Cold spell occuring from February 10 2025 to February 21 2025 at -24.5°S 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Mozambique
  • Namibia
  • South Africa
  • Zimbabwe

Duration: 12 days

Time span: February 10 2025 to February 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 15.1 °C

Event center: -24.5°S 24.0°E

Area affected: 649816 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_2025-Feb-10_to_2025-Feb-21_24.0_-24.5

Heat wave occuring from January 31 2025 to February 11 2025 at -17.5°S 29.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Namibia
  • Zambia
  • Zimbabwe

Duration: 12 days

Time span: January 31 2025 to February 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 29.9 °C

Event center: -17.5°S 29.0°E

Area affected: 466831 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_2025-Jan-31_to_2025-Feb-11_29.0_-17.5

Heat wave occuring from January 18 2025 to February 11 2025 at -28.0°S 26.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Mozambique
  • Namibia
  • South Africa
  • Zimbabwe

Duration: 25 days

Time span: January 18 2025 to February 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 34.7 °C

Event center: -28.0°S 26.0°E

Area affected: 963026 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_2025-Jan-18_to_2025-Feb-11_26.0_-28.0

Cold spell occuring from January 13 2025 to January 18 2025 at -21.0°S 26.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 6 days

Time span: January 13 2025 to January 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 18.1 °C

Event center: -21.0°S 26.5°E

Area affected: 132035 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_2025-Jan-13_to_2025-Jan-18_26.5_-21.0

Heat wave occuring from November 01 2024 to November 06 2024 at -26.5°S 29.0°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: November 01 2024 to November 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 32.8 °C

Event center: -26.5°S 29.0°E

Area affected: 612660 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-Nov-01_to_2024-Nov-06_29.0_-26.5

Heat wave occuring from October 19 2024 to November 04 2024 at -13.0°S 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Mozambique
  • Namibia
  • Zambia
  • Zimbabwe

Duration: 17 days

Time span: October 19 2024 to November 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 34.0 °C

Event center: -13.0°S 15.0°E

Area affected: 1160795 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-Oct-19_to_2024-Nov-04_15.0_-13.0

Cold spell occuring from September 28 2024 to October 08 2024 at -11.5°S 30.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Eswatini
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 11 days

Time span: September 28 2024 to October 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: 3.2 °C

Event center: -11.5°S 30.5°E

Area affected: 4085961 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-Sep-28_to_2024-Oct-08_30.5_-11.5

Heat wave occuring from September 21 2024 to October 01 2024 at -17.5°S 27.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 11 days

Time span: September 21 2024 to October 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 33.9 °C

Event center: -17.5°S 27.0°E

Area affected: 1470916 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-Sep-21_to_2024-Oct-01_27.0_-17.5

Cold spell occuring from September 19 2024 to September 25 2024 at -29.5°S 29.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Eswatini
  • Lesotho
  • Malawi
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 7 days

Time span: September 19 2024 to September 25 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 15.6 °C
  • Minimum temperature anomaly: -15.9 °C
  • Minimum temperature: -2.2 °C

Event center: -29.5°S 29.0°E

Area affected: 2134214 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-Sep-19_to_2024-Sep-25_29.0_-29.5

Cold spell occuring from August 29 2024 to September 06 2024 at -12.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Eswatini
  • Malawi
  • Mozambique
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 9 days

Time span: August 29 2024 to September 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 19.1 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 6.0 °C

Event center: -12.0°S 32.0°E

Area affected: 1925880 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-Aug-29_to_2024-Sep-06_32.0_-12.0