Category: Extremes affecting Antarctica

Cold spell occuring from January 11 2022 to January 14 2022 at -67.0°S 71.0°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: January 11 2022 to January 14 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: -2.5 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: -8.9 °C

Event center: -67.0°S 71.0°E

Area affected: 145729 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-Jan-11_to_2022-Jan-14_71.0_-67.0

Cold spell occuring from January 08 2022 to January 11 2022 at -67.0°S 128.5°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: January 08 2022 to January 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: -24.0 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: -33.3 °C

Event center: -67.0°S 128.5°E

Area affected: 368366 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-Jan-08_to_2022-Jan-11_128.5_-67.0

Heat wave occuring from January 02 2022 to January 08 2022 at -80.0°S 299.0°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: January 02 2022 to January 08 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: -3.8 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 0.3 °C

Event center: -80.0°S 299.0°E

Area affected: 244179 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-Jan-02_to_2022-Jan-08_299.0_-80.0

Cold spell occuring from December 31 2021 to January 20 2022 at -66.0°S 326.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 21 days

Time span: December 31 2021 to January 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: -3.1 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: -15.6 °C

Event center: -66.0°S 326.5°E

Area affected: 1576261 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-Dec-31_to_2022-Jan-20_326.5_-66.0

Heat wave occuring from December 27 2021 to December 29 2021 at -71.0°S 43.0°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: December 27 2021 to December 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: -13.4 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: -6.6 °C

Event center: -71.0°S 43.0°E

Area affected: 97636 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-Dec-27_to_2021-Dec-29_43.0_-71.0

Heat wave occuring from December 21 2021 to December 28 2021 at -65.5°S 300.5°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: December 21 2021 to December 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 1.4 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: 9.2 °C

Event center: -65.5°S 300.5°E

Area affected: 145953 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-Dec-21_to_2021-Dec-28_300.5_-65.5

Cold spell occuring from December 21 2021 to January 24 2022 at -72.5°S 264.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 35 days

Time span: December 21 2021 to January 24 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: -17.3 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -38.8 °C

Event center: -72.5°S 264.5°E

Area affected: 10880331 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-Dec-21_to_2022-Jan-24_264.5_-72.5

Heat wave occuring from December 19 2021 to January 12 2022 at -65.0°S 60.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 25 days

Time span: December 19 2021 to January 12 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: -15.4 °C
  • Maximum temperature anomaly: 12.8 °C
  • Maximum temperature: 4.9 °C

Event center: -65.0°S 60.0°E

Area affected: 2795806 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-Dec-19_to_2022-Jan-12_60.0_-65.0

Heat wave occuring from December 18 2021 to December 21 2021 at -81.0°S 178.0°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: December 18 2021 to December 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: -3.6 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: -1.8 °C

Event center: -81.0°S 178.0°E

Area affected: 51226 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-Dec-18_to_2021-Dec-21_178.0_-81.0

Heat wave occuring from December 08 2021 to December 11 2021 at -61.5°S 302.0°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: December 08 2021 to December 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 1.7 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 3.0 °C

Event center: -61.5°S 302.0°E

Area affected: 154149 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-Dec-08_to_2021-Dec-11_302.0_-61.5