Flooding and landslide risk today in Brazilian capitals
The i4sea Weather Index shows, from 0 to 100, the chance that rain in the next 24 hours causes flooding or a landslide in each Brazilian state capital. A risk index for your daily decisions.
- Capitals
- 21
- Risks
- Flooding and landslide
- Horizon
- 24 hours
How to read the number
- 0 to 24 Low
- Damage unlikely.
- 25 to 49 Moderate
- There may be damage in isolated spots.
- 50 to 74 High
- Damage likely in several parts of the city.
- 75 to 100 Very high
- Damage very likely. 100 means damage is almost certain.
The capitals now
| Capital | Flooding | Landslide |
|---|---|---|
| São Paulo | 0, Low | 54, High |
| Palmas | 49, Moderate | 0, Low |
| Brasília | 48, Moderate | 0, Low |
| Goiânia | 37, Moderate | 0, Low |
| Belém | 18, Low | 0, Low |
| Vitória | 0, Low | 14, Low |
| Aracaju | 12, Low | 0, Low |
| Salvador | 11, Low | 0, Low |
| Maceió | 3, Low | 0, Low |
| Recife | 2, Low | 0, Low |
| Natal | 2, Low | 0, Low |
| João Pessoa | 1, Low | 0, Low |
| Curitiba | 0, Low | 1, Low |
| Macapá | 0, Low | 0, Low |
| Fortaleza | 0, Low | 0, Low |
| São Luís | 0, Low | 0, Low |
| Belo Horizonte | 0, Low | 0, Low |
| Teresina | 0, Low | 0, Low |
| Rio de Janeiro | 0, Low | 0, Low |
| Porto Alegre | 0, Low | 0, Low |
| Florianópolis | 0, Low | 0, Low |
What to do at each level
| Level | Flooding | Landslide |
|---|---|---|
| Low | Normal day. Nothing expected. | Normal day. Nothing expected. |
| Moderate | Check the worst time of the rain and leave before or after it. Large puddles and slow traffic in the spots that often flood. | If you live on a hillside, look for new cracks in walls and on the floor. The soil starts to get soaked. Earth may fall from slopes. |
| High | Leave well ahead of time, or stay where you are until the rain passes. Park your car on high ground, away from low streets. Flooded streets in several neighborhoods, traffic at a standstill, buses and subway delayed, cars may get stuck. | If you live on a hillside, leave at the first sign: a new crack, a door that sticks, a cracking sound or muddy water. Avoid mountain roads. Landslides are possible on hillsides. Streets and mountain roads may be blocked. |
| Very high | Avoid going out that day. If you live near a stream, move to high ground before the rain. Widespread flooding, streets closed for hours, water may get into homes and shops, danger to life near streams. | If you live on a hillside, move to a safe place before the rain. Avoid mountain roads that day. Landslides are likely. Hillside homes may be hit, with danger to life. |
Flooding
- Low
- Normal day.Nothing expected.
- Moderate
- Check the worst time of the rain and leave before or after it.Large puddles and slow traffic in the spots that often flood.
- High
- Leave well ahead of time, or stay where you are until the rain passes. Park your car on high ground, away from low streets.Flooded streets in several neighborhoods, traffic at a standstill, buses and subway delayed, cars may get stuck.
- Very high
- Avoid going out that day. If you live near a stream, move to high ground before the rain.Widespread flooding, streets closed for hours, water may get into homes and shops, danger to life near streams.
Landslide
- Low
- Normal day.Nothing expected.
- Moderate
- If you live on a hillside, look for new cracks in walls and on the floor.The soil starts to get soaked. Earth may fall from slopes.
- High
- If you live on a hillside, leave at the first sign: a new crack, a door that sticks, a cracking sound or muddy water. Avoid mountain roads.Landslides are possible on hillsides. Streets and mountain roads may be blocked.
- Very high
- If you live on a hillside, move to a safe place before the rain. Avoid mountain roads that day.Landslides are likely. Hillside homes may be hit, with danger to life.
Emergency numbers in Brazil: Civil Defense 199, Fire Department 193, Ambulance (SAMU) 192.
Questions we hear about i4sea Weather Index
A weather risk index from 0 to 100. It shows the chance that rain in the next 24 hours causes flooding or a landslide in each Brazilian state capital, and what to do. It combines the i4sea weather forecast with the terrain of each neighborhood and the places that have flooded before.
Read the impact and what to do just below the number. The closer to 100, the more certain the damage.
With every new run of the i4sea weather forecast. The page shows the time of the forecast.
Join the i4sea channel on WhatsApp. For your company’s address, ask for a diagnostic.
Yes. Quote it like this: "Source: i4sea Weather Index", with the forecast date and a link to this page.
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