Category: Heat waves affecting Sierra Leone

Heat wave occuring from October 25 2022 to November 05 2022 at 10.0°N 349.5°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Guinea-Bissau
  • Sierra Leone

Duration: 12 days

Time span: October 25 2022 to November 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 28.8 °C

Event center: 10.0°N 349.5°E

Area affected: 246591 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_2022-Oct-25_to_2022-Nov-05_349.5_10.0

Heat wave occuring from August 30 2022 to September 07 2022 at 7.5°N 346.0°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: 9 days

Time span: August 30 2022 to September 07 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 27.3 °C

Event center: 7.5°N 346.0°E

Area affected: 367509 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_2022-Aug-30_to_2022-Sep-07_346.0_7.5

Heat wave occuring from July 12 2022 to July 16 2022 at 8.0°N 347.5°E

Download data: JSON

Event type: Heat wave

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

  • Liberia
  • Sierra Leone

Duration: 5 days

Time span: July 12 2022 to July 16 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 26.5 °C

Event center: 8.0°N 347.5°E

Area affected: 52018 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_2022-Jul-12_to_2022-Jul-16_347.5_8.0

Heat wave occuring from July 05 2022 to July 08 2022 at 5.5°N 350.5°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: 4 days

Time span: July 05 2022 to July 08 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 26.4 °C

Event center: 5.5°N 350.5°E

Area affected: 217975 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_2022-Jul-05_to_2022-Jul-08_350.5_5.5

Heat wave occuring from May 10 2022 to May 21 2022 at 19.5°N 343.5°E

Download data: JSON

Event type: Heat wave

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

  • Burkina Faso
  • Cabo Verde
  • Côte d’Ivoire
  • Gambia
  • Guinea
  • Guinea-Bissau
  • Liberia
  • Mali
  • Mauritania
  • Senegal
  • Sierra Leone

Duration: 12 days

Time span: May 10 2022 to May 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: 39.3 °C

Event center: 19.5°N 343.5°E

Area affected: 1968025 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_2022-May-10_to_2022-May-21_343.5_19.5

Heat wave occuring from April 14 2022 to May 03 2022 at 8.0°N 349.0°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Liberia
  • Senegal
  • Sierra Leone

Duration: 20 days

Time span: April 14 2022 to May 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 36.8 °C

Event center: 8.0°N 349.0°E

Area affected: 210473 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_2022-Apr-14_to_2022-May-03_349.0_8.0

Heat wave occuring from March 27 2022 to April 01 2022 at 6.5°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
  • Guinea
  • Liberia
  • Sierra Leone

Duration: 6 days

Time span: March 27 2022 to April 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 30.1 °C

Event center: 6.5°N 351.0°E

Area affected: 174877 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_2022-Mar-27_to_2022-Apr-01_351.0_6.5

Heat wave occuring from March 21 2022 to March 25 2022 at 6.5°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
  • Liberia
  • Sierra Leone

Duration: 5 days

Time span: March 21 2022 to March 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 31.4 °C

Event center: 6.5°N 351.0°E

Area affected: 113536 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_2022-Mar-21_to_2022-Mar-25_351.0_6.5

Heat wave occuring from March 01 2022 to March 12 2022 at 8.5°N 349.0°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Liberia
  • Nigeria
  • Sierra Leone
  • Togo

Duration: 12 days

Time span: March 01 2022 to March 12 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 29.7 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 34.4 °C

Event center: 8.5°N 349.0°E

Area affected: 645485 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_2022-Mar-01_to_2022-Mar-12_349.0_8.5

Heat wave occuring from June 28 2021 to June 30 2021 at 7.0°N 351.5°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: 3 days

Time span: June 28 2021 to June 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 27.5 °C

Event center: 7.0°N 351.5°E

Area affected: 116506 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_2021-Jun-28_to_2021-Jun-30_351.5_7.0