Category: Heat waves affecting South Africa

8 heat waves identified in South Africa since 2020

Heat wave occuring from September 11 2010 to September 13 2010 at -28.0°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: 3 days

Time span: September 11 2010 to September 13 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: 28.1 °C

Event center: -28.0°S 16.5°E

Area affected: 52222 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_2010-Sep-11_to_2010-Sep-13_16.5_-28.0

Heat wave occuring from August 30 2010 to September 01 2010 at -31.5°S 28.0°E

Download data: JSON

Event type: Heat wave

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

  • Lesotho
  • South Africa

Duration: 3 days

Time span: August 30 2010 to September 01 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 18.7 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 22.8 °C

Event center: -31.5°S 28.0°E

Area affected: 93096 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_2010-Aug-30_to_2010-Sep-01_28.0_-31.5

Heat wave occuring from August 10 2010 to August 13 2010 at -29.0°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: August 10 2010 to August 13 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 17.5 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 20.7 °C

Event center: -29.0°S 16.5°E

Area affected: 50998 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_2010-Aug-10_to_2010-Aug-13_16.5_-29.0

Heat wave occuring from July 23 2010 to August 08 2010 at -31.0°S 19.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 17 days

Time span: July 23 2010 to August 08 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 17.8 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 23.6 °C

Event center: -31.0°S 19.5°E

Area affected: 910524 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_2010-Jul-23_to_2010-Aug-08_19.5_-31.0

Heat wave occuring from July 01 2010 to July 10 2010 at -30.0°S 24.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 10 days

Time span: July 01 2010 to July 10 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 15.4 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 22.5 °C

Event center: -30.0°S 24.0°E

Area affected: 574465 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_2010-Jul-01_to_2010-Jul-10_24.0_-30.0

Heat wave occuring from June 12 2010 to June 15 2010 at -24.5°S 34.0°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique
  • South Africa

Duration: 4 days

Time span: June 12 2010 to June 15 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 23.0 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 25.6 °C

Event center: -24.5°S 34.0°E

Area affected: 470722 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_2010-Jun-12_to_2010-Jun-15_34.0_-24.5

Heat wave occuring from May 31 2010 to June 02 2010 at -31.0°S 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 3 days

Time span: May 31 2010 to June 02 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 19.6 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 24.9 °C

Event center: -31.0°S 17.5°E

Area affected: 77019 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_2010-May-31_to_2010-Jun-02_17.5_-31.0

Heat wave occuring from May 24 2010 to May 27 2010 at -30.5°S 23.0°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: May 24 2010 to May 27 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 18.9 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 22.1 °C

Event center: -30.5°S 23.0°E

Area affected: 173093 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_2010-May-24_to_2010-May-27_23.0_-30.5

Heat wave occuring from May 13 2010 to May 17 2010 at -27.0°S 25.0°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: May 13 2010 to May 17 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 15.3 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 18.8 °C

Event center: -27.0°S 25.0°E

Area affected: 84877 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_2010-May-13_to_2010-May-17_25.0_-27.0

Heat wave occuring from April 12 2010 to April 17 2010 at -29.5°S 29.0°E

Download data: JSON

Event type: Heat wave

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

  • Lesotho
  • South Africa

Duration: 6 days

Time span: April 12 2010 to April 17 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 18.1 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 21.7 °C

Event center: -29.5°S 29.0°E

Area affected: 159692 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_2010-Apr-12_to_2010-Apr-17_29.0_-29.5