Category: Extremes affecting South Africa

Heat wave occuring from July 03 2024 to July 05 2024 at -23.0°S 32.0°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique
  • South Africa

Duration: 3 days

Time span: July 03 2024 to July 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 21.4 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 24.2 °C

Event center: -23.0°S 32.0°E

Area affected: 54162 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_2024-Jul-03_to_2024-Jul-05_32.0_-23.0

Heat wave occuring from June 28 2024 to July 06 2024 at -27.5°S 26.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 9 days

Time span: June 28 2024 to July 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 16.4 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 20.4 °C

Event center: -27.5°S 26.5°E

Area affected: 434645 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_2024-Jun-28_to_2024-Jul-06_26.5_-27.5

Cold spell occuring from June 08 2024 to June 12 2024 at -22.0°S 28.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 5 days

Time span: June 08 2024 to June 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 12.3 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 8.8 °C

Event center: -22.0°S 28.0°E

Area affected: 227303 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_2024-Jun-08_to_2024-Jun-12_28.0_-22.0

Heat wave occuring from June 04 2024 to June 18 2024 at -12.5°S 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Namibia
  • South Africa

Duration: 15 days

Time span: June 04 2024 to June 18 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 18.9 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 28.1 °C

Event center: -12.5°S 15.0°E

Area affected: 1011619 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_2024-Jun-04_to_2024-Jun-18_15.0_-12.5

Cold spell occuring from June 02 2024 to June 04 2024 at -23.5°S 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 3 days

Time span: June 02 2024 to June 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 9.0 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 6.0 °C

Event center: -23.5°S 17.5°E

Area affected: 53570 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_2024-Jun-02_to_2024-Jun-04_17.5_-23.5

Cold spell occuring from May 30 2024 to June 07 2024 at -18.5°S 13.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Namibia
  • South Africa

Duration: 9 days

Time span: May 30 2024 to June 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 12.8 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: 3.2 °C

Event center: -18.5°S 13.0°E

Area affected: 614007 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_2024-May-30_to_2024-Jun-07_13.0_-18.5

Cold spell occuring from April 09 2024 to April 14 2024 at -34.0°S 26.0°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 6 days

Time span: April 09 2024 to April 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 14.0 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: 10.7 °C

Event center: -34.0°S 26.0°E

Area affected: 54290 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_2024-Apr-09_to_2024-Apr-14_26.0_-34.0

Cold spell occuring from April 08 2024 to April 12 2024 at -30.0°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa

Duration: 5 days

Time span: April 08 2024 to April 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 14.7 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 10.5 °C

Event center: -30.0°S 23.0°E

Area affected: 153451 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_2024-Apr-08_to_2024-Apr-12_23.0_-30.0

Cold spell occuring from April 05 2024 to April 26 2024 at -34.0°S 18.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • South Africa

Duration: 22 days

Time span: April 05 2024 to April 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 15.9 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: 9.7 °C

Event center: -34.0°S 18.0°E

Area affected: 811302 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_2024-Apr-05_to_2024-Apr-26_18.0_-34.0

Cold spell occuring from February 25 2024 to February 29 2024 at -26.5°S 30.5°E

Download data: JSON

Event type: Cold spell

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

  • Eswatini
  • Mozambique
  • South Africa

Duration: 5 days

Time span: February 25 2024 to February 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 19.7 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 10.9 °C

Event center: -26.5°S 30.5°E

Area affected: 746039 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_2024-Feb-25_to_2024-Feb-29_30.5_-26.5