Category: Extremes affecting Antarctica

Heat wave occuring from November 10 2021 to November 22 2021 at -60.0°S 5.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 13 days

Time span: November 10 2021 to November 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: -0.4 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 1.1 °C

Event center: -65.5°S 352.0°E

Area affected: 1424097 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-Nov-10_to_2021-Nov-22_5.5_-60.0

Cold spell occuring from November 09 2021 to November 12 2021 at -65.5°S 104.5°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: November 09 2021 to November 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: -25.2 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: -37.3 °C

Event center: -65.5°S 104.5°E

Area affected: 93253 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-Nov-09_to_2021-Nov-12_104.5_-65.5

Cold spell occuring from November 08 2021 to November 12 2021 at -66.5°S 126.5°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: November 08 2021 to November 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: -13.3 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: -16.7 °C

Event center: -66.5°S 126.5°E

Area affected: 59185 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-Nov-08_to_2021-Nov-12_126.5_-66.5

Heat wave occuring from November 07 2021 to November 12 2021 at -67.5°S 152.0°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: November 07 2021 to November 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: -3.7 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: -0.9 °C

Event center: -67.5°S 152.0°E

Area affected: 254740 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-Nov-07_to_2021-Nov-12_152.0_-67.5

Cold spell occuring from November 04 2021 to November 20 2021 at -80.0°S 195.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 17 days

Time span: November 04 2021 to November 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: -24.4 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -31.9 °C

Event center: -80.0°S 195.0°E

Area affected: 139058 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-Nov-04_to_2021-Nov-20_195.0_-80.0

Cold spell occuring from November 03 2021 to November 19 2021 at -82.0°S 75.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 17 days

Time span: November 03 2021 to November 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: -41.9 °C
  • Minimum temperature anomaly: -10.7 °C
  • Minimum temperature: -53.7 °C

Event center: -82.0°S 75.5°E

Area affected: 3607819 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-Nov-03_to_2021-Nov-19_75.5_-82.0

Heat wave occuring from November 03 2021 to November 05 2021 at -71.5°S 130.0°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: November 03 2021 to November 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: -31.8 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: -24.9 °C

Event center: -71.5°S 130.0°E

Area affected: 223262 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-Nov-03_to_2021-Nov-05_130.0_-71.5

Heat wave occuring from October 31 2021 to November 05 2021 at -69.0°S 156.5°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: October 31 2021 to November 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: -7.3 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: -0.9 °C

Event center: -69.0°S 156.5°E

Area affected: 145474 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-31_to_2021-Nov-05_156.5_-69.0

Heat wave occuring from October 30 2021 to November 15 2021 at -43.0°S 56.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • French Southern Territories

Duration: 17 days

Time span: October 30 2021 to November 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 2.3 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 17.4 °C

Event center: -43.0°S 56.0°E

Area affected: 7069622 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-30_to_2021-Nov-15_56.0_-43.0

Heat wave occuring from October 30 2021 to November 08 2021 at -54.5°S 153.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia

Duration: 10 days

Time span: October 30 2021 to November 08 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 6.8 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 13.4 °C

Event center: -54.5°S 153.5°E

Area affected: 2507357 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-30_to_2021-Nov-08_153.5_-54.5