Category: Extremes affecting Antarctica

Cold spell occuring from October 03 2023 to October 08 2023 at -79.5°S 90.5°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 03 2023 to October 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -60.7 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: -68.8 °C

Event center: -79.5°S 90.5°E

Area affected: 548642 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-03_to_2023-Oct-08_90.5_-79.5

Heat wave occuring from October 02 2023 to October 14 2023 at -59.0°S 208.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 13 days

Time span: October 02 2023 to October 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 2.3 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: 15.9 °C

Event center: -59.0°S 208.0°E

Area affected: 5782954 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-02_to_2023-Oct-14_208.0_-59.0

Cold spell occuring from October 01 2023 to October 10 2023 at -79.0°S 189.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 10 days

Time span: October 01 2023 to October 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -35.4 °C
  • Minimum temperature anomaly: -14.9 °C
  • Minimum temperature: -44.4 °C

Event center: -79.0°S 189.0°E

Area affected: 127734 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-01_to_2023-Oct-10_189.0_-79.0

Cold spell occuring from September 30 2023 to October 06 2023 at -70.0°S 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: September 30 2023 to October 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -29.6 °C
  • Minimum temperature anomaly: -10.7 °C
  • Minimum temperature: -44.2 °C

Event center: -70.0°S 24.0°E

Area affected: 448794 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-Sep-30_to_2023-Oct-06_24.0_-70.0

Cold spell occuring from September 28 2023 to October 03 2023 at -66.0°S 127.5°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: September 28 2023 to October 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: -18.9 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: -26.7 °C

Event center: -66.0°S 127.5°E

Area affected: 160036 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-Sep-28_to_2023-Oct-03_127.5_-66.0

Heat wave occuring from September 28 2023 to October 03 2023 at -78.0°S 335.5°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: September 28 2023 to October 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 9.1 °C
  • Mean temperature: -15.2 °C
  • Maximum temperature anomaly: 14.9 °C
  • Maximum temperature: -4.6 °C

Event center: -78.0°S 335.5°E

Area affected: 372665 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-Sep-28_to_2023-Oct-03_335.5_-78.0

Heat wave occuring from September 25 2023 to September 28 2023 at -69.5°S 69.5°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: September 25 2023 to September 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: -17.2 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: -9.4 °C

Event center: -69.5°S 69.5°E

Area affected: 66270 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-Sep-25_to_2023-Sep-28_69.5_-69.5

Heat wave occuring from September 24 2023 to September 27 2023 at -80.0°S 111.0°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: September 24 2023 to September 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: -47.0 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: -44.2 °C

Event center: -80.0°S 111.0°E

Area affected: 233423 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-Sep-24_to_2023-Sep-27_111.0_-80.0

Heat wave occuring from September 24 2023 to September 26 2023 at -61.0°S 88.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 3 days

Time span: September 24 2023 to September 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: -1.3 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: -0.1 °C

Event center: -61.0°S 88.5°E

Area affected: 57765 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-Sep-24_to_2023-Sep-26_88.5_-61.0

Heat wave occuring from September 10 2023 to September 13 2023 at -80.5°S 280.0°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: September 10 2023 to September 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.3 °C
  • Mean temperature: -24.7 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: -17.9 °C

Event center: -80.5°S 280.0°E

Area affected: 60357 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-Sep-10_to_2023-Sep-13_280.0_-80.5