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

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 10 2025 to March 15 2025 at -33.0°S 304.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 6 days

Time span: March 10 2025 to March 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 16.2 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 11.1 °C

Event center: -33.0°S 304.0°E

Area affected: 650648 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-10_to_2025-Mar-15_304.0_-33.0

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 January 02 2025 to January 08 2025 at -36.0°S 306.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 7 days

Time span: January 02 2025 to January 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 12.5 °C

Event center: -36.0°S 306.0°E

Area affected: 443781 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-02_to_2025-Jan-08_306.0_-36.0

Cold spell occuring from December 21 2024 to December 29 2024 at -39.0°S 305.0°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
  • Paraguay
  • Uruguay

Duration: 9 days

Time span: December 21 2024 to December 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 11.1 °C

Event center: -39.0°S 305.0°E

Area affected: 1279614 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-21_to_2024-Dec-29_305.0_-39.0

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

Cold spell occuring from November 18 2024 to November 21 2024 at -27.0°S 297.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina

Duration: 4 days

Time span: November 18 2024 to November 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 18.0 °C

Event center: -27.0°S 297.5°E

Area affected: 162821 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-Nov-18_to_2024-Nov-21_297.5_-27.0

Cold spell occuring from October 08 2024 to October 12 2024 at -24.5°S 292.0°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: October 08 2024 to October 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 7.6 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: -5.5 °C

Event center: -24.5°S 292.0°E

Area affected: 84615 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-Oct-08_to_2024-Oct-12_292.0_-24.5

Cold spell occuring from September 13 2024 to October 08 2024 at -63.5°S 284.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 26 days

Time span: September 13 2024 to October 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -12.7 °C
  • Minimum temperature anomaly: -20.5 °C
  • Minimum temperature: -46.8 °C

Event center: -63.5°S 284.0°E

Area affected: 9601546 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-Sep-13_to_2024-Oct-08_284.0_-63.5