Category: Extremes affecting Antarctica

Cold spell occuring from May 27 2021 to May 29 2021 at -65.0°S 89.0°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: May 27 2021 to May 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.2 °C
  • Mean temperature: -21.5 °C
  • Minimum temperature anomaly: -10.9 °C
  • Minimum temperature: -26.4 °C

Event center: -65.0°S 89.0°E

Area affected: 58438 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-May-27_to_2021-May-29_89.0_-65.0

Cold spell occuring from May 26 2021 to June 02 2021 at -67.5°S 21.0°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: May 26 2021 to June 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: -13.6 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -25.4 °C

Event center: -67.5°S 21.0°E

Area affected: 1254988 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-May-26_to_2021-Jun-02_21.0_-67.5

Heat wave occuring from May 24 2021 to May 26 2021 at -73.0°S 59.5°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: May 24 2021 to May 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: -30.5 °C
  • Maximum temperature anomaly: 12.6 °C
  • Maximum temperature: -19.2 °C

Event center: -73.0°S 59.5°E

Area affected: 154043 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-May-24_to_2021-May-26_59.5_-73.0

Cold spell occuring from May 23 2021 to June 08 2021 at -70.0°S 288.0°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: May 23 2021 to June 08 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -12.1 °C
  • Mean temperature: -29.8 °C
  • Minimum temperature anomaly: -19.9 °C
  • Minimum temperature: -39.6 °C

Event center: -70.0°S 288.0°E

Area affected: 232711 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-May-23_to_2021-Jun-08_288.0_-70.0

Heat wave occuring from May 23 2021 to June 01 2021 at -68.0°S 324.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 10 days

Time span: May 23 2021 to June 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 11.0 °C
  • Mean temperature: -4.1 °C
  • Maximum temperature anomaly: 16.3 °C
  • Maximum temperature: 0.5 °C

Event center: -68.0°S 324.5°E

Area affected: 1769566 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-May-23_to_2021-Jun-01_324.5_-68.0

Cold spell occuring from May 22 2021 to June 09 2021 at -64.0°S 145.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 19 days

Time span: May 22 2021 to June 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -21.6 °C
  • Minimum temperature anomaly: -14.9 °C
  • Minimum temperature: -30.6 °C

Event center: -64.0°S 145.5°E

Area affected: 770227 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-May-22_to_2021-Jun-09_145.5_-64.0

Heat wave occuring from May 22 2021 to June 04 2021 at -81.5°S 203.5°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: May 22 2021 to June 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 13.6 °C
  • Mean temperature: -16.4 °C
  • Maximum temperature anomaly: 26.8 °C
  • Maximum temperature: -2.2 °C

Event center: -81.5°S 203.5°E

Area affected: 1800770 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-May-22_to_2021-Jun-04_203.5_-81.5

Cold spell occuring from May 19 2021 to June 05 2021 at -51.5°S 301.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 18 days

Time span: May 19 2021 to June 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: -1.8 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -26.1 °C

Event center: -51.5°S 301.5°E

Area affected: 4726740 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-May-19_to_2021-Jun-05_301.5_-51.5

Heat wave occuring from May 17 2021 to May 20 2021 at -78.5°S 76.0°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: May 17 2021 to May 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 9.5 °C
  • Mean temperature: -43.8 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: -30.8 °C

Event center: -78.5°S 76.0°E

Area affected: 264302 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-May-17_to_2021-May-20_76.0_-78.5

Heat wave occuring from May 15 2021 to May 18 2021 at -73.5°S 77.5°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: May 15 2021 to May 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 9.5 °C
  • Mean temperature: -27.4 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: -11.2 °C

Event center: -73.5°S 77.5°E

Area affected: 211649 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-May-15_to_2021-May-18_77.5_-73.5