Author: WEXA

Heat wave occuring from September 22 2020 to October 02 2020 at -44.5°S 322.5°E

Download data: JSON

Event type: Heat wave

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

  • Falkland Islands
  • South Georgia and the South Sandwich Islands

Duration: 11 days

Time span: September 22 2020 to October 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 6.8 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 15.3 °C

Event center: -44.5°S 322.5°E

Area affected: 1946434 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-Sep-22_to_2020-Oct-02_322.5_-44.5

Cold spell occuring from July 30 2020 to August 01 2020 at -56.0°S 332.5°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 3 days

Time span: July 30 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: -6.8 °C
  • Minimum temperature anomaly: -12.6 °C
  • Minimum temperature: -19.0 °C

Event center: -56.0°S 332.5°E

Area affected: 300678 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-Jul-30_to_2020-Aug-01_332.5_-56.0

Cold spell occuring from July 26 2020 to July 31 2020 at -58.5°S 318.5°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 6 days

Time span: July 26 2020 to July 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.9 °C
  • Mean temperature: -16.2 °C
  • Minimum temperature anomaly: -13.7 °C
  • Minimum temperature: -24.5 °C

Event center: -58.5°S 318.5°E

Area affected: 436116 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-Jul-26_to_2020-Jul-31_318.5_-58.5

Cold spell occuring from June 27 2020 to July 08 2020 at -58.5°S 323.5°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 12 days

Time span: June 27 2020 to July 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: -1.7 °C
  • Minimum temperature anomaly: -12.1 °C
  • Minimum temperature: -19.3 °C

Event center: -58.5°S 323.5°E

Area affected: 1999087 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-Jun-27_to_2020-Jul-08_323.5_-58.5

Heat wave occuring from May 07 2020 to May 10 2020 at -43.0°S 299.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina

Duration: 4 days

Time span: May 07 2020 to May 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 15.0 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 17.9 °C

Event center: -43.0°S 299.5°E

Area affected: 288444 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-07_to_2020-May-10_299.5_-43.0

Cold spell occuring from March 21 2026 to March 25 2026 at -13.0°S 132.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 5 days

Time span: March 21 2026 to March 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 23.4 °C

Event center: -13.0°S 132.0°E

Area affected: 93425 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_2026-Mar-21_to_2026-Mar-25_132.0_-13.0

Cold spell occuring from March 20 2026 to March 23 2026 at 28.0°N 82.0°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Nepal

Duration: 4 days

Time span: March 20 2026 to March 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 12.3 °C

Event center: 28.0°N 82.0°E

Area affected: 60676 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_2026-Mar-20_to_2026-Mar-23_82.0_28.0

Cold spell occuring from March 20 2026 to March 25 2026 at 18.0°N 43.0°E

Download data: JSON

Event type: Cold spell

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

  • Saudi Arabia
  • Yemen

Duration: 6 days

Time span: March 20 2026 to March 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 18.6 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 12.7 °C

Event center: 18.0°N 43.0°E

Area affected: 106331 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_2026-Mar-20_to_2026-Mar-25_43.0_18.0

Cold spell occuring from March 20 2026 to March 23 2026 at 11.5°N 15.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 4 days

Time span: March 20 2026 to March 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 29.7 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 28.0 °C

Event center: 11.5°N 15.5°E

Area affected: 87946 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_2026-Mar-20_to_2026-Mar-23_15.5_11.5

Cold spell occuring from March 18 2026 to March 25 2026 at 2.0°N 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Uganda

Duration: 8 days

Time span: March 18 2026 to March 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 17.6 °C

Event center: 2.0°N 36.5°E

Area affected: 101886 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_2026-Mar-18_to_2026-Mar-25_36.5_2.0