Category: Extremes affecting Antarctica

Cold spell occuring from July 30 2021 to August 04 2021 at -63.5°S 239.5°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: July 30 2021 to August 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -7.9 °C
  • Minimum temperature anomaly: -10.6 °C
  • Minimum temperature: -17.8 °C

Event center: -63.5°S 239.5°E

Area affected: 495098 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-Jul-30_to_2021-Aug-04_239.5_-63.5

Heat wave occuring from July 30 2021 to August 03 2021 at -72.0°S 305.0°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: July 30 2021 to August 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: -16.1 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: -12.6 °C

Event center: -72.0°S 305.0°E

Area affected: 124815 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-Jul-30_to_2021-Aug-03_305.0_-72.0

Heat wave occuring from July 29 2021 to August 12 2021 at -66.0°S 141.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 15 days

Time span: July 29 2021 to August 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 13.3 °C
  • Mean temperature: -23.6 °C
  • Maximum temperature anomaly: 28.2 °C
  • Maximum temperature: -0.5 °C

Event center: -66.0°S 141.5°E

Area affected: 3324430 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-Jul-29_to_2021-Aug-12_141.5_-66.0

Cold spell occuring from July 28 2021 to August 06 2021 at -70.0°S 335.0°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: July 28 2021 to August 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.0 °C
  • Mean temperature: -29.1 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -33.9 °C

Event center: -70.0°S 335.0°E

Area affected: 460186 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-Jul-28_to_2021-Aug-06_335.0_-70.0

Cold spell occuring from July 28 2021 to August 02 2021 at -63.0°S 106.0°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: July 28 2021 to August 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -21.1 °C
  • Minimum temperature anomaly: -16.6 °C
  • Minimum temperature: -37.5 °C

Event center: -63.0°S 106.0°E

Area affected: 456134 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-Jul-28_to_2021-Aug-02_106.0_-63.0

Heat wave occuring from July 28 2021 to August 01 2021 at -58.0°S 164.5°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: July 28 2021 to August 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 3.3 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 6.5 °C

Event center: -58.0°S 164.5°E

Area affected: 172351 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-Jul-28_to_2021-Aug-01_164.5_-58.0

Cold spell occuring from July 25 2021 to July 31 2021 at -69.5°S 61.5°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: July 25 2021 to July 31 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: -44.8 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -58.1 °C

Event center: -69.5°S 61.5°E

Area affected: 111419 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-Jul-25_to_2021-Jul-31_61.5_-69.5

Heat wave occuring from July 23 2021 to July 25 2021 at -74.5°S 150.0°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: July 23 2021 to July 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: -42.7 °C
  • Maximum temperature anomaly: 14.0 °C
  • Maximum temperature: -35.0 °C

Event center: -74.5°S 150.0°E

Area affected: 60503 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-Jul-23_to_2021-Jul-25_150.0_-74.5

Cold spell occuring from July 21 2021 to July 25 2021 at -86.5°S 140.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: July 21 2021 to July 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.1 °C
  • Mean temperature: -65.5 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: -70.6 °C

Event center: -86.5°S 140.5°E

Area affected: 268782 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-Jul-21_to_2021-Jul-25_140.5_-86.5

Heat wave occuring from July 21 2021 to July 26 2021 at -75.0°S 355.0°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: July 21 2021 to July 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 12.6 °C
  • Mean temperature: -37.3 °C
  • Maximum temperature anomaly: 18.2 °C
  • Maximum temperature: -5.8 °C

Event center: -77.0°S 0.0°E

Area affected: 1311350 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-Jul-21_to_2021-Jul-26_355.0_-75.0