Category: Cold spells affecting Sudan

Cold spell occuring from September 09 2025 to September 12 2025 at 23.5°N 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Egypt
  • Sudan

Duration: 4 days

Time span: September 09 2025 to September 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 29.6 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 26.5 °C

Event center: 23.5°N 32.0°E

Area affected: 96386 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-Sep-09_to_2025-Sep-12_32.0_23.5

Cold spell occuring from August 16 2025 to September 07 2025 at 14.5°N 40.0°E

Download data: JSON

Event type: Cold spell

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

  • Central African Republic
  • Chad
  • Djibouti
  • Eritrea
  • Ethiopia
  • Kenya
  • Niger
  • Oman
  • Saudi Arabia
  • South Sudan
  • Sudan
  • Uganda
  • Yemen

Duration: 23 days

Time span: August 16 2025 to September 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 11.0 °C

Event center: 14.5°N 40.0°E

Area affected: 4160278 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-Aug-16_to_2025-Sep-07_40.0_14.5

Cold spell occuring from June 17 2025 to June 23 2025 at 18.5°N 32.5°E

Download data: JSON

Event type: Cold spell

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

  • Egypt
  • Sudan

Duration: 7 days

Time span: June 17 2025 to June 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 32.2 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 28.7 °C

Event center: 18.5°N 32.5°E

Area affected: 236037 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-Jun-17_to_2025-Jun-23_32.5_18.5

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 April 11 2025 to April 16 2025 at 20.5°N 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Egypt
  • Sudan

Duration: 6 days

Time span: April 11 2025 to April 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 20.4 °C

Event center: 20.5°N 32.0°E

Area affected: 363979 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-11_to_2025-Apr-16_32.0_20.5

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 March 21 2025 to March 23 2025 at 21.0°N 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Egypt
  • Sudan

Duration: 3 days

Time span: March 21 2025 to March 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 16.9 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 13.1 °C

Event center: 21.0°N 34.0°E

Area affected: 411636 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-21_to_2025-Mar-23_34.0_21.0

Cold spell occuring from March 07 2025 to March 12 2025 at 7.5°N 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • South Sudan
  • Sudan

Duration: 6 days

Time span: March 07 2025 to March 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 28.8 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 25.1 °C

Event center: 7.5°N 32.0°E

Area affected: 357167 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-07_to_2025-Mar-12_32.0_7.5

Cold spell occuring from December 30 2024 to January 02 2025 at 17.0°N 37.0°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Sudan

Duration: 4 days

Time span: December 30 2024 to January 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 15.1 °C

Event center: 17.0°N 37.0°E

Area affected: 82640 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-30_to_2025-Jan-02_37.0_17.0