Category: Extremes affecting Guinea

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

Cold spell occuring from March 18 2023 to March 28 2023 at 10.5°N 346.5°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Guinea-Bissau
  • Senegal
  • Sierra Leone

Duration: 11 days

Time span: March 18 2023 to March 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 22.6 °C

Event center: 10.5°N 346.5°E

Area affected: 193414 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-18_to_2023-Mar-28_346.5_10.5

Heat wave occuring from February 15 2023 to March 08 2023 at 8.5°N 349.5°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
  • Togo

Duration: 22 days

Time span: February 15 2023 to March 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 32.8 °C

Event center: 8.5°N 349.5°E

Area affected: 810760 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-Feb-15_to_2023-Mar-08_349.5_8.5

Cold spell occuring from December 21 2022 to December 27 2022 at 8.0°N 352.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 7 days

Time span: December 21 2022 to December 27 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 23.6 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 21.1 °C

Event center: 8.0°N 352.5°E

Area affected: 213960 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_2022-Dec-21_to_2022-Dec-27_352.5_8.0

Cold spell occuring from November 21 2022 to November 29 2022 at 14.5°N 355.5°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Côte d’Ivoire
  • Guinea
  • Mali

Duration: 9 days

Time span: November 21 2022 to November 29 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 25.2 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 23.2 °C

Event center: 14.5°N 355.5°E

Area affected: 163548 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_2022-Nov-21_to_2022-Nov-29_355.5_14.5

Cold spell occuring from November 18 2022 to November 29 2022 at 14.0°N 344.5°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Guinea-Bissau
  • Senegal

Duration: 12 days

Time span: November 18 2022 to November 29 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 24.9 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 23.1 °C

Event center: 14.0°N 344.5°E

Area affected: 123342 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_2022-Nov-18_to_2022-Nov-29_344.5_14.0

Cold spell occuring from November 13 2022 to November 20 2022 at 8.5°N 353.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 8 days

Time span: November 13 2022 to November 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 22.4 °C

Event center: 8.5°N 353.0°E

Area affected: 176939 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_2022-Nov-13_to_2022-Nov-20_353.0_8.5

Cold spell occuring from November 09 2022 to November 15 2022 at 15.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Mali
  • Mauritania
  • Senegal

Duration: 7 days

Time span: November 09 2022 to November 15 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 21.0 °C

Event center: 15.0°N 349.0°E

Area affected: 188686 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_2022-Nov-09_to_2022-Nov-15_349.0_15.0