Category: Extremes affecting Nigeria

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 October 08 2022 to October 23 2022 at 13.5°N 8.5°E

Download data: JSON

Event type: Cold spell

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

  • Niger
  • Nigeria

Duration: 16 days

Time span: October 08 2022 to October 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 27.5 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 25.8 °C

Event center: 13.5°N 8.5°E

Area affected: 111348 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-08_to_2022-Oct-23_8.5_13.5

Cold spell occuring from September 26 2022 to September 29 2022 at 7.5°N 0.0°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Nigeria
  • Togo

Duration: 4 days

Time span: September 26 2022 to September 29 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 22.1 °C

Event center: 7.5°N 0.0°E

Area affected: 244471 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-26_to_2022-Sep-29_0.0_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 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

Heat wave occuring from August 15 2022 to August 25 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
  • Nigeria

Duration: 11 days

Time span: August 15 2022 to August 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 25.6 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 26.5 °C

Event center: 4.5°N 6.5°E

Area affected: 86250 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-15_to_2022-Aug-25_6.5_4.5

Cold spell occuring from August 13 2022 to August 16 2022 at 12.5°N 12.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 4 days

Time span: August 13 2022 to August 16 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 24.2 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 20.8 °C

Event center: 12.5°N 12.5°E

Area affected: 247934 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-Aug-13_to_2022-Aug-16_12.5_12.5

Heat wave occuring from August 01 2022 to August 13 2022 at 9.0°N 8.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Nigeria

Duration: 13 days

Time span: August 01 2022 to August 13 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.3 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 28.6 °C

Event center: 9.0°N 8.0°E

Area affected: 321675 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-01_to_2022-Aug-13_8.0_9.0