Category: Extremes affecting Algeria

Heat wave occuring from June 17 2023 to June 20 2023 at 19.0°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 4 days

Time span: June 17 2023 to June 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 37.9 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 39.7 °C

Event center: 19.0°N 7.0°E

Area affected: 96113 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_2023-Jun-17_to_2023-Jun-20_7.0_19.0

Heat wave occuring from June 09 2023 to June 15 2023 at 25.5°N 5.5°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: June 09 2023 to June 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 35.5 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 39.4 °C

Event center: 25.5°N 5.5°E

Area affected: 128594 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_2023-Jun-09_to_2023-Jun-15_5.5_25.5

Cold spell occuring from May 29 2023 to June 02 2023 at 35.0°N 7.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Tunisia

Duration: 5 days

Time span: May 29 2023 to June 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: 12.9 °C

Event center: 35.0°N 7.0°E

Area affected: 63268 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_2023-May-29_to_2023-Jun-02_7.0_35.0

Cold spell occuring from May 17 2023 to June 07 2023 at 33.0°N 355.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 22 days

Time span: May 17 2023 to June 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 3.2 °C

Event center: 33.0°N 355.5°E

Area affected: 2746990 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_2023-May-17_to_2023-Jun-07_355.5_33.0

Cold spell occuring from February 28 2023 to March 04 2023 at 36.0°N 0.5°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: February 28 2023 to March 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 4.9 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 2.2 °C

Event center: 36.0°N 0.5°E

Area affected: 65954 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_2023-Feb-28_to_2023-Mar-04_0.5_36.0

Cold spell occuring from February 11 2023 to February 19 2023 at 31.5°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

Duration: 9 days

Time span: February 11 2023 to February 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 10.3 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: -1.2 °C

Event center: 31.5°N 354.5°E

Area affected: 259254 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_2023-Feb-11_to_2023-Feb-19_354.5_31.5

Cold spell occuring from January 18 2023 to February 03 2023 at 31.5°N 2.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Andorra
  • France
  • Germany
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Portugal
  • Spain
  • Switzerland
  • Tunisia

Duration: 17 days

Time span: January 18 2023 to February 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 9.0 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: -5.0 °C

Event center: 33.0°N 355.0°E

Area affected: 4478155 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_2023-Jan-18_to_2023-Feb-03_2.5_31.5

Heat wave occuring from January 15 2023 to January 21 2023 at 21.5°N 357.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali

Duration: 7 days

Time span: January 15 2023 to January 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 21.1 °C

Event center: 21.5°N 357.5°E

Area affected: 68917 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_2023-Jan-15_to_2023-Jan-21_357.5_21.5

Heat wave occuring from January 06 2023 to January 10 2023 at 14.0°N 359.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Mali
  • Niger

Duration: 5 days

Time span: January 06 2023 to January 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 29.0 °C

Event center: 14.0°N 359.5°E

Area affected: 507984 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_2023-Jan-06_to_2023-Jan-10_359.5_14.0

Heat wave occuring from December 25 2022 to January 04 2023 at 27.5°N 3.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria

Duration: 11 days

Time span: December 25 2022 to January 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 17.1 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 20.9 °C

Event center: 27.5°N 3.0°E

Area affected: 284738 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_2022-Dec-25_to_2023-Jan-04_3.0_27.5