Category: Extremes affecting Antarctica

Cold spell occuring from February 04 2021 to February 12 2021 at -64.5°S 234.0°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: February 04 2021 to February 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: -0.3 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: -3.4 °C

Event center: -64.5°S 234.0°E

Area affected: 923375 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-Feb-04_to_2021-Feb-12_234.0_-64.5

Heat wave occuring from February 04 2021 to February 07 2021 at -75.5°S 283.0°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: February 04 2021 to February 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: -8.3 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: -2.6 °C

Event center: -75.5°S 283.0°E

Area affected: 53322 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-Feb-04_to_2021-Feb-07_283.0_-75.5

Cold spell occuring from February 03 2021 to February 12 2021 at -76.0°S 214.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 10 days

Time span: February 03 2021 to February 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.5 °C
  • Mean temperature: -18.1 °C
  • Minimum temperature anomaly: -10.2 °C
  • Minimum temperature: -22.3 °C

Event center: -76.0°S 214.5°E

Area affected: 276077 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-Feb-03_to_2021-Feb-12_214.5_-76.0

Heat wave occuring from February 01 2021 to February 05 2021 at -66.0°S 341.5°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: February 01 2021 to February 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 0.5 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 0.9 °C

Event center: -66.0°S 341.5°E

Area affected: 162742 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-Feb-01_to_2021-Feb-05_341.5_-66.0

Cold spell occuring from February 01 2021 to March 02 2021 at -69.5°S 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 30 days

Time span: February 01 2021 to March 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: -33.2 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: -48.0 °C

Event center: -69.5°S 356.0°E

Area affected: 6215080 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-Feb-01_to_2021-Mar-02_9.0_-69.5

Heat wave occuring from January 28 2021 to February 06 2021 at -66.5°S 168.0°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: January 28 2021 to February 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 0.4 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 2.3 °C

Event center: -66.5°S 168.0°E

Area affected: 833761 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-Jan-28_to_2021-Feb-06_168.0_-66.5

Heat wave occuring from January 27 2021 to January 29 2021 at -70.0°S 126.0°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: January 27 2021 to January 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: -13.5 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: -2.3 °C

Event center: -70.0°S 126.0°E

Area affected: 185263 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-Jan-27_to_2021-Jan-29_126.0_-70.0

Cold spell occuring from January 25 2021 to January 30 2021 at -73.5°S 298.0°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: January 25 2021 to January 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: -12.4 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: -20.5 °C

Event center: -73.5°S 298.0°E

Area affected: 85585 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-Jan-25_to_2021-Jan-30_298.0_-73.5

Cold spell occuring from January 24 2021 to January 30 2021 at -56.0°S 290.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 7 days

Time span: January 24 2021 to January 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 6.9 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -3.2 °C

Event center: -56.0°S 290.0°E

Area affected: 2019540 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-Jan-24_to_2021-Jan-30_290.0_-56.0

Heat wave occuring from January 23 2021 to January 26 2021 at -70.0°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: January 23 2021 to January 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: -11.7 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: 2.6 °C

Event center: -70.0°S 77.5°E

Area affected: 490300 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-Jan-23_to_2021-Jan-26_77.5_-70.0