Cold spell occuring from June 01 2025 to June 07 2025 at 19.5°N 0.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Niger

Duration: 7 days

Time span: June 01 2025 to June 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 33.3 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 31.6 °C

Event center: 19.5°N 0.0°E

Area affected: 213654 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_2025-Jun-01_to_2025-Jun-07_0.0_19.5

Cold spell occuring from May 31 2025 to June 07 2025 at 18.5°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Niger

Duration: 8 days

Time span: May 31 2025 to June 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 19.8 °C

Event center: 18.5°N 9.0°E

Area affected: 957903 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_2025-May-31_to_2025-Jun-07_9.0_18.5

Cold spell occuring from May 25 2025 to May 27 2025 at 28.5°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya

Duration: 3 days

Time span: May 25 2025 to May 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 21.6 °C

Event center: 28.5°N 10.0°E

Area affected: 62932 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_2025-May-25_to_2025-May-27_10.0_28.5

Cold spell occuring from May 24 2025 to May 26 2025 at 32.0°N 4.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria

Duration: 3 days

Time span: May 24 2025 to May 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 20.6 °C

Event center: 32.0°N 4.5°E

Area affected: 108791 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_2025-May-24_to_2025-May-26_4.5_32.0

Cold spell occuring from April 30 2025 to May 09 2025 at 13.5°N 28.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 10 days

Time span: April 30 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 16.0 °C

Event center: 13.5°N 28.0°E

Area affected: 4297318 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_2025-Apr-30_to_2025-May-09_28.0_13.5

Cold spell occuring from January 14 2025 to January 19 2025 at 28.0°N 359.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali

Duration: 6 days

Time span: January 14 2025 to January 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 9.4 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 6.6 °C

Event center: 28.0°N 359.0°E

Area affected: 411176 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_2025-Jan-14_to_2025-Jan-19_359.0_28.0

Cold spell occuring from November 14 2024 to December 08 2024 at 11.0°N 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Côte d’Ivoire
  • Egypt
  • Ghana
  • Libya
  • Mali
  • Niger
  • Nigeria
  • Sudan
  • Togo

Duration: 25 days

Time span: November 14 2024 to December 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 8.3 °C

Event center: 11.0°N 16.0°E

Area affected: 4509535 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_2024-Nov-14_to_2024-Dec-08_16.0_11.0

Cold spell occuring from October 26 2024 to November 02 2024 at 32.0°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
  • Portugal
  • Spain

Duration: 8 days

Time span: October 26 2024 to November 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 15.8 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -0.1 °C

Event center: 32.0°N 354.5°E

Area affected: 694137 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_2024-Oct-26_to_2024-Nov-02_354.5_32.0

Cold spell occuring from October 19 2024 to October 23 2024 at 29.5°N 1.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria

Duration: 5 days

Time span: October 19 2024 to October 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 17.9 °C

Event center: 29.5°N 1.5°E

Area affected: 84087 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_2024-Oct-19_to_2024-Oct-23_1.5_29.5

Cold spell occuring from September 17 2024 to September 24 2024 at 28.5°N 357.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 8 days

Time span: September 17 2024 to September 24 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 24.8 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 19.0 °C

Event center: 28.5°N 357.5°E

Area affected: 672983 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_2024-Sep-17_to_2024-Sep-24_357.5_28.5