Category: Extremes affecting Antarctica

Heat wave occuring from September 27 2020 to September 29 2020 at -61.0°S 199.5°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 27 2020 to September 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 1.0 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 2.4 °C

Event center: -61.0°S 199.5°E

Area affected: 74596 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_2020-Sep-27_to_2020-Sep-29_199.5_-61.0

Cold spell occuring from September 26 2020 to October 02 2020 at -63.0°S 302.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: September 26 2020 to October 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: -17.2 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -23.9 °C

Event center: -63.0°S 302.0°E

Area affected: 204069 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_2020-Sep-26_to_2020-Oct-02_302.0_-63.0

Heat wave occuring from September 21 2020 to September 25 2020 at -83.5°S 78.5°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: September 21 2020 to September 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: -49.1 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: -46.7 °C

Event center: -83.5°S 78.5°E

Area affected: 56166 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_2020-Sep-21_to_2020-Sep-25_78.5_-83.5

Heat wave occuring from September 21 2020 to September 25 2020 at -78.5°S 100.5°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: September 21 2020 to September 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.8 °C
  • Mean temperature: -48.2 °C
  • Maximum temperature anomaly: 12.8 °C
  • Maximum temperature: -44.1 °C

Event center: -78.5°S 100.5°E

Area affected: 67054 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_2020-Sep-21_to_2020-Sep-25_100.5_-78.5

Cold spell occuring from September 20 2020 to October 26 2020 at -81.5°S 297.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 37 days

Time span: September 20 2020 to October 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.8 °C
  • Mean temperature: -42.9 °C
  • Minimum temperature anomaly: -19.9 °C
  • Minimum temperature: -65.7 °C

Event center: -81.5°S 297.0°E

Area affected: 3226018 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_2020-Sep-20_to_2020-Oct-26_297.0_-81.5

Cold spell occuring from September 18 2020 to September 30 2020 at -61.0°S 153.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 13 days

Time span: September 18 2020 to September 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: -8.7 °C
  • Minimum temperature anomaly: -15.2 °C
  • Minimum temperature: -45.5 °C

Event center: -61.0°S 153.0°E

Area affected: 6211934 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_2020-Sep-18_to_2020-Sep-30_153.0_-61.0

Heat wave occuring from September 17 2020 to October 03 2020 at -73.5°S 68.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 17 days

Time span: September 17 2020 to October 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: -15.0 °C
  • Maximum temperature anomaly: 21.3 °C
  • Maximum temperature: 12.8 °C

Event center: -73.5°S 68.5°E

Area affected: 7901838 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_2020-Sep-17_to_2020-Oct-03_68.5_-73.5

Cold spell occuring from September 15 2020 to September 17 2020 at -79.5°S 243.5°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: September 15 2020 to September 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -11.9 °C
  • Mean temperature: -44.6 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -47.8 °C

Event center: -79.5°S 243.5°E

Area affected: 51344 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_2020-Sep-15_to_2020-Sep-17_243.5_-79.5

Cold spell occuring from September 13 2020 to September 17 2020 at -76.5°S 253.0°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: September 13 2020 to September 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.4 °C
  • Mean temperature: -37.6 °C
  • Minimum temperature anomaly: -13.2 °C
  • Minimum temperature: -46.0 °C

Event center: -76.5°S 253.0°E

Area affected: 55242 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_2020-Sep-13_to_2020-Sep-17_253.0_-76.5

Heat wave occuring from September 13 2020 to September 23 2020 at -74.5°S 356.0°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: September 13 2020 to September 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 12.4 °C
  • Mean temperature: -23.2 °C
  • Maximum temperature anomaly: 22.9 °C
  • Maximum temperature: -2.9 °C

Event center: -74.5°S 356.0°E

Area affected: 2318990 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_2020-Sep-13_to_2020-Sep-23_356.0_-74.5