane IRMA moved across western, north-western counties of Florida and south-western Georgia on 11 September, weakening into a tropical depression. Over the next 48 hours, it is forecast to pass over Alabama and western Tennessee. Heavy rain and strong winds could affect these areas. Media have reported ten deaths across the United States.

09 Sep 2017 description
map UNOSAT

This map illustrates the tropical cyclone IRMA-17 path with low, medium and strong wind impact zones observed and predicted at 5 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 24 issued the 05 th September 2017 at 09:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITARUNOSAT

07 Sep 2017 description
map UNOSAT

This map illustrates the tropical cyclone IRMA-17 path with low, medium and strong wind impact zones observed and predicted at 7 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 33 issued the 07 th September 2017 at 09:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITARUNOSAT

05 Sep 2017 description
map UNOSAT

This map illustrates the tropical cyclone IRMA-17 path with low, medium and strong wind impact zones observed and predicted at 5 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 24 issued the 05 th September 2017 at 09:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITARUNOSAT.

05 Sep 2017 description
infographic UNOSAT

Overview IRMA-17 is a category 4 tropical cyclone going through in the Atlantic Ocean that is approaching the eastern part of the Caribbean. It originated as a tropical storm at the West of Cape Verde on 30 August 2017 and has been gaining speed as it moves to the West.
As of 5 September 2017, IRMA has maximum sustained winds of 240km/h with gusts to 295km/h. It is expected to hit Antigua and Barbuda in the morning of 06 September 2017 and continue to Anguilla, the British Virgin Islands and Turks and Caicos which are located in the 120km/h wind speed zone.

05 Sep 2017 description
map UNOSAT

This map illustrates the tropical cyclone IRMA-17 path with low, medium and strong wind impact zones observed and predicted at 5 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 24 issued the 05th September 2017 at 09:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.

04 Sep 2017 description
map UNOSAT

This map illustrates the tropical cyclone IRMA-17 path with low, medium and strong wind impact zones observed and predicted at 4 September 2017. The tropical cyclone path and wind speed zones were derived from Joint Research Centre data (Warning 21 issued the 04 th September 2017 at 15:00 UTC). This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.

03 May 2017 description

This map illustrates the satellite-detected water and/or saturated wet soil extent in Solon Communal Section, St. Louis du Sud Commune in Sud Department located in the southwestern part of Haiti. The UNITAR-UNOSAT analysis used a WorldView-2 satellite image acquired on the 28 April 2017 and could observe areas with standing waters and saturated wet soil mainly affecting agricultural fields. The UNITAR-UNOSAT analysis identified 118 ha of those areas, which cover 8.50% of this map's extent of 1385 ha of land. This is a preliminary analysis and has not yet been validated in the field.

01 May 2017 description

This map illustrates the satellite-detected water extent in Cavaillon commune in Sud Department (Haiti) located in the southwestern part of Haiti. The UNITAR-UNOSAT analysis used a Sentinel-1 satellite image acquired on the 26 April 2017 and a Radarsat-2 image acquired on the 17 May 2016 and could observe areas with standing waters mainly affecting agricultural fields. The UNITAR-UNOSAT analysis identified 566 ha of flooded areas, which cover 7% of this map's extent of ~8500 ha of land. The increase of waters within the analyzed zone is about 550%.

01 May 2017 description

This map illustrates the satellite-detected water extent in Les Cayes and Cavaillon communes in Sud Department (Haiti) located in the southwestern part of Haiti. The UNITAR-UNOSAT analysis used a Sentinel-1 satellite image acquired on the 26 April 2017 and a Radarsat-2 image acquired on the 17 May 2016 and could observe areas with standing waters mainly affecting agricultural fields. The UNITAR-UNOSAT analysis identified 718 ha of flooded areas, which cover ~4% of this map's extent of ~20300 ha of land. The increase of waters within the analyzed zone is about 460%.

01 May 2017 description

This map illustrates the satellite-detected water extent and evolution between 26 and 28 April 2017 in Les Cayes and Cavaillon communes in Sud Department located in the southwestern part of Haiti. The UNITAR-UNOSAT analysis used a Radarsat-2 image acquired on the 28 April 2017 and a Sentinel-1 satellite image acquired on the 26 April 2017. Between 26 and 28 April 2017 and within this map extent, waters receded from about ~590 ha of mainly agricultural lands : ~873 ha of satellite detected waters were observed on the 26 April 2017 and decreased to ~280 ha on the 28 April 2017.

23 Jan 2017 description
interactive UNOSAT
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Screenshot of the interactive content as of 23 Jan 2017.
24 Nov 2016 description

Overview

The first Category 5 Atlantic Hurricane since 2007, Hurricane Matthew, caused widespread destruction along its wake in several countries including Lesser Antilles, Jamaica, Haiti, Cuba, the Bahamas and the United States. Formed near the Windward Islands on 28 September 2016, the hurricane continued over the Caribbean resulting in catastrophic damages including loss of human lives and an estimated overall damage of over 5 Billion USD.