Category: Extremes affecting Antarctica

Heat wave occuring from November 25 2022 to December 05 2022 at -77.5°S 349.5°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: November 25 2022 to December 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: -12.7 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 0.8 °C

Event center: -77.5°S 349.5°E

Area affected: 1431412 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-Nov-25_to_2022-Dec-05_349.5_-77.5

Cold spell occuring from November 23 2022 to December 03 2022 at -69.5°S 47.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 11 days

Time span: November 23 2022 to December 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: -18.2 °C
  • Minimum temperature anomaly: -6.7 °C
  • Minimum temperature: -35.9 °C

Event center: -69.5°S 47.5°E

Area affected: 766193 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-Nov-23_to_2022-Dec-03_47.5_-69.5

Heat wave occuring from November 13 2022 to November 17 2022 at -64.0°S 324.0°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: November 13 2022 to November 17 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 0.4 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 1.1 °C

Event center: -64.0°S 324.0°E

Area affected: 365829 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-Nov-13_to_2022-Nov-17_324.0_-64.0

Cold spell occuring from November 12 2022 to November 20 2022 at -66.0°S 100.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 9 days

Time span: November 12 2022 to November 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: -9.0 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: -18.0 °C

Event center: -66.0°S 100.5°E

Area affected: 144305 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-Nov-12_to_2022-Nov-20_100.5_-66.0

Heat wave occuring from November 10 2022 to November 20 2022 at -50.5°S 29.5°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: November 10 2022 to November 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: -1.2 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: 10.7 °C

Event center: -50.5°S 29.5°E

Area affected: 4275044 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-Nov-10_to_2022-Nov-20_29.5_-50.5

Heat wave occuring from November 01 2022 to February 23 2023 at -13.5°S 355.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Angola
  • Antarctica
  • Argentina
  • Benin
  • Bolivia, Plurinational State of
  • Brazil
  • Burkina Faso
  • Cameroon
  • Chile
  • Congo
  • Côte d’Ivoire
  • Equatorial Guinea
  • Eswatini
  • Gabon
  • Gambia
  • Ghana
  • Guinea
  • Guinea-Bissau
  • Liberia
  • Madagascar
  • Mali
  • Mauritania
  • Morocco
  • Mozambique
  • Namibia
  • Niger
  • Nigeria
  • Paraguay
  • Peru
  • Senegal
  • Sierra Leone
  • South Africa
  • Togo
  • Uruguay

Duration: 115 days

Time span: November 01 2022 to February 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 38.9 °C

Event center: -13.5°S 355.0°E

Area affected: 48958616 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-Nov-01_to_2023-Feb-23_355.0_-13.5

Cold spell occuring from October 29 2022 to November 26 2022 at -84.0°S 203.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 29 days

Time span: October 29 2022 to November 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: -33.8 °C
  • Minimum temperature anomaly: -18.8 °C
  • Minimum temperature: -53.4 °C

Event center: -84.0°S 203.5°E

Area affected: 10767798 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-Oct-29_to_2022-Nov-26_203.5_-84.0

Heat wave occuring from October 22 2022 to November 04 2022 at -71.0°S 71.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 14 days

Time span: October 22 2022 to November 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: -14.3 °C
  • Maximum temperature anomaly: 16.6 °C
  • Maximum temperature: 5.8 °C

Event center: -71.0°S 71.0°E

Area affected: 7254593 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-Oct-22_to_2022-Nov-04_71.0_-71.0

Cold spell occuring from October 21 2022 to October 26 2022 at -78.0°S 145.5°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 21 2022 to October 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: -47.0 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: -49.7 °C

Event center: -78.0°S 145.5°E

Area affected: 60953 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-Oct-21_to_2022-Oct-26_145.5_-78.0

Cold spell occuring from October 20 2022 to October 26 2022 at -72.0°S 242.0°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: October 20 2022 to October 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: -15.6 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: -25.0 °C

Event center: -72.0°S 242.0°E

Area affected: 98373 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-Oct-20_to_2022-Oct-26_242.0_-72.0