Category: Extremes affecting Antarctica

Cold spell occuring from December 18 2022 to January 02 2023 at -69.0°S 36.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 16 days

Time span: December 18 2022 to January 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: -18.3 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: -37.0 °C

Event center: -69.0°S 36.0°E

Area affected: 3415434 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_2022-Dec-18_to_2023-Jan-02_36.0_-69.0

Heat wave occuring from December 17 2022 to December 22 2022 at -73.0°S 336.5°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: December 17 2022 to December 22 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: -0.2 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 0.5 °C

Event center: -73.0°S 336.5°E

Area affected: 131169 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_2022-Dec-17_to_2022-Dec-22_336.5_-73.0

Heat wave occuring from December 17 2022 to December 21 2022 at -80.5°S 196.0°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: December 17 2022 to December 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: -4.2 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: -1.8 °C

Event center: -80.5°S 196.0°E

Area affected: 166976 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_2022-Dec-17_to_2022-Dec-21_196.0_-80.5

Heat wave occuring from December 17 2022 to December 26 2022 at -82.0°S 352.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 10 days

Time span: December 17 2022 to December 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: -20.5 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: -15.1 °C

Event center: -82.5°S 7.0°E

Area affected: 545073 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_2022-Dec-17_to_2022-Dec-26_352.5_-82.0

Heat wave occuring from December 14 2022 to December 20 2022 at -76.0°S 167.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 7 days

Time span: December 14 2022 to December 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: -3.2 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 0.9 °C

Event center: -76.0°S 167.0°E

Area affected: 90968 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_2022-Dec-14_to_2022-Dec-20_167.0_-76.0

Heat wave occuring from December 14 2022 to January 11 2023 at -54.5°S 332.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Chile

Duration: 29 days

Time span: December 14 2022 to January 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 7.7 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 29.8 °C

Event center: -54.5°S 332.0°E

Area affected: 13038273 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_2022-Dec-14_to_2023-Jan-11_332.0_-54.5

Cold spell occuring from December 09 2022 to December 13 2022 at -68.0°S 153.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: December 09 2022 to December 13 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: -11.1 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: -25.2 °C

Event center: -68.0°S 153.5°E

Area affected: 92729 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_2022-Dec-09_to_2022-Dec-13_153.5_-68.0

Cold spell occuring from December 08 2022 to December 14 2022 at -62.5°S 317.0°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: December 08 2022 to December 14 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: -2.6 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: -3.9 °C

Event center: -62.5°S 317.0°E

Area affected: 391309 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_2022-Dec-08_to_2022-Dec-14_317.0_-62.5

Heat wave occuring from December 08 2022 to December 18 2022 at -60.5°S 88.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 11 days

Time span: December 08 2022 to December 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 1.0 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 4.8 °C

Event center: -60.5°S 88.5°E

Area affected: 733680 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_2022-Dec-08_to_2022-Dec-18_88.5_-60.5

Cold spell occuring from December 07 2022 to December 10 2022 at -84.5°S 168.0°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: December 07 2022 to December 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: -26.5 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: -30.8 °C

Event center: -84.5°S 168.0°E

Area affected: 59400 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_2022-Dec-07_to_2022-Dec-10_168.0_-84.5