Heat wave occuring from August 04 2024 to August 13 2024 at 23.0°N 5.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 10 days

Time span: August 04 2024 to August 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 35.1 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 38.0 °C

Event center: 23.0°N 5.5°E

Area affected: 215257 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-Aug-04_to_2024-Aug-13_5.5_23.0

Cold spell occuring from July 27 2024 to September 29 2024 at 17.0°N 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Chad
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Kenya
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • Saudi Arabia
  • Somalia
  • South Sudan
  • Sudan
  • Yemen

Duration: 65 days

Time span: July 27 2024 to September 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 27.3 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: 11.9 °C

Event center: 17.0°N 20.5°E

Area affected: 6751188 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-Jul-27_to_2024-Sep-29_20.5_17.0

Heat wave occuring from April 12 2024 to April 16 2024 at 18.0°N 13.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger

Duration: 5 days

Time span: April 12 2024 to April 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 32.8 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 34.3 °C

Event center: 18.0°N 13.5°E

Area affected: 134463 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-Apr-12_to_2024-Apr-16_13.5_18.0

Cold spell occuring from April 12 2024 to April 17 2024 at 25.0°N 4.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Mali
  • Mauritania
  • Niger

Duration: 6 days

Time span: April 12 2024 to April 17 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: 17.6 °C

Event center: 17.5°N 359.0°E

Area affected: 1859720 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-12_to_2024-Apr-17_4.0_25.0

Cold spell occuring from September 30 2023 to October 12 2023 at 21.5°N 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Chad
  • Libya
  • Niger

Duration: 13 days

Time span: September 30 2023 to October 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 22.1 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: 14.2 °C

Event center: 21.5°N 17.5°E

Area affected: 440371 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-Sep-30_to_2023-Oct-12_17.5_21.5

Cold spell occuring from September 30 2023 to October 04 2023 at 14.5°N 11.5°E

Download data: JSON

Event type: Cold spell

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

  • Niger

Duration: 5 days

Time span: September 30 2023 to October 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 24.5 °C

Event center: 14.5°N 11.5°E

Area affected: 107720 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-Sep-30_to_2023-Oct-04_11.5_14.5

Heat wave occuring from June 28 2023 to July 03 2023 at 16.5°N 12.0°E

Download data: JSON

Event type: Heat wave

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

  • Niger

Duration: 6 days

Time span: June 28 2023 to July 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 34.4 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 35.3 °C

Event center: 16.5°N 12.0°E

Area affected: 56512 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_2023-Jun-28_to_2023-Jul-03_12.0_16.5

Heat wave occuring from June 17 2023 to June 20 2023 at 19.0°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 4 days

Time span: June 17 2023 to June 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 37.9 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 39.7 °C

Event center: 19.0°N 7.0°E

Area affected: 96113 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_2023-Jun-17_to_2023-Jun-20_7.0_19.0

Heat wave occuring from June 12 2023 to June 20 2023 at 17.5°N 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Libya
  • Niger
  • Sudan

Duration: 9 days

Time span: June 12 2023 to June 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 35.2 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 38.3 °C

Event center: 17.5°N 15.5°E

Area affected: 734902 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_2023-Jun-12_to_2023-Jun-20_15.5_17.5

Cold spell occuring from June 05 2023 to June 16 2023 at 13.5°N 24.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Mali
  • Niger
  • Nigeria
  • Sudan

Duration: 12 days

Time span: June 05 2023 to June 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 29.0 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 21.1 °C

Event center: 13.5°N 24.5°E

Area affected: 1201591 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-Jun-05_to_2023-Jun-16_24.5_13.5