Category: Extremes affecting Niger

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

Cold spell occuring from October 25 2022 to November 03 2022 at 18.5°N 1.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Niger

Duration: 10 days

Time span: October 25 2022 to November 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 25.8 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 18.6 °C

Event center: 18.5°N 1.0°E

Area affected: 355951 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-25_to_2022-Nov-03_1.0_18.5

Cold spell occuring from October 24 2022 to October 30 2022 at 21.0°N 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Libya
  • Niger

Duration: 7 days

Time span: October 24 2022 to October 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 19.0 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 12.8 °C

Event center: 21.0°N 17.5°E

Area affected: 141624 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-24_to_2022-Oct-30_17.5_21.0

Cold spell occuring from October 17 2022 to October 26 2022 at 19.0°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Chad
  • Libya
  • Mali
  • Niger

Duration: 10 days

Time span: October 17 2022 to October 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 16.3 °C

Event center: 19.0°N 9.0°E

Area affected: 1239488 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-17_to_2022-Oct-26_9.0_19.0

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 October 07 2022 to October 11 2022 at 22.0°N 19.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Libya
  • Niger

Duration: 5 days

Time span: October 07 2022 to October 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 17.6 °C

Event center: 22.0°N 19.5°E

Area affected: 295095 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-07_to_2022-Oct-11_19.5_22.0

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

Heat wave occuring from September 21 2022 to October 16 2022 at 25.0°N 3.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Armenia
  • Azerbaijan
  • Bulgaria
  • Chad
  • Cyprus
  • Egypt
  • Georgia
  • Greece
  • Iran, Islamic Republic of
  • Iraq
  • Israel
  • Jordan
  • Kazakhstan
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Niger
  • Russian Federation
  • Saudi Arabia
  • Sudan
  • Syrian Arab Republic
  • Türkiye

Duration: 26 days

Time span: September 21 2022 to October 16 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 38.5 °C

Event center: 25.0°N 3.5°E

Area affected: 7664714 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-21_to_2022-Oct-16_3.5_25.0

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