Category: Extremes affecting Antarctica

Cold spell occuring from May 20 2020 to May 23 2020 at -71.0°S 344.5°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: May 20 2020 to May 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.2 °C
  • Mean temperature: -22.5 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: -26.5 °C

Event center: -71.0°S 344.5°E

Area affected: 82383 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-May-20_to_2020-May-23_344.5_-71.0

Heat wave occuring from May 20 2020 to May 23 2020 at -70.0°S 68.0°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 20 2020 to May 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 10.4 °C
  • Mean temperature: -18.3 °C
  • Maximum temperature anomaly: 17.3 °C
  • Maximum temperature: -9.4 °C

Event center: -70.0°S 68.0°E

Area affected: 76651 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-May-20_to_2020-May-23_68.0_-70.0

Cold spell occuring from May 19 2020 to May 28 2020 at -80.5°S 332.0°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: May 19 2020 to May 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.8 °C
  • Mean temperature: -40.9 °C
  • Minimum temperature anomaly: -15.7 °C
  • Minimum temperature: -55.7 °C

Event center: -80.5°S 332.0°E

Area affected: 529971 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-May-19_to_2020-May-28_332.0_-80.5

Cold spell occuring from May 16 2020 to May 20 2020 at -75.0°S 349.0°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: May 16 2020 to May 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.9 °C
  • Mean temperature: -48.8 °C
  • Minimum temperature anomaly: -13.9 °C
  • Minimum temperature: -55.7 °C

Event center: -75.0°S 349.0°E

Area affected: 63398 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-May-16_to_2020-May-20_349.0_-75.0

Heat wave occuring from May 15 2020 to May 19 2020 at -89.0°S 280.0°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: May 15 2020 to May 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.4 °C
  • Mean temperature: -42.1 °C
  • Maximum temperature anomaly: 13.0 °C
  • Maximum temperature: -25.9 °C

Event center: -89.0°S 280.0°E

Area affected: 288654 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-May-15_to_2020-May-19_280.0_-89.0

Heat wave occuring from May 15 2020 to May 27 2020 at -77.0°S 278.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 13 days

Time span: May 15 2020 to May 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.9 °C
  • Mean temperature: -19.3 °C
  • Maximum temperature anomaly: 20.7 °C
  • Maximum temperature: -1.5 °C

Event center: -77.0°S 278.0°E

Area affected: 1308640 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-May-15_to_2020-May-27_278.0_-77.0

Cold spell occuring from May 14 2020 to June 08 2021 at -14.5°S 251.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Ecuador
  • French Polynesia
  • Paraguay
  • Peru
  • Uruguay

Duration: 391 days

Time span: May 14 2020 to June 08 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -13.3 °C
  • Minimum temperature: -28.1 °C

Event center: -14.5°S 251.0°E

Area affected: 46631849 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-May-14_to_2021-Jun-08_251.0_-14.5

Heat wave occuring from May 12 2020 to May 15 2020 at -77.5°S 310.5°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 12 2020 to May 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.6 °C
  • Mean temperature: -12.8 °C
  • Maximum temperature anomaly: 14.8 °C
  • Maximum temperature: -7.4 °C

Event center: -77.5°S 310.5°E

Area affected: 187355 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-May-12_to_2020-May-15_310.5_-77.5

Cold spell occuring from May 12 2020 to May 17 2020 at -69.5°S 292.5°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: May 12 2020 to May 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.6 °C
  • Mean temperature: -23.3 °C
  • Minimum temperature anomaly: -15.9 °C
  • Minimum temperature: -32.3 °C

Event center: -69.5°S 292.5°E

Area affected: 181304 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-May-12_to_2020-May-17_292.5_-69.5

Heat wave occuring from May 09 2020 to May 17 2020 at -55.5°S 181.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 9 days

Time span: May 09 2020 to May 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 5.0 °C
  • Maximum temperature anomaly: 11.9 °C
  • Maximum temperature: 11.8 °C

Event center: -55.5°S 181.5°E

Area affected: 3049925 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-May-09_to_2020-May-17_181.5_-55.5