Extreme Heatwave ● Closed

Aviso de Onda de Calor. Severidade Grau: Extreme, Brazil

Event time: Sep 28, 2026 16:16 UTC Last updated: Oct 7, 2026 Brazil

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

INMET publica aviso iniciando em: 28/09/2026 14:00. Risco à saúde. Temperatura 5ºC acima da média por período maior do que 5 dias.

Measurements

Coordinates	-20.1215, -47.2871
Region	Aviso para as áreas: Triângulo Mineiro/Alto Paranaíba, Central Mineira, Zona da Mata, Vale do Rio Doce, Presidente Prudente, São José do Rio Preto, Campina
Location Precision	polygon
Issuing Authority	Brazil — br-inmet-pt
Cap Urgency	Future
Cap Certainty	Likely
Cap Expires	2026-09-30T18:00:00-03:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 21 days ago (Sep 28, 2026 16:16 UTC) · we last heard from WMO Alert Hub (national weather services) 33 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

Official authorities in Brazil

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

CEMADEN — National Centre for Natural Disaster Monitoring

More for Brazil →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Recognising heat exhaustion and heat stroke, keeping cool, and protecting vulnerable people during extreme heat.

Open Heatwave Safety Guide →

Nearby & related events

Active Fire Zone — 46 satellite detections (24h) Moderate Wildfire Brazil monitoring via FIRMS 2 days ago Aviso de Tempestade. Severidade Grau: Severe, Brazil Severe Severe Storm Brazil monitoring via WMO 3 days ago Aviso de Tempestade. Severidade Grau: Severe, Brazil Severe Severe Storm Brazil monitoring via WMO 4 days ago Aviso de Tempestade. Severidade Grau: Severe, Brazil Severe Severe Storm Brazil monitoring via WMO 5 days ago Active Fire Zone — 33 satellite detections (24h) Moderate Wildfire monitoring via FIRMS 6 days ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.