Category: Cold spells affecting Mauritania

Cold spell occuring from July 12 2025 to July 17 2025 at 17.5°N 347.5°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: July 12 2025 to July 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 29.2 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 24.9 °C

Event center: 17.5°N 347.5°E

Area affected: 364051 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-12_to_2025-Jul-17_347.5_17.5

Cold spell occuring from July 01 2025 to July 03 2025 at 18.0°N 350.0°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 01 2025 to July 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 31.7 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 29.8 °C

Event center: 18.0°N 350.0°E

Area affected: 58726 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-01_to_2025-Jul-03_350.0_18.0

Cold spell occuring from June 12 2025 to June 17 2025 at 15.0°N 347.5°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: June 12 2025 to June 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 30.7 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 27.8 °C

Event center: 15.0°N 347.5°E

Area affected: 77556 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-12_to_2025-Jun-17_347.5_15.0

Cold spell occuring from March 02 2025 to March 24 2025 at 9.0°N 343.5°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Mauritania
  • Senegal

Duration: 23 days

Time span: March 02 2025 to March 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 17.0 °C

Event center: 9.0°N 343.5°E

Area affected: 563751 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-Mar-02_to_2025-Mar-24_343.5_9.0

Cold spell occuring from February 23 2025 to February 28 2025 at 15.0°N 346.5°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: February 23 2025 to February 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 22.8 °C

Event center: 15.0°N 346.5°E

Area affected: 421266 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-Feb-23_to_2025-Feb-28_346.5_15.0

Cold spell occuring from February 01 2025 to February 08 2025 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
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 8 days

Time span: February 01 2025 to February 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 21.3 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 14.5 °C

Event center: 15.0°N 345.0°E

Area affected: 618965 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-Feb-01_to_2025-Feb-08_345.0_15.0

Cold spell occuring from January 16 2025 to January 18 2025 at 19.0°N 352.5°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: January 16 2025 to January 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 12.4 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 10.7 °C

Event center: 19.0°N 352.5°E

Area affected: 87394 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-16_to_2025-Jan-18_352.5_19.0

Cold spell occuring from January 15 2025 to January 21 2025 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):

  • Mali
  • Mauritania
  • Senegal

Duration: 7 days

Time span: January 15 2025 to January 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 20.9 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 18.9 °C

Event center: 15.0°N 345.0°E

Area affected: 53735 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-15_to_2025-Jan-21_345.0_15.0

Cold spell occuring from January 02 2025 to January 07 2025 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):

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: January 02 2025 to January 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 19.9 °C

Event center: 15.0°N 345.0°E

Area affected: 56740 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-02_to_2025-Jan-07_345.0_15.0

Cold spell occuring from December 31 2024 to January 05 2025 at 19.0°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 6 days

Time span: December 31 2024 to January 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 13.3 °C

Event center: 19.0°N 345.0°E

Area affected: 292853 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-Dec-31_to_2025-Jan-05_345.0_19.0