Cold spell occuring from March 20 2023 to April 05 2023 at 9.0°N 9.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Nigeria

Duration: 17 days

Time span: March 20 2023 to April 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 27.9 °C
  • Minimum temperature anomaly: -7.5 °C
  • Minimum temperature: 19.2 °C

Event center: 9.0°N 9.5°E

Area affected: 456583 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-Mar-20_to_2023-Apr-05_9.5_9.0

Cold spell occuring from February 12 2023 to February 22 2023 at 8.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Egypt
  • Ghana
  • Libya
  • Niger
  • Nigeria
  • South Sudan
  • Sudan
  • Togo

Duration: 11 days

Time span: February 12 2023 to February 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: 4.0 °C

Event center: 8.0°N 8.0°E

Area affected: 3176562 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-12_to_2023-Feb-22_8.0_8.0

Cold spell occuring from December 20 2022 to December 31 2022 at 9.5°N 18.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Eritrea
  • Ethiopia
  • South Sudan
  • Sudan

Duration: 12 days

Time span: December 20 2022 to December 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 12.9 °C

Event center: 9.5°N 18.0°E

Area affected: 1172101 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_2022-Dec-20_to_2022-Dec-31_18.0_9.5

Cold spell occuring from October 26 2022 to November 08 2022 at 13.0°N 9.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 14 days

Time span: October 26 2022 to November 08 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 18.3 °C

Event center: 13.0°N 9.5°E

Area affected: 561985 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_2022-Oct-26_to_2022-Nov-08_9.5_13.0

Cold spell occuring from September 23 2022 to September 30 2022 at 14.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 8 days

Time span: September 23 2022 to September 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 26.4 °C

Event center: 14.0°N 8.0°E

Area affected: 102337 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_2022-Sep-23_to_2022-Sep-30_8.0_14.0

Cold spell occuring from September 16 2022 to September 22 2022 at 13.0°N 12.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 7 days

Time span: September 16 2022 to September 22 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 23.3 °C

Event center: 13.0°N 12.0°E

Area affected: 358042 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_2022-Sep-16_to_2022-Sep-22_12.0_13.0

Cold spell occuring from August 13 2022 to August 16 2022 at 12.5°N 12.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 4 days

Time span: August 13 2022 to August 16 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 24.2 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 20.8 °C

Event center: 12.5°N 12.5°E

Area affected: 247934 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_2022-Aug-13_to_2022-Aug-16_12.5_12.5

Cold spell occuring from July 15 2022 to July 21 2022 at 16.5°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 7 days

Time span: July 15 2022 to July 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 27.3 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 23.5 °C

Event center: 16.5°N 6.5°E

Area affected: 544537 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_2022-Jul-15_to_2022-Jul-21_6.5_16.5

Cold spell occuring from June 16 2022 to June 19 2022 at 9.5°N 10.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Nigeria

Duration: 4 days

Time span: June 16 2022 to June 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 19.3 °C

Event center: 9.5°N 10.5°E

Area affected: 137410 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_2022-Jun-16_to_2022-Jun-19_10.5_9.5

Cold spell occuring from April 12 2022 to April 15 2022 at 9.0°N 14.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad

Duration: 4 days

Time span: April 12 2022 to April 15 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 27.5 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 21.0 °C

Event center: 9.0°N 14.0°E

Area affected: 76446 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_2022-Apr-12_to_2022-Apr-15_14.0_9.0