Category: Heat waves affecting Brazil

Heat wave occuring from February 22 2026 to February 24 2026 at 3.5°N 310.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 3 days

Time span: February 22 2026 to February 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 1.0 °C
  • Maximum temperature: 26.9 °C

Event center: 3.5°N 310.0°E

Area affected: 64784 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_2026-Feb-22_to_2026-Feb-24_310.0_3.5

Heat wave occuring from February 17 2026 to February 21 2026 at -12.0°S 298.5°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia, Plurinational State of
  • Brazil

Duration: 5 days

Time span: February 17 2026 to February 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 29.1 °C

Event center: -12.0°S 298.5°E

Area affected: 154230 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_2026-Feb-17_to_2026-Feb-21_298.5_-12.0

Heat wave occuring from February 17 2026 to February 21 2026 at -12.0°S 303.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: February 17 2026 to February 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 27.1 °C

Event center: -12.0°S 303.0°E

Area affected: 60420 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_2026-Feb-17_to_2026-Feb-21_303.0_-12.0

Heat wave occuring from February 13 2026 to February 23 2026 at -20.5°S 293.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Paraguay

Duration: 11 days

Time span: February 13 2026 to February 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 9.7 °C
  • Maximum temperature: 36.4 °C

Event center: -20.5°S 293.5°E

Area affected: 1757943 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_2026-Feb-13_to_2026-Feb-23_293.5_-20.5

Heat wave occuring from February 11 2026 to February 13 2026 at -27.0°S 309.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 3 days

Time span: February 11 2026 to February 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 24.5 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 28.0 °C

Event center: -27.0°S 309.0°E

Area affected: 76791 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_2026-Feb-11_to_2026-Feb-13_309.0_-27.0

Heat wave occuring from February 10 2026 to February 12 2026 at -29.5°S 303.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil

Duration: 3 days

Time span: February 10 2026 to February 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 31.0 °C

Event center: -29.5°S 303.5°E

Area affected: 56200 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_2026-Feb-10_to_2026-Feb-12_303.5_-29.5

Heat wave occuring from February 10 2026 to February 18 2026 at 5.0°N 312.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 9 days

Time span: February 10 2026 to February 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 27.2 °C

Event center: 5.0°N 312.5°E

Area affected: 157337 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_2026-Feb-10_to_2026-Feb-18_312.5_5.0

Heat wave occuring from February 02 2026 to February 07 2026 at -33.0°S 302.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 6 days

Time span: February 02 2026 to February 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 33.0 °C

Event center: -33.0°S 302.0°E

Area affected: 312421 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_2026-Feb-02_to_2026-Feb-07_302.0_-33.0

Heat wave occuring from February 01 2026 to February 05 2026 at 2.5°N 292.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • Colombia
  • Venezuela, Bolivarian Republic of

Duration: 5 days

Time span: February 01 2026 to February 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 28.8 °C

Event center: 2.5°N 292.0°E

Area affected: 117335 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_2026-Feb-01_to_2026-Feb-05_292.0_2.5

Heat wave occuring from January 31 2026 to February 06 2026 at -18.5°S 320.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 7 days

Time span: January 31 2026 to February 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 30.0 °C

Event center: -18.5°S 320.5°E

Area affected: 253629 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_2026-Jan-31_to_2026-Feb-06_320.5_-18.5