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Thunderstorms and lightning

Aviso de Tempestade. Severidade Grau: Perigo Potencial

Reported by INMET Brazil weather alerts

INMET issued a potential-danger storm alert affecting areas in Santa Catarina, Rio Grande do Sul, Paraná, and Mato Grosso do Sul, from 15:00 to 23:59 on October 21, 2026. The source reports rain of 20–30 mm per hour or up to 50 mm per day, winds of 40–60 km/h, and hail.

At a glance

  • Affected location: Sul and Centro-Oeste, Brazil
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Why it matters

The alert specifies a same-day storm period across multiple named areas in four Brazilian states.

Location

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Generated scores

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

Confidence
7/10
Geographic reach
5/10
Global importance
3/10
Impact magnitude
4/10
Urgency
6/10

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