Calamity
MediumFloodsCS: 39 · v5

Floods near Mogadishu

SomaliaGDACS

Right now

The most recent data we hold from GDACS arrived 2 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

Nothing else has been detected within 20 km in the last 24 hours.

Reported by GDACS today.

It is the only one we have recorded within 20 km of this point since 19 September 2026.

What the source measured

GDACS reported: On 16/09/2026, a flood started in Somalia, lasting until 18/09/2026 (last update). The flood caused 0 deaths and 0 displaced . · Severity: Magnitude 0 · Pop. affected: 0 deaths

Urban PEI: 2,652,644 within a heuristic 50 km radius; not unique people.

How we know

2 recorded sources include GDACS; independence is not established by this count.

Our own score for this event is 39 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeFloods
SeverityMedium
Calamity Score (ours)39 / 100
Legacy data-support index0.80/1
Coordinates2.0268, 45.3012
Nearest CityMogadishu (5 km)
Urban exposure index (PEI)2.7M within 50 km
Impact Tiersignificant
Timestamp2026-09-19T07:05:15.198Z
Sourcehttps://www.gdacs.org/report.aspx?eventtype=FL&eventid=1104170

Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: gdacs. Occurrence: 2026-09-19T07:05:15.198Z.

First archived: 2026-09-18T18:03:13.301Z. Material modification: 2026-09-19T07:07:46.018Z.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

  1. 2026-09-19T07:07:46.018Z · data_change

    Index 3939; severity mediummedium; version 55.

  2. 2026-09-19T03:01:10.264Z · data_change

    Index 3939; severity mediummedium; version 55.

Score Breakdown

20
intensity
100
Urban PEI term
0
Scenario weight
10
Recorded reference / batch anomaly

Technical Details

EventTypeFL
AlertLevelGreen
CountrySomalia
Population0 deaths
FromRSStrue
Google News RssFeedflood
Google News SourceNameThe EastAfrican
MergedSources[{"id":"gnews_flood_497156_54","source":"google_news","severity":"medium","severityValue":40,"timestamp":1789762168000,"latitude":2.04,"longitude":45.34},{"id":"gnews_flood_497145_61","source":"google_news","severity":"medium","severityValue":40,"timestamp":1789723800000,"latitude":2.04,"longitude":45.34}]

Safety Information

During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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