Category: Cold spells affecting Algeria

Cold spell occuring from December 29 2020 to January 19 2021 at 40.0°N 357.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Andorra
  • Austria
  • France
  • Germany
  • Ireland
  • Italy
  • Morocco
  • Portugal
  • Spain
  • Switzerland
  • Tunisia
  • United Kingdom

Duration: 22 days

Time span: December 29 2020 to January 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 9.4 °C
  • Minimum temperature anomaly: -13.3 °C
  • Minimum temperature: -11.2 °C

Event center: 40.0°N 357.0°E

Area affected: 5431998 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_2020-Dec-29_to_2021-Jan-19_357.0_40.0

Cold spell occuring from November 22 2020 to November 29 2020 at 16.5°N 357.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Gambia
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 8 days

Time span: November 22 2020 to November 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 21.9 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 15.7 °C

Event center: 16.5°N 357.5°E

Area affected: 1162395 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_2020-Nov-22_to_2020-Nov-29_357.5_16.5

Cold spell occuring from November 22 2020 to November 26 2020 at 25.0°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya

Duration: 5 days

Time span: November 22 2020 to November 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 12.1 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 8.9 °C

Event center: 25.0°N 9.0°E

Area affected: 173173 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_2020-Nov-22_to_2020-Nov-26_9.0_25.0

Cold spell occuring from August 31 2020 to September 07 2020 at 33.5°N 6.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Morocco
  • Tunisia

Duration: 8 days

Time span: August 31 2020 to September 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 26.1 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: 18.5 °C

Event center: 33.5°N 6.0°E

Area affected: 390644 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_2020-Aug-31_to_2020-Sep-07_6.0_33.5

Cold spell occuring from August 29 2020 to September 01 2020 at 21.5°N 355.0°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: August 29 2020 to September 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 33.0 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 30.5 °C

Event center: 21.5°N 355.0°E

Area affected: 62933 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_2020-Aug-29_to_2020-Sep-01_355.0_21.5

Cold spell occuring from August 28 2020 to September 06 2020 at 18.0°N 356.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Niger

Duration: 10 days

Time span: August 28 2020 to September 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 29.3 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 25.7 °C

Event center: 17.0°N 2.5°E

Area affected: 743486 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_2020-Aug-28_to_2020-Sep-06_356.0_18.0

Cold spell occuring from July 26 2020 to July 31 2020 at 23.5°N 355.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Mauritania

Duration: 6 days

Time span: July 26 2020 to July 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 35.1 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 33.5 °C

Event center: 23.5°N 355.0°E

Area affected: 251969 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_2020-Jul-26_to_2020-Jul-31_355.0_23.5

Cold spell occuring from July 08 2020 to July 12 2020 at 23.0°N 356.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali

Duration: 5 days

Time span: July 08 2020 to July 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 35.7 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 34.1 °C

Event center: 23.0°N 356.0°E

Area affected: 79202 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_2020-Jul-08_to_2020-Jul-12_356.0_23.0

Cold spell occuring from July 08 2020 to July 12 2020 at 24.5°N 1.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali

Duration: 5 days

Time span: July 08 2020 to July 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 35.2 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 32.6 °C

Event center: 24.5°N 1.0°E

Area affected: 68165 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_2020-Jul-08_to_2020-Jul-12_1.0_24.5

Cold spell occuring from July 05 2020 to July 09 2020 at 29.5°N 8.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Tunisia

Duration: 5 days

Time span: July 05 2020 to July 09 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 28.8 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 21.9 °C

Event center: 29.5°N 8.5°E

Area affected: 365623 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_2020-Jul-05_to_2020-Jul-09_8.5_29.5