Category: Heat waves affecting Guinea

Heat wave occuring from May 06 2025 to May 16 2025 at 8.0°N 351.0°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Liberia
  • Sierra Leone

Duration: 11 days

Time span: May 06 2025 to May 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 29.1 °C

Event center: 8.0°N 351.0°E

Area affected: 383810 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-May-06_to_2025-May-16_351.0_8.0

Heat wave occuring from March 28 2025 to April 15 2025 at 7.5°N 348.0°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Liberia
  • Mali
  • Sierra Leone

Duration: 19 days

Time span: March 28 2025 to April 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 34.4 °C

Event center: 7.5°N 348.0°E

Area affected: 511511 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-Mar-28_to_2025-Apr-15_348.0_7.5

Heat wave occuring from March 24 2025 to April 02 2025 at 11.5°N 350.0°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Mali

Duration: 10 days

Time span: March 24 2025 to April 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 33.7 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 37.6 °C

Event center: 11.5°N 350.0°E

Area affected: 69451 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-Mar-24_to_2025-Apr-02_350.0_11.5

Heat wave occuring from September 02 2024 to September 04 2024 at 11.5°N 348.0°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Mali

Duration: 3 days

Time span: September 02 2024 to September 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 27.0 °C

Event center: 11.5°N 348.0°E

Area affected: 75886 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-02_to_2024-Sep-04_348.0_11.5

Heat wave occuring from August 08 2024 to August 13 2024 at 12.0°N 348.0°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Mali
  • Senegal

Duration: 6 days

Time span: August 08 2024 to August 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 29.4 °C

Event center: 12.0°N 348.0°E

Area affected: 72305 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-08_to_2024-Aug-13_348.0_12.0

Heat wave occuring from August 19 2023 to August 21 2023 at 12.0°N 347.0°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Guinea-Bissau
  • Mali
  • Senegal

Duration: 3 days

Time span: August 19 2023 to August 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 28.6 °C

Event center: 12.0°N 347.0°E

Area affected: 60330 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-Aug-19_to_2023-Aug-21_347.0_12.0

Heat wave occuring from July 02 2023 to July 07 2023 at 11.0°N 353.5°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Guinea
  • Mali

Duration: 6 days

Time span: July 02 2023 to July 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 29.5 °C

Event center: 11.0°N 353.5°E

Area affected: 63798 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-Jul-02_to_2023-Jul-07_353.5_11.0

Heat wave occuring from April 09 2023 to April 29 2023 at 8.0°N 351.5°E

Download data: JSON

Event type: Heat wave

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

  • Burkina Faso
  • Côte d’Ivoire
  • Guinea
  • Liberia
  • Mali
  • Sierra Leone

Duration: 21 days

Time span: April 09 2023 to April 29 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 34.7 °C

Event center: 8.0°N 351.5°E

Area affected: 434185 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-09_to_2023-Apr-29_351.5_8.0

Heat wave occuring from April 04 2023 to April 06 2023 at 7.5°N 349.0°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Liberia
  • Sierra Leone

Duration: 3 days

Time span: April 04 2023 to April 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.3 °C

Event center: 7.5°N 349.0°E

Area affected: 64326 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-04_to_2023-Apr-06_349.0_7.5

Heat wave occuring from March 24 2023 to March 28 2023 at 7.5°N 349.0°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Guinea
  • Liberia
  • Sierra Leone

Duration: 5 days

Time span: March 24 2023 to March 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 30.0 °C

Event center: 7.5°N 349.0°E

Area affected: 58230 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-Mar-24_to_2023-Mar-28_349.0_7.5