Category: Extremes affecting Antarctica

Heat wave occuring from July 02 2023 to July 06 2023 at -66.5°S 51.0°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: July 02 2023 to July 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 10.0 °C
  • Mean temperature: -25.7 °C
  • Maximum temperature anomaly: 15.6 °C
  • Maximum temperature: -4.9 °C

Event center: -66.5°S 51.0°E

Area affected: 408260 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-Jul-02_to_2023-Jul-06_51.0_-66.5

Heat wave occuring from June 30 2023 to July 05 2023 at -71.0°S 164.0°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: June 30 2023 to July 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 10.2 °C
  • Mean temperature: -22.7 °C
  • Maximum temperature anomaly: 18.3 °C
  • Maximum temperature: -8.5 °C

Event center: -71.0°S 164.0°E

Area affected: 226535 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-Jun-30_to_2023-Jul-05_164.0_-71.0

Cold spell occuring from June 26 2023 to July 03 2023 at -68.5°S 76.5°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: June 26 2023 to July 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -45.7 °C
  • Minimum temperature anomaly: -15.2 °C
  • Minimum temperature: -71.9 °C

Event center: -68.5°S 76.5°E

Area affected: 1983549 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-Jun-26_to_2023-Jul-03_76.5_-68.5

Heat wave occuring from June 23 2023 to June 27 2023 at -84.5°S 359.0°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: June 23 2023 to June 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.8 °C
  • Mean temperature: -39.6 °C
  • Maximum temperature anomaly: 12.8 °C
  • Maximum temperature: -34.0 °C

Event center: -84.5°S 359.0°E

Area affected: 169120 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-Jun-23_to_2023-Jun-27_359.0_-84.5

Cold spell occuring from June 18 2023 to July 08 2023 at -84.0°S 261.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 21 days

Time span: June 18 2023 to July 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -51.8 °C
  • Minimum temperature anomaly: -21.9 °C
  • Minimum temperature: -71.0 °C

Event center: -84.0°S 261.5°E

Area affected: 2551125 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-Jun-18_to_2023-Jul-08_261.5_-84.0

Cold spell occuring from June 15 2023 to June 21 2023 at -66.0°S 128.0°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: June 15 2023 to June 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: -21.0 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -27.3 °C

Event center: -66.0°S 128.0°E

Area affected: 60071 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-Jun-15_to_2023-Jun-21_128.0_-66.0

Heat wave occuring from June 09 2023 to June 14 2023 at -65.0°S 168.0°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: June 09 2023 to June 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.2 °C
  • Mean temperature: 0.8 °C
  • Maximum temperature anomaly: 14.2 °C
  • Maximum temperature: 8.3 °C

Event center: -65.0°S 168.0°E

Area affected: 599586 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-Jun-09_to_2023-Jun-14_168.0_-65.0

Cold spell occuring from June 07 2023 to June 27 2023 at -64.0°S 224.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 21 days

Time span: June 07 2023 to June 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: -9.4 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -38.8 °C

Event center: -64.0°S 224.5°E

Area affected: 3090935 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-Jun-07_to_2023-Jun-27_224.5_-64.0

Heat wave occuring from June 07 2023 to June 10 2023 at -85.0°S 165.0°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: June 07 2023 to June 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: -33.6 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: -26.5 °C

Event center: -85.0°S 165.0°E

Area affected: 55047 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-Jun-07_to_2023-Jun-10_165.0_-85.0

Cold spell occuring from June 05 2023 to June 08 2023 at -69.5°S 356.0°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: June 05 2023 to June 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.0 °C
  • Mean temperature: -24.2 °C
  • Minimum temperature anomaly: -11.3 °C
  • Minimum temperature: -28.3 °C

Event center: -69.5°S 356.0°E

Area affected: 81458 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-Jun-05_to_2023-Jun-08_356.0_-69.5