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

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

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

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

Cold spell occuring from December 25 2024 to December 29 2024 at -36.0°S 287.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 5 days

Time span: December 25 2024 to December 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 13.9 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 11.8 °C

Event center: -36.0°S 287.0°E

Area affected: 50388 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_2024-Dec-25_to_2024-Dec-29_287.0_-36.0

Cold spell occuring from December 06 2024 to February 11 2025 at -14.0°S 283.5°E

Download data: JSON

Event type: Cold spell

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

  • Chile
  • Peru

Duration: 68 days

Time span: December 06 2024 to February 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 13.7 °C

Event center: -14.0°S 283.5°E

Area affected: 177930 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_2024-Dec-06_to_2025-Feb-11_283.5_-14.0

Cold spell occuring from December 01 2024 to December 14 2024 at -50.0°S 319.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 14 days

Time span: December 01 2024 to December 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 4.5 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -4.2 °C

Event center: -50.0°S 319.0°E

Area affected: 6926274 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_2024-Dec-01_to_2024-Dec-14_319.0_-50.0