Category: Heat waves affecting South Africa

Heat wave occuring from July 20 2022 to August 02 2022 at -22.5°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 14 days

Time span: July 20 2022 to August 02 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 18.9 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 25.0 °C

Event center: -22.5°S 21.0°E

Area affected: 1214500 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-Jul-20_to_2022-Aug-02_21.0_-22.5

Heat wave occuring from July 16 2022 to July 19 2022 at -40.5°S 37.5°E

Download data: JSON

Event type: Heat wave

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

  • South Africa

Duration: 4 days

Time span: July 16 2022 to July 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 18.3 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 22.4 °C

Event center: -40.5°S 37.5°E

Area affected: 296710 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-Jul-16_to_2022-Jul-19_37.5_-40.5

Heat wave occuring from July 15 2022 to July 19 2022 at -33.0°S 21.5°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 5 days

Time span: July 15 2022 to July 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 17.1 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: 26.5 °C

Event center: -33.0°S 21.5°E

Area affected: 343334 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-Jul-15_to_2022-Jul-19_21.5_-33.0

Heat wave occuring from June 18 2022 to June 22 2022 at -28.5°S 27.5°E

Download data: JSON

Event type: Heat wave

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

  • Lesotho
  • South Africa

Duration: 5 days

Time span: June 18 2022 to June 22 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 10.4 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 15.1 °C

Event center: -28.5°S 27.5°E

Area affected: 76104 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-Jun-18_to_2022-Jun-22_27.5_-28.5

Heat wave occuring from May 28 2022 to June 20 2022 at -5.5°S 22.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Burundi
  • Central African Republic
  • Congo
  • Congo, The Democratic Republic of the
  • Gabon
  • Namibia
  • Rwanda
  • South Africa
  • South Sudan
  • Tanzania, United Republic of
  • Uganda

Duration: 24 days

Time span: May 28 2022 to June 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: 30.3 °C

Event center: -5.5°S 22.0°E

Area affected: 5955322 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-May-28_to_2022-Jun-20_22.0_-5.5

Heat wave occuring from May 23 2022 to July 09 2022 at -66.5°S 71.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Lesotho
  • Namibia
  • South Africa

Duration: 48 days

Time span: May 23 2022 to July 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -22.8 °C
  • Maximum temperature anomaly: 21.0 °C
  • Maximum temperature: 28.6 °C

Event center: -66.5°S 71.5°E

Area affected: 28946985 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-May-23_to_2022-Jul-09_71.5_-66.5

Heat wave occuring from May 16 2022 to May 18 2022 at -35.0°S 22.0°E

Download data: JSON

Event type: Heat wave

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

  • South Africa

Duration: 3 days

Time span: May 16 2022 to May 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 21.7 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 25.1 °C

Event center: -35.0°S 22.0°E

Area affected: 243242 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-May-16_to_2022-May-18_22.0_-35.0

Heat wave occuring from April 18 2022 to April 21 2022 at -28.5°S 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 4 days

Time span: April 18 2022 to April 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 30.2 °C

Event center: -28.5°S 16.5°E

Area affected: 90907 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-Apr-18_to_2022-Apr-21_16.5_-28.5

Heat wave occuring from April 09 2022 to April 26 2022 at -23.0°S 44.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Madagascar
  • Malawi
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 18 days

Time span: April 09 2022 to April 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 26.3 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 30.6 °C

Event center: -23.0°S 44.0°E

Area affected: 2874208 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-Apr-09_to_2022-Apr-26_44.0_-23.0

Heat wave occuring from March 17 2022 to March 23 2022 at -32.5°S 18.5°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 7 days

Time span: March 17 2022 to March 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 29.0 °C

Event center: -32.5°S 18.5°E

Area affected: 239777 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-Mar-17_to_2022-Mar-23_18.5_-32.5