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Verified WorldsAid record

New Rio Grande do Sul storm episode affects 54,065 across 128 municipalities

Severe Storms

Severity score34 / 100 · Moderate

How the score is calculated

The score starts at 8. It adds points from recorded affected, deaths, displaced and casualty counts, plus terms found in the story title, event type or status. For each count, only its highest matching band is used.

Affected people
1–999: +5 · 1,000–9,999: +12 · 10,000–99,999: +20 · 100,000–999,999: +28 · 1 million+: +35
Deaths
1–9: +8 · 10–99: +14 · 100–999: +22 · 1,000+: +30
Displaced people
1–9,999: +6 · 10,000–99,999: +12 · 100,000+: +18
Casualties
100 or more: +8
Story wording
+10 for terms such as catastrophe, famine, war, conflict, major earthquake, mass casualty or critical. Otherwise, +5 for active, ongoing, emergency, outbreak, cyclone or hurricane.

Score bands: Watch 0–24 · Moderate 25–49 · High 50–74 · Critical 75–100. Scores are capped at 100. Missing or unparseable figures add no points.

This is a rule-based WorldsAid triage indicator, not an official or independently validated classification. It does not account for recency or local context, and it can understate events with incomplete reporting. Check the linked sources.

Last verified29 Sept 2026
Date
Status
4 INJURED · 54,065 AFFECTED · 6,298 DISPLACED · 8,181 HOUSES DAMAGED · NO DEATHS REPORTED
Aid Zone
SOUTH AMERICA
Countries
Brazil
Agency
Rio Grande do Sul Civil Defence / Rio Grande do Sul State Government

In brief

  • What happenedA separate spell of adverse weather began in Rio Grande do Sul on 25 September, distinct from the 20–24 September storm record 1868.
  • Reported impactAffected persons: 54,065 · Displaced persons: 6,298 · Displaced from homes: 6,298 · 29 September 2026
  • What help is neededResponse priorities should be confirmed in the linked source reports as needs change.

What changed

Updated verified snapshot

This record was first dated 2026-09-25 and last verified 2026-09-29.

Situation

A separate spell of adverse weather began in Rio Grande do Sul on 25 September, distinct from the 20–24 September storm record 1868. The state Civil Defence balance updated through 17:00 on 29 September reports 54,065 people affected, 6,298 displaced from their homes and four injured across 128 municipalities. It records 8,181 houses damaged, including 171 unroofed and 46 flooded, and no deaths or missing people for this episode. The state-wide figure is preliminary as municipalities continue sending assessments. The map marker is an approximate state-centroid context, not a specific impact-site coordinate.

WorldsAid verification

A WorldsAid editor reviewed this record against 1 attributed source, cleaned feed formatting and checked the crisis, place and reporting date. 9 human-impact figures were separated from the narrative and dated where the source allowed. Earlier observations remain in the evidence history instead of being silently overwritten.

Verified figures

Affected persons
54,065 retained at 2026-09-29
Displaced persons
6,298 retained at 2026-09-29
Displaced from homes
6,298 · 29 September 2026 retained at 2026-09-29
Injured
4 · 29 September 2026 retained at 2026-09-29
Deaths
0 reported for this episode · 29 September 2026 retained at 2026-09-29
Houses damaged
8,181 · 29 September 2026 retained at 2026-09-29
Houses unroofed
171 · 29 September 2026 retained at 2026-09-29
Houses flooded
46 · 29 September 2026 retained at 2026-09-29
Municipalities with occurrences
128 · 146 occurrences, 29 September 2026 retained at 2026-09-29

What we knew when

  1. WorldsAid record entered the retained historical dataset.
  2. State Civil Defence preliminary episode balance, beginning 25 September, kept separate from the 20–24 September event recorded as 1868. preserved as a dated, source-linked observation. Source

Earlier figures are never replaced by later values; additional observations are retained as new ledger entries.

Provenance

This page renders the last verified WorldsAid cache directly in HTML. It does not treat generated summaries as primary evidence.

Cached dataset: worldsai_drup771.sql.gz

Record integrity:
VerifiedSHA-256 31b7de860cc7c654ed4c4a79715f6a451205af6e73c82573edc8f8f50d07f3ba

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