Category: Extremes affecting Cameroon

Heat wave occuring from November 04 2023 to November 09 2023 at -2.0°S 24.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Congo
  • Congo, The Democratic Republic of the

Duration: 6 days

Time span: November 04 2023 to November 09 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 27.8 °C

Event center: -2.0°S 24.0°E

Area affected: 796928 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-Nov-04_to_2023-Nov-09_24.0_-2.0

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

Heat wave occuring from February 27 2023 to March 03 2023 at 7.0°N 9.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Nigeria

Duration: 5 days

Time span: February 27 2023 to March 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 31.4 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 34.1 °C

Event center: 7.0°N 9.5°E

Area affected: 113447 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-27_to_2023-Mar-03_9.5_7.0

Cold spell occuring from February 12 2023 to February 22 2023 at 8.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Egypt
  • Ghana
  • Libya
  • Niger
  • Nigeria
  • South Sudan
  • Sudan
  • Togo

Duration: 11 days

Time span: February 12 2023 to February 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: 4.0 °C

Event center: 8.0°N 8.0°E

Area affected: 3176562 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-Feb-12_to_2023-Feb-22_8.0_8.0

Heat wave occuring from January 03 2023 to January 13 2023 at 3.5°N 12.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon

Duration: 11 days

Time span: January 03 2023 to January 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 27.6 °C

Event center: 3.5°N 12.0°E

Area affected: 55512 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-Jan-03_to_2023-Jan-13_12.0_3.5

Heat wave occuring from December 26 2022 to January 02 2023 at 0.0°N 12.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Congo
  • Equatorial Guinea
  • Gabon

Duration: 8 days

Time span: December 26 2022 to January 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 28.1 °C

Event center: 0.0°N 12.5°E

Area affected: 352206 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-Dec-26_to_2023-Jan-02_12.5_0.0