Category: Extremes affecting Cameroon

Cold spell occuring from December 20 2022 to December 31 2022 at 9.5°N 18.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Eritrea
  • Ethiopia
  • South Sudan
  • Sudan

Duration: 12 days

Time span: December 20 2022 to December 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 12.9 °C

Event center: 9.5°N 18.0°E

Area affected: 1172101 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-20_to_2022-Dec-31_18.0_9.5

Heat wave occuring from December 09 2022 to December 15 2022 at 4.5°N 11.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon

Duration: 7 days

Time span: December 09 2022 to December 15 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 26.8 °C

Event center: 4.5°N 11.5°E

Area affected: 61641 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-09_to_2022-Dec-15_11.5_4.5

Heat wave occuring from November 12 2022 to November 30 2022 at 5.5°N 12.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Nigeria

Duration: 19 days

Time span: November 12 2022 to November 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 29.6 °C

Event center: 5.5°N 12.5°E

Area affected: 150696 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-Nov-12_to_2022-Nov-30_12.5_5.5

Heat wave occuring from November 01 2022 to February 23 2023 at -13.5°S 355.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Angola
  • Antarctica
  • Argentina
  • Benin
  • Bolivia, Plurinational State of
  • Brazil
  • Burkina Faso
  • Cameroon
  • Chile
  • Congo
  • Côte d’Ivoire
  • Equatorial Guinea
  • Eswatini
  • Gabon
  • Gambia
  • Ghana
  • Guinea
  • Guinea-Bissau
  • Liberia
  • Madagascar
  • Mali
  • Mauritania
  • Morocco
  • Mozambique
  • Namibia
  • Niger
  • Nigeria
  • Paraguay
  • Peru
  • Senegal
  • Sierra Leone
  • South Africa
  • Togo
  • Uruguay

Duration: 115 days

Time span: November 01 2022 to February 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 38.9 °C

Event center: -13.5°S 355.0°E

Area affected: 48958616 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-Nov-01_to_2023-Feb-23_355.0_-13.5

Cold spell occuring from October 26 2022 to November 08 2022 at 13.0°N 9.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 14 days

Time span: October 26 2022 to November 08 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 18.3 °C

Event center: 13.0°N 9.5°E

Area affected: 561985 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-Oct-26_to_2022-Nov-08_9.5_13.0

Heat wave occuring from October 15 2022 to October 20 2022 at 7.5°N 11.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Nigeria

Duration: 6 days

Time span: October 15 2022 to October 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 27.2 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 29.6 °C

Event center: 7.5°N 11.5°E

Area affected: 238634 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-15_to_2022-Oct-20_11.5_7.5

Cold spell occuring from September 23 2022 to September 30 2022 at 14.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 8 days

Time span: September 23 2022 to September 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 26.4 °C

Event center: 14.0°N 8.0°E

Area affected: 102337 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-Sep-23_to_2022-Sep-30_8.0_14.0

Cold spell occuring from September 16 2022 to September 22 2022 at 13.0°N 12.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 7 days

Time span: September 16 2022 to September 22 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 23.3 °C

Event center: 13.0°N 12.0°E

Area affected: 358042 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-Sep-16_to_2022-Sep-22_12.0_13.0

Heat wave occuring from September 11 2022 to September 17 2022 at 3.5°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Congo
  • Congo, The Democratic Republic of the
  • Equatorial Guinea
  • Gabon

Duration: 7 days

Time span: September 11 2022 to September 17 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 27.7 °C

Event center: 3.5°N 7.0°E

Area affected: 534428 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-Sep-11_to_2022-Sep-17_7.0_3.5

Heat wave occuring from August 28 2022 to September 11 2022 at 4.5°N 6.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Congo
  • Congo, The Democratic Republic of the
  • Equatorial Guinea
  • Gabon
  • Nigeria

Duration: 15 days

Time span: August 28 2022 to September 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 28.2 °C

Event center: 4.5°N 6.5°E

Area affected: 1076930 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-28_to_2022-Sep-11_6.5_4.5