Category: Extremes affecting Niger

Cold spell occuring from September 08 2022 to September 10 2022 at 13.0°N 359.0°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Niger

Duration: 3 days

Time span: September 08 2022 to September 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.5 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 23.8 °C

Event center: 11.5°N 0.0°E

Area affected: 72356 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-08_to_2022-Sep-10_359.0_13.0

Cold spell occuring from August 25 2022 to August 29 2022 at 16.0°N 12.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Niger

Duration: 5 days

Time span: August 25 2022 to August 29 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 27.3 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 25.3 °C

Event center: 16.0°N 12.5°E

Area affected: 71396 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-25_to_2022-Aug-29_12.5_16.0

Heat wave occuring from August 21 2022 to September 01 2022 at 21.0°N 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Chad
  • Egypt
  • Libya
  • Niger
  • Sudan

Duration: 12 days

Time span: August 21 2022 to September 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 33.5 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 36.4 °C

Event center: 21.0°N 25.0°E

Area affected: 945184 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-21_to_2022-Sep-01_25.0_21.0

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 04 2022 to August 19 2022 at 20.0°N 7.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Chad
  • Niger

Duration: 16 days

Time span: August 04 2022 to August 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 34.8 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 38.5 °C

Event center: 20.0°N 7.5°E

Area affected: 1421804 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-04_to_2022-Aug-19_7.5_20.0

Heat wave occuring from July 21 2022 to July 29 2022 at 20.0°N 18.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger
  • Nigeria

Duration: 9 days

Time span: July 21 2022 to July 29 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 34.4 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 37.6 °C

Event center: 20.0°N 18.5°E

Area affected: 665865 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-Jul-21_to_2022-Jul-29_18.5_20.0

Cold spell occuring from July 15 2022 to July 21 2022 at 16.5°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 7 days

Time span: July 15 2022 to July 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 27.3 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 23.5 °C

Event center: 16.5°N 6.5°E

Area affected: 544537 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-Jul-15_to_2022-Jul-21_6.5_16.5

Heat wave occuring from July 11 2022 to July 16 2022 at 22.5°N 1.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 6 days

Time span: July 11 2022 to July 16 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 37.6 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 40.1 °C

Event center: 22.5°N 1.5°E

Area affected: 263375 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-Jul-11_to_2022-Jul-16_1.5_22.5

Cold spell occuring from June 13 2022 to July 09 2022 at 20.5°N 347.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Benin
  • Burkina Faso
  • Côte d’Ivoire
  • Gambia
  • Ghana
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Morocco
  • Niger
  • Nigeria
  • Senegal
  • Togo

Duration: 27 days

Time span: June 13 2022 to July 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 27.9 °C
  • Minimum temperature anomaly: -10.7 °C
  • Minimum temperature: 17.4 °C

Event center: 20.5°N 347.5°E

Area affected: 3343653 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-Jun-13_to_2022-Jul-09_347.5_20.5

Cold spell occuring from May 20 2022 to June 01 2022 at 19.0°N 22.0°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Egypt
  • Libya
  • Niger
  • Sudan

Duration: 13 days

Time span: May 20 2022 to June 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 27.6 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: 19.1 °C

Event center: 19.0°N 22.0°E

Area affected: 2306024 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-May-20_to_2022-Jun-01_22.0_19.0