Category: Extremes affecting Chile

Cold spell occuring from April 28 2025 to May 08 2025 at -28.0°S 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 11 days

Time span: April 28 2025 to May 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 14.6 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 11.8 °C

Event center: -28.0°S 289.0°E

Area affected: 77006 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-28_to_2025-May-08_289.0_-28.0

Cold spell occuring from April 01 2025 to April 23 2025 at -27.5°S 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 23 days

Time span: April 01 2025 to April 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 15.2 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 12.1 °C

Event center: -27.5°S 289.0°E

Area affected: 112396 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-01_to_2025-Apr-23_289.0_-27.5

Heat wave occuring from March 31 2025 to April 15 2025 at -75.5°S 282.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Chile

Duration: 16 days

Time span: March 31 2025 to April 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: -6.5 °C
  • Maximum temperature anomaly: 23.1 °C
  • Maximum temperature: 15.6 °C

Event center: -75.5°S 282.5°E

Area affected: 5218903 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-31_to_2025-Apr-15_282.5_-75.5

Cold spell occuring from March 30 2025 to April 03 2025 at -36.5°S 289.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 5 days

Time span: March 30 2025 to April 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 6.4 °C
  • Minimum temperature anomaly: -13.2 °C
  • Minimum temperature: -10.3 °C

Event center: -36.5°S 289.5°E

Area affected: 155333 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-30_to_2025-Apr-03_289.5_-36.5

Cold spell occuring from March 29 2025 to April 05 2025 at -54.5°S 289.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 8 days

Time span: March 29 2025 to April 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 3.2 °C
  • Minimum temperature anomaly: -10.3 °C
  • Minimum temperature: -6.4 °C

Event center: -54.5°S 289.5°E

Area affected: 1313351 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-29_to_2025-Apr-05_289.5_-54.5

Heat wave occuring from March 23 2025 to March 27 2025 at -47.0°S 290.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 5 days

Time span: March 23 2025 to March 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: 13.5 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 21.4 °C

Event center: -47.0°S 290.0°E

Area affected: 216832 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-23_to_2025-Mar-27_290.0_-47.0

Cold spell occuring from March 23 2025 to March 28 2025 at -36.5°S 290.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 6 days

Time span: March 23 2025 to March 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: 10.2 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -5.5 °C

Event center: -36.5°S 290.0°E

Area affected: 385636 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-23_to_2025-Mar-28_290.0_-36.5

Heat wave occuring from March 18 2025 to March 21 2025 at -37.0°S 287.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 4 days

Time span: March 18 2025 to March 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 16.2 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 20.8 °C

Event center: -37.0°S 287.0°E

Area affected: 74180 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-18_to_2025-Mar-21_287.0_-37.0

Cold spell occuring from March 18 2025 to May 01 2025 at -16.5°S 286.5°E

Download data: JSON

Event type: Cold spell

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

  • Chile
  • Peru

Duration: 45 days

Time span: March 18 2025 to May 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 18.3 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 12.2 °C

Event center: -16.5°S 286.5°E

Area affected: 142903 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-18_to_2025-May-01_286.5_-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