Cold spell occuring from February 12 2022 to February 15 2022 at 15.5°N 354.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania

Duration: 4 days

Time span: February 12 2022 to February 15 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 21.3 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 19.0 °C

Event center: 15.5°N 354.0°E

Area affected: 80192 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-Feb-12_to_2022-Feb-15_354.0_15.5

Cold spell occuring from December 09 2021 to December 20 2021 at 21.5°N 339.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 12 days

Time span: December 09 2021 to December 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 16.3 °C

Event center: 21.5°N 339.5°E

Area affected: 352622 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-09_to_2021-Dec-20_339.5_21.5

Cold spell occuring from November 03 2021 to November 17 2021 at 22.5°N 341.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • France
  • Mali
  • Mauritania
  • Morocco
  • Portugal
  • Spain
  • Tunisia

Duration: 15 days

Time span: November 03 2021 to November 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 12.8 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: 0.9 °C

Event center: 22.5°N 341.0°E

Area affected: 2657614 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-Nov-03_to_2021-Nov-17_341.0_22.5

Heat wave occuring from October 16 2021 to October 20 2021 at 25.0°N 345.5°E

Download data: JSON

Event type: Heat wave

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

  • Mauritania
  • Morocco

Duration: 5 days

Time span: October 16 2021 to October 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 31.8 °C

Event center: 25.0°N 345.5°E

Area affected: 136623 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-16_to_2021-Oct-20_345.5_25.0

Heat wave occuring from October 11 2021 to October 15 2021 at 17.0°N 350.0°E

Download data: JSON

Event type: Heat wave

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

  • Mali
  • Mauritania

Duration: 5 days

Time span: October 11 2021 to October 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 34.0 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 35.8 °C

Event center: 17.0°N 350.0°E

Area affected: 65085 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-11_to_2021-Oct-15_350.0_17.0

Cold spell occuring from October 03 2021 to October 16 2021 at 25.5°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 14 days

Time span: October 03 2021 to October 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 18.6 °C

Event center: 25.5°N 345.0°E

Area affected: 215536 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-03_to_2021-Oct-16_345.0_25.5

Heat wave occuring from October 03 2021 to October 09 2021 at 16.0°N 353.0°E

Download data: JSON

Event type: Heat wave

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

  • Mali
  • Mauritania

Duration: 7 days

Time span: October 03 2021 to October 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 34.0 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 35.6 °C

Event center: 16.0°N 353.0°E

Area affected: 59133 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-03_to_2021-Oct-09_353.0_16.0

Cold spell occuring from September 18 2021 to September 26 2021 at 20.5°N 344.0°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 9 days

Time span: September 18 2021 to September 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 26.0 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 20.6 °C

Event center: 20.5°N 344.0°E

Area affected: 165064 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-Sep-18_to_2021-Sep-26_344.0_20.5

Heat wave occuring from September 17 2021 to September 22 2021 at 14.5°N 353.5°E

Download data: JSON

Event type: Heat wave

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

  • Mali
  • Mauritania

Duration: 6 days

Time span: September 17 2021 to September 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 31.6 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 33.6 °C

Event center: 14.5°N 353.5°E

Area affected: 77626 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-Sep-17_to_2021-Sep-22_353.5_14.5

Heat wave occuring from September 11 2021 to September 16 2021 at 15.0°N 347.0°E

Download data: JSON

Event type: Heat wave

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

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: September 11 2021 to September 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 32.8 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 35.8 °C

Event center: 15.0°N 347.0°E

Area affected: 341988 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-Sep-11_to_2021-Sep-16_347.0_15.0