Category: Extremes affecting Antarctica

Cold spell occuring from August 21 2021 to August 30 2021 at -62.5°S 142.5°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: August 21 2021 to August 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.6 °C
  • Mean temperature: -19.3 °C
  • Minimum temperature anomaly: -13.7 °C
  • Minimum temperature: -57.6 °C

Event center: -62.5°S 142.5°E

Area affected: 1281766 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-Aug-21_to_2021-Aug-30_142.5_-62.5

Heat wave occuring from August 21 2021 to August 23 2021 at -75.5°S 34.0°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: August 21 2021 to August 23 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: -49.2 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: -40.9 °C

Event center: -75.5°S 34.0°E

Area affected: 51142 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-Aug-21_to_2021-Aug-23_34.0_-75.5

Heat wave occuring from August 19 2021 to September 09 2021 at -41.5°S 166.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 22 days

Time span: August 19 2021 to September 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 10.0 °C
  • Mean temperature: -23.0 °C
  • Maximum temperature anomaly: 25.3 °C
  • Maximum temperature: 26.2 °C

Event center: -41.5°S 166.0°E

Area affected: 17185095 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-Aug-19_to_2021-Sep-09_166.0_-41.5

Heat wave occuring from August 16 2021 to August 22 2021 at -66.5°S 57.0°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: August 16 2021 to August 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: -16.3 °C
  • Maximum temperature anomaly: 17.2 °C
  • Maximum temperature: -1.0 °C

Event center: -66.5°S 57.0°E

Area affected: 1118073 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-Aug-16_to_2021-Aug-22_57.0_-66.5

Heat wave occuring from August 11 2021 to August 18 2021 at -70.0°S 352.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: August 11 2021 to August 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.8 °C
  • Mean temperature: -13.1 °C
  • Maximum temperature anomaly: 15.1 °C
  • Maximum temperature: -10.6 °C

Event center: -70.0°S 352.0°E

Area affected: 323825 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-Aug-11_to_2021-Aug-18_352.0_-70.0

Heat wave occuring from August 11 2021 to August 15 2021 at -70.0°S 146.5°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: August 11 2021 to August 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 11.5 °C
  • Mean temperature: -29.7 °C
  • Maximum temperature anomaly: 16.7 °C
  • Maximum temperature: -9.7 °C

Event center: -70.0°S 146.5°E

Area affected: 377489 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-Aug-11_to_2021-Aug-15_146.5_-70.0

Cold spell occuring from August 11 2021 to August 13 2021 at -66.0°S 268.5°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: August 11 2021 to August 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.7 °C
  • Mean temperature: -13.6 °C
  • Minimum temperature anomaly: -11.9 °C
  • Minimum temperature: -18.2 °C

Event center: -66.0°S 268.5°E

Area affected: 53024 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-Aug-11_to_2021-Aug-13_268.5_-66.0

Cold spell occuring from August 10 2021 to August 13 2021 at -75.0°S 48.0°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: August 10 2021 to August 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.3 °C
  • Mean temperature: -66.8 °C
  • Minimum temperature anomaly: -12.1 °C
  • Minimum temperature: -72.3 °C

Event center: -75.0°S 48.0°E

Area affected: 153336 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-Aug-10_to_2021-Aug-13_48.0_-75.0

Heat wave occuring from August 08 2021 to August 11 2021 at -78.0°S 304.0°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: August 08 2021 to August 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 14.5 °C
  • Mean temperature: -21.8 °C
  • Maximum temperature anomaly: 20.6 °C
  • Maximum temperature: -14.0 °C

Event center: -78.0°S 304.0°E

Area affected: 135915 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-Aug-08_to_2021-Aug-11_304.0_-78.0

Cold spell occuring from August 01 2021 to September 04 2021 at -82.0°S 183.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 35 days

Time span: August 01 2021 to September 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -10.2 °C
  • Mean temperature: -50.5 °C
  • Minimum temperature anomaly: -26.0 °C
  • Minimum temperature: -72.8 °C

Event center: -82.0°S 183.5°E

Area affected: 12954478 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-Aug-01_to_2021-Sep-04_183.5_-82.0