Category: Extremes affecting Antarctica

Cold spell occuring from December 16 2023 to January 29 2024 at -69.5°S 40.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 45 days

Time span: December 16 2023 to January 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: -30.2 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: -39.3 °C

Event center: -69.5°S 40.0°E

Area affected: 7001376 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_2023-Dec-16_to_2024-Jan-29_40.0_-69.5

Heat wave occuring from December 14 2023 to December 22 2023 at -66.5°S 299.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 9 days

Time span: December 14 2023 to December 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: -2.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 6.7 °C

Event center: -66.5°S 299.5°E

Area affected: 356855 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_2023-Dec-14_to_2023-Dec-22_299.5_-66.5

Heat wave occuring from December 10 2023 to December 17 2023 at -76.5°S 307.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: December 10 2023 to December 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 0.1 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 0.6 °C

Event center: -76.5°S 307.0°E

Area affected: 224739 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_2023-Dec-10_to_2023-Dec-17_307.0_-76.5

Cold spell occuring from December 09 2023 to January 01 2024 at -84.0°S 216.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 24 days

Time span: December 09 2023 to January 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: -16.5 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: -32.5 °C

Event center: -84.0°S 216.5°E

Area affected: 1396508 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_2023-Dec-09_to_2024-Jan-01_216.5_-84.0

Cold spell occuring from December 08 2023 to December 15 2023 at -66.5°S 170.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 8 days

Time span: December 08 2023 to December 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: -2.4 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: -5.0 °C

Event center: -66.5°S 170.0°E

Area affected: 713202 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_2023-Dec-08_to_2023-Dec-15_170.0_-66.5

Heat wave occuring from December 06 2023 to December 17 2023 at -70.5°S 339.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 12 days

Time span: December 06 2023 to December 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: -0.3 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 1.0 °C

Event center: -70.5°S 339.0°E

Area affected: 568841 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_2023-Dec-06_to_2023-Dec-17_339.0_-70.5

Cold spell occuring from December 05 2023 to December 10 2023 at -84.0°S 244.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 6 days

Time span: December 05 2023 to December 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: -17.5 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: -27.6 °C

Event center: -84.0°S 244.0°E

Area affected: 146499 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_2023-Dec-05_to_2023-Dec-10_244.0_-84.0

Heat wave occuring from November 29 2023 to December 16 2023 at -76.0°S 30.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 18 days

Time span: November 29 2023 to December 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: -19.6 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 2.3 °C

Event center: -76.0°S 30.5°E

Area affected: 4673764 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_2023-Nov-29_to_2023-Dec-16_30.5_-76.0

Heat wave occuring from November 29 2023 to December 06 2023 at -59.0°S 210.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: November 29 2023 to December 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 2.2 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 5.9 °C

Event center: -59.0°S 210.0°E

Area affected: 545886 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_2023-Nov-29_to_2023-Dec-06_210.0_-59.0

Heat wave occuring from November 28 2023 to December 01 2023 at -80.0°S 153.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 4 days

Time span: November 28 2023 to December 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: -22.6 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: -14.0 °C

Event center: -80.0°S 153.5°E

Area affected: 93734 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_2023-Nov-28_to_2023-Dec-01_153.5_-80.0