Cold spell occuring from April 30 2025 to May 14 2025 at -19.5°S 17.0°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
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 15 days

Time span: April 30 2025 to May 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: 3.1 °C

Event center: -19.5°S 17.0°E

Area affected: 4054624 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-Apr-30_to_2025-May-14_17.0_-19.5

Cold spell occuring from November 28 2024 to December 09 2024 at -6.5°S 35.5°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Tanzania, United Republic of
  • Zambia

Duration: 12 days

Time span: November 28 2024 to December 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 15.2 °C

Event center: -6.5°S 35.5°E

Area affected: 251710 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-Nov-28_to_2024-Dec-09_35.5_-6.5

Cold spell occuring from October 16 2024 to October 20 2024 at -13.0°S 38.0°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of

Duration: 5 days

Time span: October 16 2024 to October 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 17.2 °C

Event center: -13.0°S 38.0°E

Area affected: 356008 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-Oct-16_to_2024-Oct-20_38.0_-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

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

Cold spell occuring from August 17 2024 to August 26 2024 at -5.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 10 days

Time span: August 17 2024 to August 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 22.4 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 19.6 °C

Event center: -5.0°S 32.0°E

Area affected: 79921 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-17_to_2024-Aug-26_32.0_-5.0

Cold spell occuring from August 01 2024 to August 09 2024 at -6.0°S 32.5°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 9 days

Time span: August 01 2024 to August 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 18.9 °C

Event center: -6.0°S 32.5°E

Area affected: 55349 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-01_to_2024-Aug-09_32.5_-6.0

Cold spell occuring from June 20 2024 to July 02 2024 at -4.0°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Kenya
  • Tanzania, United Republic of
  • Zambia

Duration: 13 days

Time span: June 20 2024 to July 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 13.5 °C

Event center: -4.0°S 34.0°E

Area affected: 810251 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-20_to_2024-Jul-02_34.0_-4.0

Cold spell occuring from June 09 2024 to June 19 2024 at -10.5°S 31.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Malawi
  • Mozambique
  • Tanzania, United Republic of
  • Zambia

Duration: 11 days

Time span: June 09 2024 to June 19 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 17.5 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 11.1 °C

Event center: -10.5°S 31.5°E

Area affected: 1148153 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-09_to_2024-Jun-19_31.5_-10.5

Cold spell occuring from November 15 2023 to November 18 2023 at -4.5°S 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Tanzania, United Republic of

Duration: 4 days

Time span: November 15 2023 to November 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 22.4 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 18.8 °C

Event center: -4.5°S 36.5°E

Area affected: 70816 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_2023-Nov-15_to_2023-Nov-18_36.5_-4.5