El Niño Observatory › Monitored cities › Blumenau
El Niño in BlumenauSC · Brazil
Current El Niño risk
Attention level: HighCritical · Flooding / extreme rain2 day(s) with heavy rain in a flood-prone zoneBlumenau is inside the projected impact zone Southern Brazil, Uruguay & NE Argentina.
A strengthened subtropical jet brings persistent extreme rainfall. The 2023-24 Rio Grande do Sul floods are the canonical signature.
Next 14 days in Blumenau
3 of the next 14 days show a 60%+ chance of rain; 2 with heavy rain.
% is the chance of rain that day. mm is the expected amount.
Areas with flood history in Blumenau
- Centro: Low-lying downtown area repeatedly hit by river floods and inundation
- Garcia: Frequently affected in flood records and vulnerable valley drainage
- Progresso: High recurrence in flood-affected area statistics
- Itoupava Norte: Documented as flood-affected during major city floods
- Itoupava Central: Partly subject to flooding near the Itajaí-Açu river
- Rua XV de Novembro: Multiple points along the street were flooded in major rain events
AI-generated list using web search (Perplexity Sonar) from news and public sources. Use as a starting reference, not an official risk map.
What you should do
- Learn your neighborhood's flood-prone streets and the fastest route to higher ground.
- Never walk or drive through floodwater: 15 cm of moving water can knock you down.
- Keep documents, medication and chargers in a waterproof bag, ready to grab.
- Sign up for your city's official rain/flood alerts (SMS or app) today.
- Always follow your national meteorological service and local civil defense. Their warnings override anything on this page.
Emergency numbers
Numbers are national defaults; some regions use local variants. Confirm with local authorities.
Get alerts for your city
We watch the data so you don't have to. Get an email when a flood signal or a major El Niño change affects your area.
Frequently asked questions
Is Blumenau affected by El Niño?
Yes. Blumenau sits in the documented impact zone Southern Brazil, Uruguay & NE Argentina: A strengthened subtropical jet brings persistent extreme rainfall. The 2023-24 Rio Grande do Sul floods are the canonical signature.
Will it rain in Blumenau in the coming days?
The current 14-day forecast shows 3 days with a 60%+ chance of rain and 2 days with heavy rain. Probabilities update every 6 hours.
What should residents of Blumenau do?
Learn your neighborhood's flood-prone streets and the fastest route to higher ground. Never walk or drive through floodwater: 15 cm of moving water can knock you down. Always follow your national meteorological service and local civil defense. Their warnings override anything on this page.
Other cities in Brazil
AracajuBalneário CamboriúBelémBelo HorizonteBoa VistaBrasíliaCampo GrandeCascavelCaxias do SulChapecó
Data refreshes every 6 hours. Forecast: Open-Meteo. Zone risk: NOAA data and documented El Niño patterns.