Category: Extremes affecting Mauritania

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

Heat wave occuring from December 24 2024 to December 29 2024 at 19.0°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: 6 days

Time span: December 24 2024 to December 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 29.4 °C

Event center: 19.0°N 353.0°E

Area affected: 155475 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_2024-Dec-24_to_2024-Dec-29_353.0_19.0

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 22 2024 to October 25 2024 at 15.5°N 347.0°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: October 22 2024 to October 25 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 28.1 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 26.3 °C

Event center: 15.5°N 347.0°E

Area affected: 53686 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-22_to_2024-Oct-25_347.0_15.5

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

Heat wave occuring from September 01 2024 to September 05 2024 at 27.0°N 354.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mauritania

Duration: 5 days

Time span: September 01 2024 to September 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 37.1 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 38.9 °C

Event center: 27.0°N 354.0°E

Area affected: 112288 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_2024-Sep-01_to_2024-Sep-05_354.0_27.0

Cold spell occuring from August 20 2024 to October 04 2024 at 32.5°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Mali
  • Mauritania
  • Morocco
  • Portugal
  • Senegal
  • Spain

Duration: 46 days

Time span: August 20 2024 to October 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 22.9 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 7.3 °C

Event center: 32.5°N 350.5°E

Area affected: 1762984 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-Aug-20_to_2024-Oct-04_350.5_32.5