• On Thursday, December 25, the National Institute of Meteorology (Inmet) placed 169 cities in Paraná under an orange alert due to a heatwave.
  • This warning level indicates 'danger' as temperatures are 5°C above the historical average, posing risks to residents' health.
  • Cities such as Londrina and Maringá are expected to reach highs of 33°C, while Paranavaí and Jacarezinho may see 34°C.
  • The alert is valid until 6:00 PM on Friday, December 26.

Quick Summary

A severe heatwave has gripped the state of Paraná, prompting the National Institute of Meteorology (Inmet) to issue an orange alert for 169 municipalities. Issued on Thursday, December 25, the alert signifies 'danger' due to temperatures rising 5°C above the historical average, creating health risks for the population.

The warning remains in effect until 6:00 PM on Friday, December 26. During this period, several cities are recording high temperatures, with Londrina and Maringá expected to hit 33°C, and Paranavaí and Jacarezinho reaching 34°C. Residents are urged to contact Civil Defense in case of emergencies.

While the state faces extreme heat, the State Environmental Technology and Monitoring System (Simepar) also forecasts instability. Meteorologist Paulo Barbieri indicated that thunderstorms are likely in the west and southwest regions, with expected rainfall accumulation in cities like Pato Branco. Furthermore, yellow storm alerts cover the northern, northwestern, central, and southern regions until Friday morning.

Heatwave Intensity and Risks

The National Institute of Meteorology (Inmet) has classified the current weather situation in Paraná as critical. The orange alert, which is the second level in the warning system, indicates a direct threat to public health. The primary concern is the temperature deviation, which stands at 5°C above the historical average for the region.

Specific temperature forecasts for Thursday include:

  • 33°C in Londrina and Maringá
  • 34°C in Paranavaí and Jacarezinho

The alert is scheduled to remain active until 18:00 on Friday, December 26. Authorities have emphasized that this weather event requires caution, particularly for vulnerable populations. The guidance issued to the public is to seek the assistance of the Defesa Civil (Civil Defense) in cases of emergency or weather-related incidents.

The alert means that the temperature is 5°C above the average and this offers a risk to the health of the residents.
— Inmet

Forecast for Rain and Thunderstorms

Despite the intense heat, the Sistema de Tecnologia e Monitoramento Ambiental do Paraná (Simepar) has forecasted precipitation for the holiday. According to meteorologist Paulo Barbieri, the state should expect scattered rain showers accompanied by thunderstorms.

The regions with the highest probability of rain are the west and southwest of the state. Specific rainfall projections include:

  • Pato Branco: 11 mm
  • União da Vitória: 4.1 mm
  • Foz do Iguaçu: 3.2 mm

Furthermore, Simepar reported that a new area of instability advanced over the state during the early hours of Thursday morning. This system brought thunderstorms to the northwest region. Meteorologist Bianca Pinheiro de Angelo confirmed the occurrence of lightning and rain showers in that area.

Statewide Storm Alerts

In addition to the heatwave warnings, the National Institute of Meteorology (Inmet) has issued yellow alerts for storms across multiple regions of Paraná. The yellow alert signifies a 'potential danger' regarding weather instability.

These storm warnings are currently active for the following regions:

  • North
  • Northwest
  • Central
  • South

The yellow alert for potential storms is set to expire at 10:00 AM on Friday, December 26. This dual threat of extreme heat and potential electrical storms requires residents to remain vigilant regarding changing weather conditions throughout the holiday period.

"Natal in Paraná should also register rain showers with thunderstorms."

— Paulo Barbieri, Meteorologist

Frequently Asked Questions

What is the current weather alert level in Paraná?

The National Institute of Meteorology has issued an orange alert for 169 cities in Paraná, indicating 'danger' due to a heatwave with temperatures 5°C above average.

How long will the heatwave alert last?

The orange alert is valid until 6:00 PM on Friday, December 26.

Are there storm warnings in addition to the heatwave?

Yes, yellow storm alerts are active for the northern, northwestern, central, and southern regions of the state until 10:00 AM on Friday.