Category: Cold spells affecting Mauritania

Cold spell occuring from April 24 2026 to April 30 2026 at 18.0°N 343.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania
  • Senegal

Duration: 7 days

Time span: April 24 2026 to April 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 17.4 °C

Event center: 18.0°N 343.5°E

Area affected: 197684 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_2026-Apr-24_to_2026-Apr-30_343.5_18.0

Cold spell occuring from April 14 2026 to April 21 2026 at 19.0°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Chad
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Tunisia

Duration: 8 days

Time span: April 14 2026 to April 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 22.1 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 14.1 °C

Event center: 19.0°N 9.0°E

Area affected: 2453416 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_2026-Apr-14_to_2026-Apr-21_9.0_19.0

Cold spell occuring from April 07 2026 to April 13 2026 at 32.0°N 352.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 7 days

Time span: April 07 2026 to April 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 15.4 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: 4.0 °C

Event center: 32.0°N 352.5°E

Area affected: 545824 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_2026-Apr-07_to_2026-Apr-13_352.5_32.0

Cold spell occuring from March 26 2026 to April 08 2026 at 11.5°N 356.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 14 days

Time span: March 26 2026 to April 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 19.7 °C
  • Minimum temperature anomaly: -14.4 °C
  • Minimum temperature: 2.1 °C

Event center: 11.5°N 4.0°W

Area affected: 6360117 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_2026-Mar-26_to_2026-Apr-08_356.0_11.5

Cold spell occuring from December 10 2025 to January 01 2026 at 15.0°N 342.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 23 days

Time span: December 10 2025 to January 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 12.8 °C

Event center: 15.0°N 342.5°E

Area affected: 1618347 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-Dec-10_to_2026-Jan-01_342.5_15.0

Cold spell occuring from November 25 2025 to November 30 2025 at 11.5°N 345.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 6 days

Time span: November 25 2025 to November 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 25.4 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 23.7 °C

Event center: 11.5°N 345.0°E

Area affected: 105065 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-Nov-25_to_2025-Nov-30_345.0_11.5

Cold spell occuring from September 30 2025 to October 03 2025 at 19.5°N 345.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 4 days

Time span: September 30 2025 to October 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 28.3 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 25.1 °C

Event center: 19.5°N 345.5°E

Area affected: 134399 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-Sep-30_to_2025-Oct-03_345.5_19.5

Cold spell occuring from August 20 2025 to August 22 2025 at 17.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania

Duration: 3 days

Time span: August 20 2025 to August 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 25.6 °C

Event center: 17.0°N 349.0°E

Area affected: 62350 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-Aug-20_to_2025-Aug-22_349.0_17.0

Cold spell occuring from August 14 2025 to August 17 2025 at 17.0°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: 4 days

Time span: August 14 2025 to August 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 24.5 °C

Event center: 17.0°N 349.0°E

Area affected: 193393 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-Aug-14_to_2025-Aug-17_349.0_17.0

Cold spell occuring from July 23 2025 to July 25 2025 at 24.0°N 350.5°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: July 23 2025 to July 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 29.1 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: 23.3 °C

Event center: 24.0°N 350.5°E

Area affected: 162606 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-Jul-23_to_2025-Jul-25_350.5_24.0