Category: Cold spells affecting Chad

Cold spell occuring from May 26 2025 to June 08 2025 at 18.5°N 31.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Egypt
  • Libya
  • Sudan

Duration: 14 days

Time span: May 26 2025 to June 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 27.4 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 19.7 °C

Event center: 18.5°N 31.5°E

Area affected: 2186428 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-May-26_to_2025-Jun-08_31.5_18.5

Cold spell occuring from April 30 2025 to May 09 2025 at 13.5°N 28.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Chad
  • Egypt
  • Eritrea
  • Libya
  • Niger
  • Sudan

Duration: 10 days

Time span: April 30 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 16.0 °C

Event center: 13.5°N 28.0°E

Area affected: 4297318 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-Apr-30_to_2025-May-09_28.0_13.5

Cold spell occuring from March 22 2025 to March 25 2025 at 11.5°N 26.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Libya
  • South Sudan
  • Sudan

Duration: 4 days

Time span: March 22 2025 to March 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 15.2 °C

Event center: 11.5°N 26.5°E

Area affected: 852348 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-22_to_2025-Mar-25_26.5_11.5

Cold spell occuring from December 16 2024 to December 21 2024 at 11.5°N 16.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad

Duration: 6 days

Time span: December 16 2024 to December 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 21.4 °C

Event center: 11.5°N 16.5°E

Area affected: 106442 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-16_to_2024-Dec-21_16.5_11.5

Cold spell occuring from November 14 2024 to December 08 2024 at 11.0°N 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Côte d’Ivoire
  • Egypt
  • Ghana
  • Libya
  • Mali
  • Niger
  • Nigeria
  • Sudan
  • Togo

Duration: 25 days

Time span: November 14 2024 to December 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 8.3 °C

Event center: 11.0°N 16.0°E

Area affected: 4509535 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-Nov-14_to_2024-Dec-08_16.0_11.0

Cold spell occuring from October 24 2024 to November 12 2024 at 13.0°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Cameroon
  • Chad
  • Ghana
  • Mali
  • Niger
  • Nigeria

Duration: 20 days

Time span: October 24 2024 to November 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 26.0 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 20.5 °C

Event center: 13.0°N 10.0°E

Area affected: 914863 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-24_to_2024-Nov-12_10.0_13.0

Cold spell occuring from July 27 2024 to September 29 2024 at 17.0°N 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Chad
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Kenya
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • Saudi Arabia
  • Somalia
  • South Sudan
  • Sudan
  • Yemen

Duration: 65 days

Time span: July 27 2024 to September 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 27.3 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: 11.9 °C

Event center: 17.0°N 20.5°E

Area affected: 6751188 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-Jul-27_to_2024-Sep-29_20.5_17.0

Cold spell occuring from January 29 2024 to February 04 2024 at 31.0°N 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Egypt
  • Eritrea
  • Libya
  • Saudi Arabia
  • Sudan

Duration: 7 days

Time span: January 29 2024 to February 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 11.8 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 5.1 °C

Event center: 31.0°N 23.0°E

Area affected: 2035746 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-Jan-29_to_2024-Feb-04_23.0_31.0

Cold spell occuring from September 30 2023 to October 12 2023 at 21.5°N 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Chad
  • Libya
  • Niger

Duration: 13 days

Time span: September 30 2023 to October 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 22.1 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: 14.2 °C

Event center: 21.5°N 17.5°E

Area affected: 440371 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-Sep-30_to_2023-Oct-12_17.5_21.5

Cold spell occuring from June 05 2023 to June 16 2023 at 13.5°N 24.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Mali
  • Niger
  • Nigeria
  • Sudan

Duration: 12 days

Time span: June 05 2023 to June 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 29.0 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 21.1 °C

Event center: 13.5°N 24.5°E

Area affected: 1201591 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-Jun-05_to_2023-Jun-16_24.5_13.5