Category: Extremes affecting Niger

Heat wave occuring from May 31 2023 to June 03 2023 at 15.5°N 12.0°E

Download data: JSON

Event type: Heat wave

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

  • Niger

Duration: 4 days

Time span: May 31 2023 to June 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 35.2 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 36.4 °C

Event center: 15.5°N 12.0°E

Area affected: 50531 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-31_to_2023-Jun-03_12.0_15.5

Cold spell occuring from April 12 2023 to April 14 2023 at 20.0°N 13.0°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Niger

Duration: 3 days

Time span: April 12 2023 to April 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 23.4 °C

Event center: 20.0°N 13.0°E

Area affected: 87749 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-Apr-12_to_2023-Apr-14_13.0_20.0

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

Heat wave occuring from March 18 2023 to March 23 2023 at 16.5°N 19.0°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger

Duration: 6 days

Time span: March 18 2023 to March 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 30.6 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 32.2 °C

Event center: 16.5°N 19.0°E

Area affected: 159777 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-Mar-18_to_2023-Mar-23_19.0_16.5

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 06 2023 to January 10 2023 at 14.0°N 359.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Mali
  • Niger

Duration: 5 days

Time span: January 06 2023 to January 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 29.0 °C

Event center: 14.0°N 359.5°E

Area affected: 507984 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-06_to_2023-Jan-10_359.5_14.0

Cold spell occuring from December 21 2022 to December 26 2022 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
  • Côte d’Ivoire
  • Ghana
  • Niger
  • Nigeria
  • Togo

Duration: 6 days

Time span: December 21 2022 to December 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 17.1 °C

Event center: 8.0°N 8.0°E

Area affected: 331778 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-21_to_2022-Dec-26_8.0_8.0

Heat wave occuring from December 02 2022 to December 06 2022 at 16.5°N 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger

Duration: 5 days

Time span: December 02 2022 to December 06 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 27.5 °C

Event center: 16.5°N 17.5°E

Area affected: 106005 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-02_to_2022-Dec-06_17.5_16.5

Cold spell occuring from November 15 2022 to November 18 2022 at 12.5°N 0.5°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Niger
  • Nigeria

Duration: 4 days

Time span: November 15 2022 to November 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 26.4 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 25.1 °C

Event center: 12.5°N 0.5°E

Area affected: 63440 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-Nov-15_to_2022-Nov-18_0.5_12.5

Cold spell occuring from November 14 2022 to December 01 2022 at 12.5°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: 18 days

Time span: November 14 2022 to December 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 22.1 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 19.6 °C

Event center: 12.5°N 9.0°E

Area affected: 105611 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-Nov-14_to_2022-Dec-01_9.0_12.5