Category: Extremes affecting South Africa

Cold spell occuring from April 15 2022 to April 25 2022 at -16.0°S 18.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 11 days

Time span: April 15 2022 to April 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 18.3 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 5.7 °C

Event center: -16.0°S 18.0°E

Area affected: 2164666 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_2022-Apr-15_to_2022-Apr-25_18.0_-16.0

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

Cold spell occuring from March 25 2022 to April 18 2022 at -15.0°S 12.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Namibia
  • South Africa

Duration: 25 days

Time span: March 25 2022 to April 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 4.6 °C

Event center: -15.0°S 12.0°E

Area affected: 1777953 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_2022-Mar-25_to_2022-Apr-18_12.0_-15.0

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

Cold spell occuring from March 14 2022 to March 16 2022 at -28.5°S 24.5°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 3 days

Time span: March 14 2022 to March 16 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 15.6 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 11.6 °C

Event center: -28.5°S 24.5°E

Area affected: 50907 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_2022-Mar-14_to_2022-Mar-16_24.5_-28.5

Cold spell occuring from March 13 2022 to March 24 2022 at -25.5°S 19.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 12 days

Time span: March 13 2022 to March 24 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 20.9 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: 9.8 °C

Event center: -25.5°S 19.5°E

Area affected: 3257321 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_2022-Mar-13_to_2022-Mar-24_19.5_-25.5

Cold spell occuring from March 04 2022 to March 10 2022 at -23.5°S 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 7 days

Time span: March 04 2022 to March 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 21.4 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 17.3 °C

Event center: -23.5°S 22.5°E

Area affected: 355011 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_2022-Mar-04_to_2022-Mar-10_22.5_-23.5

Cold spell occuring from March 01 2022 to March 05 2022 at -26.5°S 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Namibia
  • South Africa

Duration: 5 days

Time span: March 01 2022 to March 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 16.9 °C

Event center: -26.5°S 16.0°E

Area affected: 52315 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_2022-Mar-01_to_2022-Mar-05_16.0_-26.5

Heat wave occuring from January 30 2022 to February 03 2022 at -35.0°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: January 30 2022 to February 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 23.2 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 28.4 °C

Event center: -35.0°S 25.0°E

Area affected: 804903 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-Jan-30_to_2022-Feb-03_25.0_-35.0

Cold spell occuring from January 29 2022 to February 04 2022 at -25.5°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: 7 days

Time span: January 29 2022 to February 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 22.7 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 19.1 °C

Event center: -25.5°S 17.5°E

Area affected: 481499 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_2022-Jan-29_to_2022-Feb-04_17.5_-25.5