GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Orange alert Tropical Cyclone for CHAPALA-15
from 28 Oct 2015 18:00 UTC to 31 Oct 2015 06:00 UTC
Automatic impact report for tropical cyclone CHAPALA-15
alertimage

Current Orange alert for wind impact in as of 31 Oct 2015 06:00:00 UTC

This tropical cyclone is expected to have a medium humanitarian impact based on the storm strength and the affected population in the past and forecasted path.

Current storm status

This report is for advisory number 25 of tropical cyclone CHAPALA-15 issued at 03 Nov 2015 18:00 UTC (GDACS Event ID 1000233, Latest episode ID: 25, inserted at 31 Oct 2015 07:59 UTC ).

Current impact estimate:

  • Population affected by Category 1 (120 km/h) wind speeds or higher is 0.337 million
  • Tropical Storm (maximum wind speed of 250 km/h)
  • Vulnerability of affected countries:

Impact of Extreme Wind

25  24  23  22  21  20  19  18  17  16  15  14  12  11  8  7  6  5  4  3  2  1  
Cloud map
Cloud map. Track and wind-buffer map. Green area: Area that can be affected by winds of more than 64 km/h (Tropical Storm strength). Orange area: Same, for winds of more than 92 km/h. Red area: Same, for winds above 120 km/h (Hurricane or Typhoon strength) (Source: JRC)
Cloud Map Zoomed on last forecast
Cloud Map Zoomed on last forecast. The zoomed map on the last track. (Source: JRC)

No content available ..

See complete report

Event time line

The storm evolution is shown in the table below. Alert levels and population estimates are related to the area from a point to the next.

No content available ..

Previous advisories

For accessing reports of previous advisories, please click on the advisory number in the table below.

IDAlert ColorDate (UTC)CategoryMaximum sustained
wind speed (km/h)
Population affected
by cyclone winds (>120km/h)
Affected countries
25 03 Nov 2015 18:00 Tropical storm 74 300 thousand  
24 03 Nov 2015 12:00 Tropical storm 102 300 thousand Yemen
23 03 Nov 2015 06:00 Category 1 120 520 thousand Yemen
22 03 Nov 2015 00:00 Category 1 139 340 thousand Yemen
21 02 Nov 2015 18:00 Category 1 120 170 thousand Yemen
20 02 Nov 2015 12:00 Category 2 167 120 thousand Yemen
19 02 Nov 2015 06:00 Category 3 194 90 thousand Yemen
18 02 Nov 2015 00:00 Category 3 194 70 thousand Yemen
17 01 Nov 2015 18:00 Category 1 139 110 thousand Yemen
16 01 Nov 2015 12:00 Category 2 157 390 thousand Yemen
15 01 Nov 2015 06:00 Category 1 139 220 thousand Yemen
14 01 Nov 2015 00:00 Category 2 176 610 thousand Yemen, Saudi Arabia
12 31 Oct 2015 12:00 Category 1 139 290 thousand Yemen
11 31 Oct 2015 06:00 Category 2 167 90 thousand Yemen
8 30 Oct 2015 12:00 Category 4 222 70 thousand Yemen
7 30 Oct 2015 06:00 Category 3 185 60 thousand Yemen
6 30 Oct 2015 00:00 Category 4 213 60 thousand Yemen
5 29 Oct 2015 18:00 Category 4 213 60 thousand Yemen
4 29 Oct 2015 12:00 Category 4 213 40 thousand Yemen
3 29 Oct 2015 06:00 Category 4 213 40 thousand Yemen
2 29 Oct 2015 00:00 Category 3 194 40 thousand Yemen
1 28 Oct 2015 18:00 Category 3 194 20 thousand Yemen

More information

Data resources

For a full list of available products related to this event, please refer to the GDACS Resources page.

About the data

JRC set up an automatic routine that includes the Tropical Cyclone (TC) bulletins produced by the National Oceanic and Atmospheric Administration (NOAA) and the Joint Typhoon Warning Center (JTWC) into a single database, covering all TC basins.

JRC calculates areas affected by high winds (wind buffers at 39, 58 and 74mph). This is done using the maximum reported wind radius (maximum of 4 quadrants) or, in case no wind radii are provided, through a regression analysis based on historical data. JRC also calculates the area affected by storm surge using HyFlux2 (hydrodynamic software).

Sources for data on critical infrastructure are: JRC NUMAS database (nuclear plants), ESRI (hydro dams, 1996), Global Discovery (airports, ports and cities).

Population data is from LandScan 2014.

Disclaimer

While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information. The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.