Heat wave occuring from February 23 2023 to February 28 2023 at -26.0°S 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 6 days

Time span: February 23 2023 to February 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 32.4 °C

Event center: -26.0°S 16.5°E

Area affected: 153220 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_2023-Feb-23_to_2023-Feb-28_16.5_-26.0

Heat wave occuring from January 06 2023 to February 02 2023 at -44.5°S 30.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • French Southern Territories
  • Lesotho
  • Madagascar
  • Mozambique
  • Namibia
  • South Africa

Duration: 28 days

Time span: January 06 2023 to February 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 36.1 °C

Event center: -44.5°S 30.0°E

Area affected: 13158331 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_2023-Jan-06_to_2023-Feb-02_30.0_-44.5

Heat wave occuring from December 25 2022 to December 30 2022 at -20.5°S 26.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Zimbabwe

Duration: 6 days

Time span: December 25 2022 to December 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 30.6 °C

Event center: -20.5°S 26.5°E

Area affected: 55184 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_2022-Dec-25_to_2022-Dec-30_26.5_-20.5

Heat wave occuring from December 17 2022 to December 31 2022 at -14.5°S 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 15 days

Time span: December 17 2022 to December 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 31.4 °C

Event center: -14.5°S 15.0°E

Area affected: 736312 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_2022-Dec-17_to_2022-Dec-31_15.0_-14.5

Heat wave occuring from November 27 2022 to December 04 2022 at -42.5°S 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa

Duration: 8 days

Time span: November 27 2022 to December 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 8.8 °C
  • Maximum temperature: 32.6 °C

Event center: -42.5°S 49.5°E

Area affected: 2004041 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_2022-Nov-27_to_2022-Dec-04_49.5_-42.5

Heat wave occuring from November 15 2022 to November 23 2022 at -16.5°S 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 9 days

Time span: November 15 2022 to November 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 32.2 °C

Event center: -16.5°S 16.0°E

Area affected: 420251 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_2022-Nov-15_to_2022-Nov-23_16.0_-16.5

Heat wave occuring from September 15 2022 to November 01 2022 at -30.0°S 46.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Madagascar
  • Mozambique
  • Namibia
  • South Africa
  • Zimbabwe

Duration: 48 days

Time span: September 15 2022 to November 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 31.5 °C

Event center: -30.0°S 46.0°E

Area affected: 8243285 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_2022-Sep-15_to_2022-Nov-01_46.0_-30.0

Heat wave occuring from September 06 2022 to September 11 2022 at -15.0°S 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia
  • South Africa

Duration: 6 days

Time span: September 06 2022 to September 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 25.4 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 29.4 °C

Event center: -15.0°S 15.5°E

Area affected: 417060 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_2022-Sep-06_to_2022-Sep-11_15.5_-15.0

Heat wave occuring from August 29 2022 to September 04 2022 at -21.5°S 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 7 days

Time span: August 29 2022 to September 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 23.4 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 26.2 °C

Event center: -21.5°S 16.0°E

Area affected: 200989 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_2022-Aug-29_to_2022-Sep-04_16.0_-21.5

Heat wave occuring from August 04 2022 to August 09 2022 at -24.5°S 29.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 6 days

Time span: August 04 2022 to August 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 21.1 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 24.7 °C

Event center: -24.5°S 29.5°E

Area affected: 407944 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_2022-Aug-04_to_2022-Aug-09_29.5_-24.5