Cold spell occuring from April 04 2025 to April 09 2025 at -24.5°S 299.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Paraguay

Duration: 6 days

Time span: April 04 2025 to April 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: 14.8 °C

Event center: -24.5°S 299.0°E

Area affected: 229636 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: Cold_spell_2025-Apr-04_to_2025-Apr-09_299.0_-24.5

Heat wave occuring from March 19 2025 to March 23 2025 at -16.5°S 303.5°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: March 19 2025 to March 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 30.2 °C

Event center: -16.5°S 303.5°E

Area affected: 91463 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-19_to_2025-Mar-23_303.5_-16.5

Heat wave occuring from March 15 2025 to April 01 2025 at -13.0°S 287.5°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Peru

Duration: 18 days

Time span: March 15 2025 to April 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 22.9 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 29.7 °C

Event center: -13.0°S 287.5°E

Area affected: 2141884 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-15_to_2025-Apr-01_287.5_-13.0

Cold spell occuring from March 11 2025 to March 16 2025 at -23.5°S 294.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of

Duration: 6 days

Time span: March 11 2025 to March 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 12.7 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 1.7 °C

Event center: -23.5°S 294.0°E

Area affected: 95345 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: Cold_spell_2025-Mar-11_to_2025-Mar-16_294.0_-23.5

Cold spell occuring from March 09 2025 to March 14 2025 at -18.5°S 295.0°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia, Plurinational State of

Duration: 6 days

Time span: March 09 2025 to March 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 14.8 °C

Event center: -18.5°S 295.0°E

Area affected: 97696 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: Cold_spell_2025-Mar-09_to_2025-Mar-14_295.0_-18.5

Heat wave occuring from January 27 2025 to January 29 2025 at -13.5°S 294.0°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia, Plurinational State of

Duration: 3 days

Time span: January 27 2025 to January 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 29.6 °C

Event center: -13.5°S 294.0°E

Area affected: 50823 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-27_to_2025-Jan-29_294.0_-13.5

Heat wave occuring from January 24 2025 to February 02 2025 at -13.0°S 288.5°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia, Plurinational State of
  • Peru

Duration: 10 days

Time span: January 24 2025 to February 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 29.1 °C

Event center: -13.0°S 288.5°E

Area affected: 69274 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-24_to_2025-Feb-02_288.5_-13.0

Heat wave occuring from January 22 2025 to January 29 2025 at -20.5°S 302.0°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: 8 days

Time span: January 22 2025 to January 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 32.6 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 35.2 °C

Event center: -20.5°S 302.0°E

Area affected: 225628 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-22_to_2025-Jan-29_302.0_-20.5

Cold spell occuring from January 19 2025 to January 23 2025 at -11.0°S 294.5°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia, Plurinational State of
  • Brazil

Duration: 5 days

Time span: January 19 2025 to January 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.2 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 22.7 °C

Event center: -11.0°S 294.5°E

Area affected: 149652 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: Cold_spell_2025-Jan-19_to_2025-Jan-23_294.5_-11.0

Cold spell occuring from January 13 2025 to January 16 2025 at -21.0°S 291.5°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia, Plurinational State of
  • Chile

Duration: 4 days

Time span: January 13 2025 to January 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 7.3 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 2.4 °C

Event center: -21.0°S 291.5°E

Area affected: 60992 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: Cold_spell_2025-Jan-13_to_2025-Jan-16_291.5_-21.0