Extreme Heavy Rain ● Closed

Fortes averses orageuses avec risque élevé d'inondation sur le littoral et risque modéré sur le reste du pays dans la nuit du 19 au 20 septembre 2026, Guinea

Event time: Last updated: Sep 28, 2026 Guinea
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

De fortes averses accompagnées d'orages s'abattent en Basse Guinée et particulièrement sur l'ensemble des villes du littoral depuis la matinée du 18 septembre 2026. Cette situation se renforcera et se maintiendra dans la nuit du 19 au 20 septembre 2026, puis affectera progressivement le reste du pays dans la même période. Le risque d’inondation est extrêmement élevé en zone côtière et dans certaines de ces localités.

Measurements

Coordinates10.1255, -10.4865
RegionL'ensemble du pays.
Location Precisionpolygon
Issuing AuthorityGuinea — gn-dnm-fr
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-20T23:00:00+00:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 30 days ago (Sep 19, 2026 18:52 UTC) · we last heard from WMO Alert Hub (national weather services) 50 seconds ago

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What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Flash flood risk awareness, urban drainage flooding, and staying safe during cloudbursts and monsoon downpours.

Open Extreme Rain & Flash Flood Safety →

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.