Category: Extremes affecting Chile

Cold spell occuring from March 14 2025 to March 19 2025 at -37.5°S 286.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 6 days

Time span: March 14 2025 to March 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 13.5 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 11.3 °C

Event center: -37.5°S 286.0°E

Area affected: 76701 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-14_to_2025-Mar-19_286.0_-37.5

Cold spell occuring from February 25 2025 to February 27 2025 at -46.5°S 282.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 3 days

Time span: February 25 2025 to February 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 9.7 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 8.1 °C

Event center: -46.5°S 282.0°E

Area affected: 147020 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-Feb-25_to_2025-Feb-27_282.0_-46.5

Heat wave occuring from February 21 2025 to February 24 2025 at -37.5°S 285.0°E

Download data: JSON

Event type: Heat wave

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

  • Chile

Duration: 4 days

Time span: February 21 2025 to February 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 19.3 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 21.3 °C

Event center: -37.5°S 285.0°E

Area affected: 286086 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-Feb-21_to_2025-Feb-24_285.0_-37.5

Cold spell occuring from February 11 2025 to February 27 2025 at -29.0°S 288.5°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 17 days

Time span: February 11 2025 to February 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 14.9 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 11.7 °C

Event center: -29.0°S 288.5°E

Area affected: 218967 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-Feb-11_to_2025-Feb-27_288.5_-29.0

Heat wave occuring from January 28 2025 to January 30 2025 at -43.5°S 283.5°E

Download data: JSON

Event type: Heat wave

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

  • Chile

Duration: 3 days

Time span: January 28 2025 to January 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 15.8 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 17.2 °C

Event center: -43.5°S 283.5°E

Area affected: 82561 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-28_to_2025-Jan-30_283.5_-43.5

Cold spell occuring from January 19 2025 to February 04 2025 at -29.0°S 288.5°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 17 days

Time span: January 19 2025 to February 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 15.1 °C

Event center: -29.0°S 288.5°E

Area affected: 54104 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-Feb-04_288.5_-29.0

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

Cold spell occuring from January 09 2025 to January 19 2025 at -28.5°S 291.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 11 days

Time span: January 09 2025 to January 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 4.9 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: -7.2 °C

Event center: -28.5°S 291.0°E

Area affected: 155122 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-09_to_2025-Jan-19_291.0_-28.5

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 December 28 2024 to January 13 2025 at -37.0°S 287.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 17 days

Time span: December 28 2024 to January 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 33.3 °C

Event center: -37.0°S 287.5°E

Area affected: 962425 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-Dec-28_to_2025-Jan-13_287.5_-37.0