Category: Extremes affecting Nigeria

Cold spell occuring from December 17 2021 to December 20 2021 at 7.5°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Nigeria

Duration: 4 days

Time span: December 17 2021 to December 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.5 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 16.1 °C

Event center: 7.5°N 10.0°E

Area affected: 61200 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_2021-Dec-17_to_2021-Dec-20_10.0_7.5

Heat wave occuring from October 19 2021 to October 24 2021 at 15.0°N 4.0°E

Download data: JSON

Event type: Heat wave

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

  • Mali
  • Niger
  • Nigeria

Duration: 6 days

Time span: October 19 2021 to October 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 32.5 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 34.7 °C

Event center: 15.0°N 4.0°E

Area affected: 134562 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-Oct-19_to_2021-Oct-24_4.0_15.0

Cold spell occuring from October 15 2021 to October 20 2021 at 13.5°N 14.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 6 days

Time span: October 15 2021 to October 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 28.7 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 27.0 °C

Event center: 13.5°N 14.0°E

Area affected: 143980 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_2021-Oct-15_to_2021-Oct-20_14.0_13.5

Cold spell occuring from October 07 2021 to October 21 2021 at 13.5°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Niger
  • Nigeria

Duration: 15 days

Time span: October 07 2021 to October 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 27.7 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 24.6 °C

Event center: 13.5°N 10.0°E

Area affected: 60123 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_2021-Oct-07_to_2021-Oct-21_10.0_13.5

Heat wave occuring from August 13 2021 to September 17 2021 at -18.5°S 45.0°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo, The Democratic Republic of the
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Iraq
  • Israel
  • Jordan
  • Kenya
  • Lebanon
  • Madagascar
  • Malawi
  • Mozambique
  • Niger
  • Nigeria
  • Rwanda
  • Saudi Arabia
  • Somalia
  • South Sudan
  • Sudan
  • Syrian Arab Republic
  • Tanzania, United Republic of
  • Uganda
  • Yemen
  • Zambia

Duration: 36 days

Time span: August 13 2021 to September 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 40.4 °C

Event center: -18.5°S 45.0°E

Area affected: 10685537 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-Aug-13_to_2021-Sep-17_45.0_-18.5

Cold spell occuring from July 26 2021 to July 28 2021 at 13.0°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Niger
  • Nigeria

Duration: 3 days

Time span: July 26 2021 to July 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 22.8 °C

Event center: 13.0°N 9.0°E

Area affected: 75179 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_2021-Jul-26_to_2021-Jul-28_9.0_13.0

Heat wave occuring from June 24 2021 to June 27 2021 at 4.0°N 9.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Equatorial Guinea
  • Gabon
  • Nigeria

Duration: 4 days

Time span: June 24 2021 to June 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 24.5 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 28.3 °C

Event center: 4.0°N 9.5°E

Area affected: 184703 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-24_to_2021-Jun-27_9.5_4.0

Heat wave occuring from June 06 2021 to June 11 2021 at 11.0°N 9.0°E

Download data: JSON

Event type: Heat wave

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

  • Niger
  • Nigeria

Duration: 6 days

Time span: June 06 2021 to June 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 29.7 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 35.5 °C

Event center: 11.0°N 9.0°E

Area affected: 66770 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-06_to_2021-Jun-11_9.0_11.0

Heat wave occuring from April 29 2021 to May 03 2021 at 9.5°N 2.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 5 days

Time span: April 29 2021 to May 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 30.2 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 37.5 °C

Event center: 9.5°N 2.5°E

Area affected: 703892 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-Apr-29_to_2021-May-03_2.5_9.5

Heat wave occuring from April 19 2021 to April 27 2021 at 5.5°N 0.5°E

Download data: JSON

Event type: Heat wave

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

  • Ghana
  • Nigeria

Duration: 9 days

Time span: April 19 2021 to April 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 30.1 °C

Event center: 5.5°N 0.5°E

Area affected: 357804 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-Apr-19_to_2021-Apr-27_0.5_5.5