Category: Extremes affecting Antarctica

Heat wave occuring from June 20 2021 to July 14 2021 at -42.0°S 310.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Chile

Duration: 25 days

Time span: June 20 2021 to July 14 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: -5.6 °C
  • Maximum temperature anomaly: 22.4 °C
  • Maximum temperature: 17.7 °C

Event center: -42.0°S 310.0°E

Area affected: 11613954 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-Jun-20_to_2021-Jul-14_310.0_-42.0

Heat wave occuring from June 18 2021 to June 24 2021 at -75.5°S 245.0°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: June 18 2021 to June 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 10.6 °C
  • Mean temperature: -13.0 °C
  • Maximum temperature anomaly: 14.6 °C
  • Maximum temperature: -3.1 °C

Event center: -75.5°S 245.0°E

Area affected: 274790 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-Jun-18_to_2021-Jun-24_245.0_-75.5

Heat wave occuring from June 12 2021 to June 17 2021 at -57.0°S 264.0°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: June 12 2021 to June 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 6.1 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 8.5 °C

Event center: -57.0°S 264.0°E

Area affected: 834352 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-Jun-12_to_2021-Jun-17_264.0_-57.0

Heat wave occuring from June 10 2021 to June 18 2021 at -65.5°S 124.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 9 days

Time span: June 10 2021 to June 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 9.5 °C
  • Mean temperature: -17.1 °C
  • Maximum temperature anomaly: 21.0 °C
  • Maximum temperature: 3.2 °C

Event center: -65.5°S 124.5°E

Area affected: 1895884 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-Jun-10_to_2021-Jun-18_124.5_-65.5

Cold spell occuring from June 08 2021 to June 11 2021 at -72.5°S 250.0°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: June 08 2021 to June 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -10.3 °C
  • Mean temperature: -22.2 °C
  • Minimum temperature anomaly: -13.8 °C
  • Minimum temperature: -27.1 °C

Event center: -72.5°S 250.0°E

Area affected: 133654 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-Jun-08_to_2021-Jun-11_250.0_-72.5

Cold spell occuring from June 06 2021 to June 17 2021 at -72.0°S 173.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 12 days

Time span: June 06 2021 to June 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: -25.8 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -44.2 °C

Event center: -72.0°S 173.5°E

Area affected: 798153 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-Jun-06_to_2021-Jun-17_173.5_-72.0

Heat wave occuring from June 03 2021 to June 07 2021 at -80.0°S 199.0°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: June 03 2021 to June 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 15.2 °C
  • Mean temperature: -15.2 °C
  • Maximum temperature anomaly: 21.9 °C
  • Maximum temperature: -6.5 °C

Event center: -80.0°S 199.0°E

Area affected: 212623 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-Jun-03_to_2021-Jun-07_199.0_-80.0

Cold spell occuring from June 03 2021 to June 08 2021 at -70.5°S 160.0°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: June 03 2021 to June 08 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: -44.1 °C
  • Minimum temperature anomaly: -13.4 °C
  • Minimum temperature: -52.8 °C

Event center: -70.5°S 160.0°E

Area affected: 153291 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-Jun-03_to_2021-Jun-08_160.0_-70.5

Cold spell occuring from May 28 2021 to July 26 2021 at -81.0°S 310.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 60 days

Time span: May 28 2021 to July 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -10.6 °C
  • Mean temperature: -49.8 °C
  • Minimum temperature anomaly: -26.3 °C
  • Minimum temperature: -77.4 °C

Event center: -81.0°S 310.0°E

Area affected: 12722594 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-28_to_2021-Jul-26_310.0_-81.0

Heat wave occuring from May 28 2021 to June 03 2021 at -72.0°S 106.0°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: May 28 2021 to June 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 11.6 °C
  • Mean temperature: -36.4 °C
  • Maximum temperature anomaly: 18.5 °C
  • Maximum temperature: -17.5 °C

Event center: -72.0°S 106.0°E

Area affected: 695430 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-28_to_2021-Jun-03_106.0_-72.0