Category: Extremes affecting Antarctica

Heat wave occuring from October 06 2021 to October 19 2021 at -59.0°S 297.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Chile

Duration: 14 days

Time span: October 06 2021 to October 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 3.6 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 15.2 °C

Event center: -59.0°S 297.0°E

Area affected: 5303354 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_2021-Oct-06_to_2021-Oct-19_297.0_-59.0

Cold spell occuring from October 05 2021 to October 12 2021 at -57.0°S 249.0°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: October 05 2021 to October 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: -1.9 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: -11.3 °C

Event center: -57.0°S 249.0°E

Area affected: 1632763 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_2021-Oct-05_to_2021-Oct-12_249.0_-57.0

Heat wave occuring from October 05 2021 to October 09 2021 at -57.5°S 159.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia

Duration: 5 days

Time span: October 05 2021 to October 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 3.1 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 7.2 °C

Event center: -57.5°S 159.0°E

Area affected: 443871 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_2021-Oct-05_to_2021-Oct-09_159.0_-57.5

Cold spell occuring from October 02 2021 to October 09 2021 at -68.5°S 10.5°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: October 02 2021 to October 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: -20.3 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: -22.8 °C

Event center: -68.5°S 10.5°E

Area affected: 129521 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_2021-Oct-02_to_2021-Oct-09_10.5_-68.5

Cold spell occuring from October 01 2021 to October 06 2021 at -76.0°S 13.5°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 01 2021 to October 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -55.9 °C
  • Minimum temperature anomaly: -10.9 °C
  • Minimum temperature: -62.1 °C

Event center: -76.0°S 13.5°E

Area affected: 157457 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_2021-Oct-01_to_2021-Oct-06_13.5_-76.0

Heat wave occuring from September 27 2021 to September 30 2021 at -67.0°S 30.5°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 27 2021 to September 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: -7.4 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: -5.1 °C

Event center: -67.0°S 30.5°E

Area affected: 296365 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_2021-Sep-27_to_2021-Sep-30_30.5_-67.0

Heat wave occuring from September 27 2021 to October 16 2021 at -73.0°S 103.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 20 days

Time span: September 27 2021 to October 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 9.1 °C
  • Mean temperature: -24.1 °C
  • Maximum temperature anomaly: 23.2 °C
  • Maximum temperature: 8.5 °C

Event center: -73.0°S 103.5°E

Area affected: 9929534 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_2021-Sep-27_to_2021-Oct-16_103.5_-73.0

Heat wave occuring from September 27 2021 to October 01 2021 at -62.5°S 321.5°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 27 2021 to October 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: -0.2 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 0.8 °C

Event center: -62.5°S 321.5°E

Area affected: 62012 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_2021-Sep-27_to_2021-Oct-01_321.5_-62.5

Cold spell occuring from September 27 2021 to September 30 2021 at -75.5°S 166.0°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: September 27 2021 to September 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.5 °C
  • Mean temperature: -42.8 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: -53.3 °C

Event center: -75.5°S 166.0°E

Area affected: 103483 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_2021-Sep-27_to_2021-Sep-30_166.0_-75.5

Cold spell occuring from September 25 2021 to September 30 2021 at -65.5°S 109.0°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: September 25 2021 to September 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: -22.4 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -36.5 °C

Event center: -65.5°S 109.0°E

Area affected: 190430 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_2021-Sep-25_to_2021-Sep-30_109.0_-65.5