Category: Heat waves affecting Brazil

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 8 days

Time span: April 14 2025 to April 21 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.9 °C
• Mean temperature: 27.9 °C
• Maximum temperature anomaly: 3.0 °C
• Maximum temperature: 29.2 °C

Event center: -8.0°S 315.5°E

Area affected: 67332 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Apr-14_to_2025-Apr-21_315.5_-8.0

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 5 days

Time span: April 09 2025 to April 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 26.6 °C
• Maximum temperature anomaly: 2.5 °C
• Maximum temperature: 27.4 °C

Event center: -6.0°S 305.5°E

Area affected: 92290 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Apr-09_to_2025-Apr-13_305.5_-6.0

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 4 days

Time span: April 01 2025 to April 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.7 °C
• Mean temperature: 26.7 °C
• Maximum temperature anomaly: 2.7 °C
• Maximum temperature: 27.9 °C

Event center: -6.0°S 307.0°E

Area affected: 58383 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Apr-01_to_2025-Apr-04_307.0_-6.0

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 8 days

Time span: March 29 2025 to April 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.9 °C
• Mean temperature: 26.5 °C
• Maximum temperature anomaly: 3.0 °C
• Maximum temperature: 29.4 °C

Event center: -17.5°S 313.0°E

Area affected: 80121 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Mar-29_to_2025-Apr-05_313.0_-17.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 8 days

Time span: March 27 2025 to April 03 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.2 °C
• Mean temperature: 27.7 °C
• Maximum temperature anomaly: 1.8 °C
• Maximum temperature: 28.2 °C

Event center: -1.5°S 315.5°E

Area affected: 311597 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Mar-27_to_2025-Apr-03_315.5_-1.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 18 days

Time span: March 25 2025 to April 11 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.3 °C
• Mean temperature: 28.1 °C
• Maximum temperature anomaly: 4.6 °C
• Maximum temperature: 32.1 °C

Event center: -11.0°S 317.5°E

Area affected: 394057 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Mar-25_to_2025-Apr-11_317.5_-11.0

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 13 days

Time span: March 25 2025 to April 06 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.4 °C
• Mean temperature: 22.3 °C
• Maximum temperature anomaly: 6.6 °C
• Maximum temperature: 28.4 °C

Event center: -22.5°S 319.0°E

Area affected: 3517617 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Mar-25_to_2025-Apr-06_319.0_-22.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Brazil

Duration: 7 days

Time span: March 24 2025 to March 30 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.5 °C
• Mean temperature: 27.9 °C
• Maximum temperature anomaly: 4.2 °C
• Maximum temperature: 29.7 °C

Event center: -22.0°S 308.0°E

Area affected: 81203 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Mar-24_to_2025-Mar-30_308.0_-22.0