Heat wave occuring from June 23 2020 to June 28 2020 at 18.5°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 6 days

Time span: June 23 2020 to June 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 34.3 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 39.7 °C

Event center: 18.5°N 7.0°E

Area affected: 526028 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_2020-Jun-23_to_2020-Jun-28_7.0_18.5

Heat wave occuring from May 26 2020 to June 17 2020 at 9.0°N 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Cameroon
  • Central African Republic
  • Chad
  • Congo, The Democratic Republic of the
  • Eritrea
  • Ethiopia
  • Gambia
  • Guinea-Bissau
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • Senegal
  • South Sudan
  • Sudan

Duration: 23 days

Time span: May 26 2020 to June 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 34.2 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 40.4 °C

Event center: 9.0°N 25.0°E

Area affected: 6716132 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_2020-May-26_to_2020-Jun-17_25.0_9.0

Heat wave occuring from May 22 2020 to May 28 2020 at 16.0°N 10.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger

Duration: 7 days

Time span: May 22 2020 to May 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 35.3 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 37.1 °C

Event center: 16.0°N 10.5°E

Area affected: 174820 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_2020-May-22_to_2020-May-28_10.5_16.0

Heat wave occuring from May 13 2020 to May 16 2020 at 14.0°N 2.5°E

Download data: JSON

Event type: Heat wave

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

  • Burkina Faso
  • Mali
  • Niger

Duration: 4 days

Time span: May 13 2020 to May 16 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 36.6 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 38.1 °C

Event center: 14.0°N 2.5°E

Area affected: 134954 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_2020-May-13_to_2020-May-16_2.5_14.0

Heat wave occuring from April 27 2020 to May 03 2020 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):

  • Burkina Faso
  • Niger

Duration: 7 days

Time span: April 27 2020 to May 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 35.8 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 37.1 °C

Event center: 14.0°N 359.5°E

Area affected: 90102 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_2020-Apr-27_to_2020-May-03_359.5_14.0

Heat wave occuring from April 12 2020 to April 19 2020 at 9.5°N 356.5°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
  • Guinea
  • Mali
  • Niger

Duration: 8 days

Time span: April 12 2020 to April 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 32.4 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 37.3 °C

Event center: 9.5°N 356.5°E

Area affected: 285541 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_2020-Apr-12_to_2020-Apr-19_356.5_9.5

Heat wave occuring from April 11 2020 to April 17 2020 at 13.5°N 4.5°E

Download data: JSON

Event type: Heat wave

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

  • Mali
  • Niger
  • Nigeria

Duration: 7 days

Time span: April 11 2020 to April 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 35.9 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 37.2 °C

Event center: 13.5°N 4.5°E

Area affected: 56845 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_2020-Apr-11_to_2020-Apr-17_4.5_13.5

Cold spell occuring from March 11 2020 to March 18 2020 at 11.5°N 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Libya
  • Niger
  • Nigeria
  • Sudan

Duration: 8 days

Time span: March 11 2020 to March 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 22.4 °C
  • Minimum temperature anomaly: -10.9 °C
  • Minimum temperature: 5.5 °C

Event center: 11.5°N 17.5°E

Area affected: 2261111 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_2020-Mar-11_to_2020-Mar-18_17.5_11.5

Heat wave occuring from January 12 2020 to January 14 2020 at 15.0°N 13.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger
  • Nigeria

Duration: 3 days

Time span: January 12 2020 to January 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 22.9 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 28.1 °C

Event center: 15.0°N 13.5°E

Area affected: 92430 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_2020-Jan-12_to_2020-Jan-14_13.5_15.0

Heat wave occuring from January 09 2020 to January 14 2020 at 14.0°N 3.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Burkina Faso
  • Mali
  • Niger
  • Nigeria

Duration: 6 days

Time span: January 09 2020 to January 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 30.1 °C

Event center: 14.0°N 3.5°E

Area affected: 388921 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_2020-Jan-09_to_2020-Jan-14_3.5_14.0