Overall Green alert Tropical Cyclone for IALY-24
in Somalia, Kenya, Tanzania

Event summary

Tropical Cyclone IALY-24 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001061
Name IALY-24
From - To 16 May - 22 May
Exposed countries Somalia, Kenya, Tanzania
Exposed population No people in Category 1 or higher
Maximum wind speed 137 km/h Category 1
Maximum storm surge 0.4 m (21 May 00:00 UTC)
Vulnerability Medium (Tanzania)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
WMO-RSMC La Réunion 74 km/h 0.3 m n.a. 0.5
GDACS JTWC 56 km/h 0.2 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 126 km/h 0.4 m 1064 mm 0.5
GFS 148 km/h 0.4 m 705 mm 0.5
ECMWF 68 km/h 0.4 m 731 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Kenya - Tropical cyclone IALY (ECHO 23 May 2024)Thu, 23 May 2024 10:35

  • Heavy rainfall, strong wind and storm surge connected to the passage of the tropical cyclone IALY over the western Indian Ocean have been affecting the coastal area of Kenya over the last 48 hours, causing a number of severe weather related incidents, mainly due to the strong wind and storm surge that have resulted in casualties and damage.
  • Media report, as of 23 May, two fatalities and six injured people across the Kilifi county, south-eastern Kenya. In addition, media also report damages to infrastructure across the mentioned Kilifi county and the neighbouring Mombasa county.
  • Over the next 48 hours, more heavy rainfall with locally very heavy rainfall is still forecasted over the coastal area of Kenya.
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: 55 | About casualties: 5 | Last hour: 0

Kenya: il ciclone Ialy causa vittime e danni2024-05-24T12:11+0200.

Il Kenya sta vivendo ore difficili sul fronte del maltempo. Forti piogge, venti intensi e mareggiate legati al passaggio del ciclone tropicale Ialy sull’Oceano Indiano occidentale hanno colpito nelle ultime ore la zona costiera del Paese, p
Le cyclone Ialy frappe la côte kenyane, arrache des poteaux électrique ... 2024-05-24T00:19+0200.

Des vents extrêmement forts ont été signalés dans diverses zones côtières du Kenya à la suite du cyclone Ialy. Quelle est la gravité de l’impact du cyclone Ialy ? Plusieurs maisons le long de la côte kenyane ont été détruites et un nombre i
Nation » Explainer: Why deadly Cyclone Ialy's impact on Kenya's Coast ... 2024-05-23T17:34+0200.

When the Kenya Meteorological Department (KMD) issued an alert over the weekend, about an impending storm in the Indian Ocean which would affect coastal counties, the main focus by disaster management teams was on how to prevent disasters i
Two dead in Kenya’s Coast region in Cyclone Ialy aftermath2024-05-23T17:14+0200.

Thursday May 23, 2024. A cyclone wreaked havoc in Kenya’s coastal region on Tuesday evening, claiming two lives and injuring six others. Cyclone Ialy, which intensified from an initial tropical storm, brought strong winds, rain and high wav

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 (40), (2), WMO (1), INFORM (2),