Reports

Summary

Severe cyclone + flood conditions affecting Ambohidratrimo District; population and critical infrastructure at risk over the next 48 hours.

Situation

Current: river level 6.1m (Severe threshold 6.0m). Expected: cyclone track forecast shows continued rainfall through 2026-07-23, GloFAS 3-day forecast projects a further 0.4m rise.

Findings

38,400 people, 1 hospital, 4 schools and 2 bridges within the affected area; ~620 ha rice crop area at risk.

Recommendations

Households in low-lying zones should relocate to designated shelters. This is a decision-support update, not an official government evacuation order.

Sources

GloFAS flood levels (hourly, ref. 2026-07-21) · Regional cyclone outlook feed (6h cadence, ref. 2026-07-21) · INFORM Risk Index (2026-05-01).

Export & reproducibility

Data snapshot: 2026-07-21 09:00 · Regenerate from this snapshot

Severity wording matches the dashboard legend exactly (single-sourced terminology).

Recommended citation: MHEWS Flash Report, Ambohidratrimo District, 2026-07-21.

Related reports

Weekly report	Analamanga	2026-07-20	Open
Flash report	Ambohidratrimo	2026-06-30	Open

Review status: Pending Review

Dissemination is blocked until this report's status is Approved.

Review history preserved

2026-07-20	Rejected	“Add crop-loss figure to Findings”
2026-07-21	Resubmitted	Findings updated per comment