Cold spell occuring from December 11 2010 to December 19 2010 at -22.5°S 307.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Paraguay
  • Uruguay

Duration: 9 days

Time span: December 11 2010 to December 19 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 11.0 °C

Event center: -22.5°S 307.5°E

Area affected: 2494107 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_2010-Dec-11_to_2010-Dec-19_307.5_-22.5

Cold spell occuring from November 08 2010 to November 17 2010 at -34.5°S 307.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 10 days

Time span: November 08 2010 to November 17 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 16.0 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 7.2 °C

Event center: -34.5°S 307.0°E

Area affected: 3703087 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_2010-Nov-08_to_2010-Nov-17_307.0_-34.5

Heat wave occuring from June 27 2010 to July 24 2010 at -15.5°S 310.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia
  • Brazil
  • Colombia
  • Ecuador
  • Paraguay
  • Peru
  • Uruguay
  • Venezuela

Duration: 28 days

Time span: June 27 2010 to July 24 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 23.4 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 30.8 °C

Event center: -15.5°S 310.5°E

Area affected: 8340742 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_2010-Jun-27_to_2010-Jul-24_310.5_-15.5

Heat wave occuring from May 19 2010 to May 26 2010 at -42.0°S 308.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Uruguay

Duration: 8 days

Time span: May 19 2010 to May 26 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 14.2 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 19.9 °C

Event center: -42.0°S 308.0°E

Area affected: 1865010 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_2010-May-19_to_2010-May-26_308.0_-42.0

Cold spell occuring from May 01 2010 to June 10 2010 at -25.0°S 292.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Chile
  • Colombia
  • Ecuador
  • Paraguay
  • Peru
  • Uruguay

Duration: 41 days

Time span: May 01 2010 to June 10 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 14.4 °C
  • Minimum temperature anomaly: -18.9 °C
  • Minimum temperature: -23.8 °C

Event center: -25.0°S 292.5°E

Area affected: 6283534 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_2010-May-01_to_2010-Jun-10_292.5_-25.0

Cold spell occuring from February 24 2010 to February 27 2010 at -34.0°S 307.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 4 days

Time span: February 24 2010 to February 27 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 14.4 °C

Event center: -34.0°S 307.0°E

Area affected: 432460 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_2010-Feb-24_to_2010-Feb-27_307.0_-34.0

Cold spell occuring from May 07 2026 to May 27 2026 at -33.0°S 307.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Chile
  • Colombia
  • Paraguay
  • Peru
  • Uruguay

Duration: 21 days

Time span: May 07 2026 to May 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 15.5 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -7.2 °C

Event center: -33.0°S 307.5°E

Area affected: 7892131 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_2026-May-07_to_2026-May-27_307.5_-33.0

Heat wave occuring from April 24 2026 to May 30 2026 at -23.0°S 333.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Brazil
  • Paraguay
  • South Georgia and the South Sandwich Islands
  • Uruguay

Duration: 37 days

Time span: April 24 2026 to May 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 7.6 °C
  • Maximum temperature anomaly: 23.3 °C
  • Maximum temperature: 27.5 °C

Event center: -23.0°S 333.0°E

Area affected: 18900105 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_2026-Apr-24_to_2026-May-30_333.0_-23.0

Cold spell occuring from June 28 2026 to July 08 2026 at -38.0°S 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile
  • Uruguay

Duration: 11 days

Time span: June 28 2026 to July 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 2.7 °C
  • Minimum temperature anomaly: -11.8 °C
  • Minimum temperature: -13.7 °C

Event center: -38.0°S 289.0°E

Area affected: 1281863 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jun-28_to_2026-Jul-08_289.0_-38.0