Category: Extremes affecting Algeria

Heat wave occuring from March 07 2026 to March 11 2026 at 20.0°N 5.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 5 days

Time span: March 07 2026 to March 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 33.8 °C

Event center: 20.0°N 5.0°E

Area affected: 351005 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_2026-Mar-07_to_2026-Mar-11_5.0_20.0

Heat wave occuring from February 26 2026 to March 05 2026 at 27.5°N 4.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Tunisia

Duration: 8 days

Time span: February 26 2026 to March 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 27.5 °C

Event center: 27.5°N 4.0°E

Area affected: 313896 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_2026-Feb-26_to_2026-Mar-05_4.0_27.5

Heat wave occuring from February 25 2026 to March 01 2026 at 28.0°N 353.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Mauritania
  • Morocco

Duration: 5 days

Time span: February 25 2026 to March 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 25.6 °C

Event center: 28.0°N 353.0°E

Area affected: 207080 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_2026-Feb-25_to_2026-Mar-01_353.0_28.0

Heat wave occuring from February 16 2026 to February 28 2026 at 30.5°N 352.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 13 days

Time span: February 16 2026 to February 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 19.8 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 27.6 °C

Event center: 30.5°N 352.5°E

Area affected: 1962863 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_2026-Feb-16_to_2026-Feb-28_352.5_30.5

Cold spell occuring from January 20 2026 to January 23 2026 at 23.5°N 5.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali

Duration: 4 days

Time span: January 20 2026 to January 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 12.3 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 4.2 °C

Event center: 23.5°N 5.5°E

Area affected: 250956 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-Jan-20_to_2026-Jan-23_5.5_23.5

Cold spell occuring from December 18 2025 to December 23 2025 at 22.5°N 2.0°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: December 18 2025 to December 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 14.2 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 12.2 °C

Event center: 22.5°N 2.0°E

Area affected: 57402 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-18_to_2025-Dec-23_2.0_22.5

Heat wave occuring from December 13 2025 to December 18 2025 at 21.0°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 6 days

Time span: December 13 2025 to December 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 26.3 °C

Event center: 21.0°N 6.0°E

Area affected: 133913 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_2025-Dec-13_to_2025-Dec-18_6.0_21.0

Heat wave occuring from December 05 2025 to December 11 2025 at 36.0°N 3.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria

Duration: 7 days

Time span: December 05 2025 to December 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 13.3 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 17.9 °C

Event center: 36.0°N 3.5°E

Area affected: 54727 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_2025-Dec-05_to_2025-Dec-11_3.5_36.0

Cold spell occuring from November 26 2025 to December 08 2025 at 26.0°N 1.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Tunisia

Duration: 13 days

Time span: November 26 2025 to December 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 10.0 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 0.8 °C

Event center: 26.0°N 1.5°E

Area affected: 1457236 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-26_to_2025-Dec-08_1.5_26.0

Cold spell occuring from November 22 2025 to November 25 2025 at 34.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Tunisia

Duration: 4 days

Time span: November 22 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 10.5 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 3.8 °C

Event center: 34.0°N 8.0°E

Area affected: 435732 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-22_to_2025-Nov-25_8.0_34.0