Heat wave occuring from May 02 2025 to May 12 2025 at -35.0°S 309.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 11 days

Time span: May 02 2025 to May 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 22.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 26.8 °C

Event center: -35.0°S 309.5°E

Area affected: 2618431 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-May-02_to_2025-May-12_309.5_-35.0

Heat wave occuring from March 17 2025 to March 23 2025 at -33.5°S 293.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Uruguay

Duration: 7 days

Time span: March 17 2025 to March 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 24.7 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 31.0 °C

Event center: -33.5°S 293.0°E

Area affected: 475160 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-17_to_2025-Mar-23_293.0_-33.5

Heat wave occuring from January 04 2025 to March 17 2025 at -28.0°S 300.5°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
  • Chile
  • Paraguay
  • Peru
  • Uruguay

Duration: 73 days

Time span: January 04 2025 to March 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 13.2 °C
  • Maximum temperature: 38.7 °C

Event center: -28.0°S 300.5°E

Area affected: 16681204 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-Jan-04_to_2025-Mar-17_300.5_-28.0

Heat wave occuring from November 14 2024 to November 21 2024 at -23.5°S 307.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 8 days

Time span: November 14 2024 to November 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 21.4 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 31.3 °C

Event center: -23.5°S 307.5°E

Area affected: 1929733 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_2024-Nov-14_to_2024-Nov-21_307.5_-23.5

Heat wave occuring from October 26 2024 to November 16 2024 at -38.5°S 305.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Chile
  • Uruguay

Duration: 22 days

Time span: October 26 2024 to November 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 18.8 °C
  • Maximum temperature anomaly: 12.4 °C
  • Maximum temperature: 31.8 °C

Event center: -38.5°S 305.5°E

Area affected: 7442810 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_2024-Oct-26_to_2024-Nov-16_305.5_-38.5

Heat wave occuring from July 23 2024 to July 27 2024 at -30.5°S 308.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • Uruguay

Duration: 5 days

Time span: July 23 2024 to July 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 18.8 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 20.8 °C

Event center: -30.5°S 308.0°E

Area affected: 125287 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_2024-Jul-23_to_2024-Jul-27_308.0_-30.5

Heat wave occuring from April 20 2024 to April 23 2024 at -32.5°S 300.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Uruguay

Duration: 4 days

Time span: April 20 2024 to April 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 21.7 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 23.5 °C

Event center: -32.5°S 300.5°E

Area affected: 146743 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_2024-Apr-20_to_2024-Apr-23_300.5_-32.5

Heat wave occuring from July 19 2023 to July 28 2023 at -44.0°S 304.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 10 days

Time span: July 19 2023 to July 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 15.6 °C
  • Maximum temperature anomaly: 13.0 °C
  • Maximum temperature: 28.4 °C

Event center: -44.0°S 304.5°E

Area affected: 3294567 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_2023-Jul-19_to_2023-Jul-28_304.5_-44.0

Heat wave occuring from April 27 2023 to April 30 2023 at -35.5°S 298.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Uruguay

Duration: 4 days

Time span: April 27 2023 to April 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 19.8 °C
  • Maximum temperature anomaly: 8.5 °C
  • Maximum temperature: 22.9 °C

Event center: -35.5°S 298.5°E

Area affected: 262643 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_2023-Apr-27_to_2023-Apr-30_298.5_-35.5

Heat wave occuring from March 23 2023 to March 26 2023 at -35.5°S 313.0°E

Download data: JSON

Event type: Heat wave

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

  • Uruguay

Duration: 4 days

Time span: March 23 2023 to March 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 24.3 °C

Event center: -35.5°S 313.0°E

Area affected: 187834 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_2023-Mar-23_to_2023-Mar-26_313.0_-35.5