Cold spell occuring from December 16 2023 to December 23 2023 at 15.0°N 346.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Côte d’Ivoire
  • Gambia
  • Ghana
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 8 days

Time span: December 16 2023 to December 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 18.0 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 8.7 °C

Event center: 15.0°N 346.0°E

Area affected: 3357227 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-Dec-16_to_2023-Dec-23_346.0_15.0

Cold spell occuring from November 23 2023 to November 27 2023 at 14.5°N 348.0°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 5 days

Time span: November 23 2023 to November 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 23.7 °C

Event center: 14.5°N 348.0°E

Area affected: 152760 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-Nov-23_to_2023-Nov-27_348.0_14.5

Heat wave occuring from October 18 2023 to October 22 2023 at 19.0°N 349.0°E

Download data: JSON

Event type: Heat wave

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

  • Mauritania
  • Senegal

Duration: 5 days

Time span: October 18 2023 to October 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 34.3 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 37.4 °C

Event center: 19.0°N 349.0°E

Area affected: 106154 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-Oct-18_to_2023-Oct-22_349.0_19.0

Cold spell occuring from August 30 2023 to September 05 2023 at 26.0°N 354.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Mauritania
  • Morocco

Duration: 7 days

Time span: August 30 2023 to September 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 25.4 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 13.8 °C

Event center: 26.0°N 354.5°E

Area affected: 384427 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-Aug-30_to_2023-Sep-05_354.5_26.0

Cold spell occuring from August 06 2023 to August 08 2023 at 22.0°N 345.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 3 days

Time span: August 06 2023 to August 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 23.3 °C

Event center: 22.0°N 345.5°E

Area affected: 114284 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-Aug-06_to_2023-Aug-08_345.5_22.0

Cold spell occuring from May 17 2023 to June 07 2023 at 33.0°N 355.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Mauritania
  • Morocco
  • Spain
  • Tunisia

Duration: 22 days

Time span: May 17 2023 to June 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 3.2 °C

Event center: 33.0°N 355.5°E

Area affected: 2746990 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-May-17_to_2023-Jun-07_355.5_33.0

Cold spell occuring from February 11 2023 to February 19 2023 at 31.5°N 354.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 9 days

Time span: February 11 2023 to February 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 10.3 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: -1.2 °C

Event center: 31.5°N 354.5°E

Area affected: 259254 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-11_to_2023-Feb-19_354.5_31.5

Cold spell occuring from January 29 2023 to February 02 2023 at 15.0°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Mali
  • Mauritania
  • Senegal

Duration: 5 days

Time span: January 29 2023 to February 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 22.2 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 20.3 °C

Event center: 15.0°N 345.0°E

Area affected: 74660 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-Jan-29_to_2023-Feb-02_345.0_15.0

Cold spell occuring from January 18 2023 to February 03 2023 at 31.5°N 2.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Andorra
  • France
  • Germany
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Portugal
  • Spain
  • Switzerland
  • Tunisia

Duration: 17 days

Time span: January 18 2023 to February 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 9.0 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: -5.0 °C

Event center: 33.0°N 355.0°E

Area affected: 4478155 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-Jan-18_to_2023-Feb-03_2.5_31.5

Cold spell occuring from November 18 2022 to November 24 2022 at 15.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 7 days

Time span: November 18 2022 to November 24 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 24.0 °C

Event center: 15.0°N 349.0°E

Area affected: 146329 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-18_to_2022-Nov-24_349.0_15.0