Category: Extremes affecting Mali

Heat wave occuring from September 22 2025 to October 08 2025 at 21.0°N 2.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Mauritania
  • Niger

Duration: 17 days

Time span: September 22 2025 to October 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 33.3 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 37.5 °C

Event center: 21.0°N 2.5°E

Area affected: 1172231 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-Sep-22_to_2025-Oct-08_2.5_21.0

Cold spell occuring from September 04 2025 to September 06 2025 at 21.0°N 1.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali

Duration: 3 days

Time span: September 04 2025 to September 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 31.5 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 28.0 °C

Event center: 21.0°N 1.5°E

Area affected: 181147 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-Sep-04_to_2025-Sep-06_1.5_21.0

Cold spell occuring from August 30 2025 to September 07 2025 at 17.0°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Mali
  • Niger

Duration: 9 days

Time span: August 30 2025 to September 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 27.6 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 24.0 °C

Event center: 17.0°N 9.0°E

Area affected: 609453 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-Aug-30_to_2025-Sep-07_9.0_17.0

Heat wave occuring from August 22 2025 to September 09 2025 at 27.0°N 7.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Chad
  • Egypt
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Sudan
  • Tunisia

Duration: 19 days

Time span: August 22 2025 to September 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 34.3 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 40.9 °C

Event center: 27.0°N 7.5°E

Area affected: 3624846 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-Aug-22_to_2025-Sep-09_7.5_27.0

Cold spell occuring from August 20 2025 to August 22 2025 at 17.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania

Duration: 3 days

Time span: August 20 2025 to August 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 25.6 °C

Event center: 17.0°N 349.0°E

Area affected: 62350 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-Aug-20_to_2025-Aug-22_349.0_17.0

Cold spell occuring from August 14 2025 to August 17 2025 at 17.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 4 days

Time span: August 14 2025 to August 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 24.5 °C

Event center: 17.0°N 349.0°E

Area affected: 193393 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-Aug-14_to_2025-Aug-17_349.0_17.0

Cold spell occuring from July 31 2025 to August 02 2025 at 14.5°N 356.5°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Mali

Duration: 3 days

Time span: July 31 2025 to August 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 24.4 °C

Event center: 14.5°N 356.5°E

Area affected: 77688 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-Jul-31_to_2025-Aug-02_356.5_14.5

Cold spell occuring from July 13 2025 to July 15 2025 at 19.5°N 359.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali

Duration: 3 days

Time span: July 13 2025 to July 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 33.4 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 30.6 °C

Event center: 19.5°N 359.0°E

Area affected: 101263 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-Jul-13_to_2025-Jul-15_359.0_19.5

Cold spell occuring from July 12 2025 to July 16 2025 at 17.0°N 359.5°E

Download data: JSON

Event type: Cold spell

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

  • Mali

Duration: 5 days

Time span: July 12 2025 to July 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 28.4 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 26.9 °C

Event center: 17.0°N 359.5°E

Area affected: 65060 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-Jul-12_to_2025-Jul-16_359.5_17.0

Cold spell occuring from July 12 2025 to July 17 2025 at 17.5°N 347.5°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: July 12 2025 to July 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 29.2 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 24.9 °C

Event center: 17.5°N 347.5°E

Area affected: 364051 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-Jul-12_to_2025-Jul-17_347.5_17.5