First published Oct 19, 2026, 12:12:16 PM UTC · Last updated Oct 19, 2026, 12:12:30 PM UTC

Heavy rain

INMET issues potential-danger heavy-rain warning across six Brazilian states

An official INMET alert is in effect on 21 October 2026 across areas of Acre, Rondônia, Amazonas, Mato Grosso, Roraima and Pará. It reports rain of 20–30 mm/hour or up to 50 mm/day, winds of 40–60 km/h, and low risk of power outages, falling branches, flooding and lightning.

At a glance

Affected location: Acre, Rondônia, Amazonas, Mato Grosso, Roraima and Pará, Brazil

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Why it matters

The warning covers multiple areas across Brazil’s Norte and Centro-Oeste regions and specifies the hazards and potential impacts.

Location

Highlighted marker: this event.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 5/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

INMET Brazil weather alerts Aviso de Chuvas Intensas. Severidade Grau: Perigo Potencial

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