Category: Extremes affecting Antarctica

Heat wave occuring from October 28 2023 to November 02 2023 at -74.0°S 355.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 6 days

Time span: October 28 2023 to November 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: -32.1 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: -21.3 °C

Event center: -83.0°S 16.0°E

Area affected: 732658 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-Oct-28_to_2023-Nov-02_355.5_-74.0

Heat wave occuring from October 26 2023 to November 08 2023 at -32.5°S 180.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • New Zealand

Duration: 14 days

Time span: October 26 2023 to November 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 8.7 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 22.5 °C

Event center: -32.5°S 180.5°E

Area affected: 6275399 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-Oct-26_to_2023-Nov-08_180.5_-32.5

Cold spell occuring from October 26 2023 to October 29 2023 at -62.0°S 302.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 4 days

Time span: October 26 2023 to October 29 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: -7.2 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: -20.0 °C

Event center: -62.0°S 302.0°E

Area affected: 158344 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-Oct-26_to_2023-Oct-29_302.0_-62.0

Cold spell occuring from October 25 2023 to October 30 2023 at -83.5°S 299.0°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: October 25 2023 to October 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -34.0 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -41.0 °C

Event center: -83.5°S 299.0°E

Area affected: 107261 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-Oct-25_to_2023-Oct-30_299.0_-83.5

Cold spell occuring from October 25 2023 to October 28 2023 at -88.0°S 37.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 4 days

Time span: October 25 2023 to October 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: -46.0 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: -50.2 °C

Event center: -88.5°S 359.5°E

Area affected: 120201 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-Oct-25_to_2023-Oct-28_37.5_-88.0

Heat wave occuring from October 24 2023 to October 28 2023 at -57.5°S 211.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 5 days

Time span: October 24 2023 to October 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 4.4 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 9.2 °C

Event center: -57.5°S 211.5°E

Area affected: 1269831 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-Oct-24_to_2023-Oct-28_211.5_-57.5

Heat wave occuring from October 23 2023 to October 30 2023 at -68.0°S 78.5°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: October 23 2023 to October 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: -11.5 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 1.8 °C

Event center: -68.0°S 78.5°E

Area affected: 1614652 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-Oct-23_to_2023-Oct-30_78.5_-68.0

Cold spell occuring from October 22 2023 to October 30 2023 at -61.5°S 155.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 9 days

Time span: October 22 2023 to October 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: -12.3 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: -39.9 °C

Event center: -61.5°S 155.0°E

Area affected: 2175949 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-Oct-22_to_2023-Oct-30_155.0_-61.5

Cold spell occuring from October 19 2023 to October 21 2023 at -73.5°S 277.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 3 days

Time span: October 19 2023 to October 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -27.5 °C
  • Minimum temperature anomaly: -11.9 °C
  • Minimum temperature: -34.8 °C

Event center: -73.5°S 277.5°E

Area affected: 60824 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-Oct-19_to_2023-Oct-21_277.5_-73.5

Cold spell occuring from October 18 2023 to October 21 2023 at -71.0°S 263.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 4 days

Time span: October 18 2023 to October 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: -15.7 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: -21.6 °C

Event center: -71.0°S 263.5°E

Area affected: 66185 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-Oct-18_to_2023-Oct-21_263.5_-71.0