Category: Extremes affecting Antarctica

Heat wave occuring from February 29 2020 to March 18 2020 at -64.5°S 285.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Chile

Duration: 19 days

Time span: February 29 2020 to March 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 2.5 °C
  • Maximum temperature anomaly: 21.8 °C
  • Maximum temperature: 20.9 °C

Event center: -64.5°S 285.5°E

Area affected: 5790780 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_2020-Feb-29_to_2020-Mar-18_285.5_-64.5

Heat wave occuring from February 28 2020 to March 06 2020 at -86.5°S 103.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: February 28 2020 to March 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -34.9 °C
  • Maximum temperature anomaly: 13.1 °C
  • Maximum temperature: -14.6 °C

Event center: -86.5°S 103.0°E

Area affected: 1252605 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_2020-Feb-28_to_2020-Mar-06_103.0_-86.5

Heat wave occuring from February 28 2020 to March 04 2020 at -73.5°S 346.5°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: February 28 2020 to March 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: -10.3 °C
  • Maximum temperature anomaly: 11.6 °C
  • Maximum temperature: -2.2 °C

Event center: -73.5°S 346.5°E

Area affected: 335033 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_2020-Feb-28_to_2020-Mar-04_346.5_-73.5

Cold spell occuring from February 27 2020 to March 06 2020 at -77.0°S 91.5°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: February 27 2020 to March 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -50.2 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: -55.8 °C

Event center: -77.0°S 91.5°E

Area affected: 182526 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_2020-Feb-27_to_2020-Mar-06_91.5_-77.0

Heat wave occuring from February 25 2020 to March 15 2020 at -45.5°S 197.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 20 days

Time span: February 25 2020 to March 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 10.3 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 24.0 °C

Event center: -45.5°S 197.5°E

Area affected: 8795508 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_2020-Feb-25_to_2020-Mar-15_197.5_-45.5

Heat wave occuring from February 24 2020 to March 10 2020 at -63.0°S 31.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 16 days

Time span: February 24 2020 to March 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 1.2 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 3.0 °C

Event center: -63.0°S 31.5°E

Area affected: 4398162 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_2020-Feb-24_to_2020-Mar-10_31.5_-63.0

Heat wave occuring from February 23 2020 to February 27 2020 at -80.0°S 191.0°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: February 23 2020 to February 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.4 °C
  • Mean temperature: -11.3 °C
  • Maximum temperature anomaly: 11.6 °C
  • Maximum temperature: -9.6 °C

Event center: -80.0°S 191.0°E

Area affected: 58212 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_2020-Feb-23_to_2020-Feb-27_191.0_-80.0

Cold spell occuring from February 21 2020 to February 23 2020 at -65.0°S 135.0°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: February 21 2020 to February 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: -5.5 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: -9.6 °C

Event center: -65.0°S 135.0°E

Area affected: 51468 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_2020-Feb-21_to_2020-Feb-23_135.0_-65.0

Cold spell occuring from February 19 2020 to March 03 2020 at -81.5°S 315.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 14 days

Time span: February 19 2020 to March 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: -35.0 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -51.5 °C

Event center: -81.5°S 315.5°E

Area affected: 936841 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_2020-Feb-19_to_2020-Mar-03_315.5_-81.5

Heat wave occuring from February 16 2020 to February 23 2020 at -63.0°S 96.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: February 16 2020 to February 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: -9.2 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 2.5 °C

Event center: -63.0°S 96.0°E

Area affected: 993992 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_2020-Feb-16_to_2020-Feb-23_96.0_-63.0