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 June 12 2024 to June 15 2024 at 9.0°N 8.0°E

Download data: JSON

Event type: Heat wave

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

  • Nigeria

Duration: 4 days

Time span: June 12 2024 to June 15 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 32.9 °C

Event center: 9.0°N 8.0°E

Area affected: 155750 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-Jun-12_to_2024-Jun-15_8.0_9.0

Heat wave occuring from December 19 2023 to December 22 2023 at 11.0°N 14.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 4 days

Time span: December 19 2023 to December 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 28.6 °C

Event center: 11.0°N 14.5°E

Area affected: 54732 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-Dec-19_to_2023-Dec-22_14.5_11.0

Heat wave occuring from June 30 2023 to July 04 2023 at 11.5°N 9.5°E

Download data: JSON

Event type: Heat wave

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

  • Nigeria

Duration: 5 days

Time span: June 30 2023 to July 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 29.8 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 32.1 °C

Event center: 11.5°N 9.5°E

Area affected: 63595 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-30_to_2023-Jul-04_9.5_11.5

Heat wave occuring from June 16 2023 to June 19 2023 at 9.0°N 4.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Nigeria
  • Togo

Duration: 4 days

Time span: June 16 2023 to June 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 32.4 °C

Event center: 9.0°N 4.5°E

Area affected: 103531 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-16_to_2023-Jun-19_4.5_9.0

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

Heat wave occuring from May 30 2023 to June 06 2023 at 8.0°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Cameroon
  • Nigeria
  • Togo

Duration: 8 days

Time span: May 30 2023 to June 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 31.3 °C

Event center: 8.0°N 7.0°E

Area affected: 241980 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-May-30_to_2023-Jun-06_7.0_8.0

Heat wave occuring from May 07 2023 to May 10 2023 at 9.0°N 13.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 4 days

Time span: May 07 2023 to May 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 34.4 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 36.1 °C

Event center: 9.0°N 13.5°E

Area affected: 79152 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-May-07_to_2023-May-10_13.5_9.0

Heat wave occuring from April 06 2023 to April 10 2023 at 13.5°N 14.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 5 days

Time span: April 06 2023 to April 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 34.0 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 38.0 °C

Event center: 13.5°N 14.0°E

Area affected: 210947 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-Apr-06_to_2023-Apr-10_14.0_13.5

Cold spell occuring from March 20 2023 to April 05 2023 at 9.0°N 9.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Nigeria

Duration: 17 days

Time span: March 20 2023 to April 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 27.9 °C
  • Minimum temperature anomaly: -7.5 °C
  • Minimum temperature: 19.2 °C

Event center: 9.0°N 9.5°E

Area affected: 456583 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-Mar-20_to_2023-Apr-05_9.5_9.0