Heat wave occuring from March 20 2023 to April 04 2023 at 5.5°N 47.5°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Somalia

Duration: 16 days

Time span: March 20 2023 to April 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 31.4 °C

Event center: 5.5°N 47.5°E

Area affected: 319749 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-Mar-20_to_2023-Apr-04_47.5_5.5

Cold spell occuring from March 16 2023 to March 23 2023 at 12.0°N 41.0°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Ethiopia

Duration: 8 days

Time span: March 16 2023 to March 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 25.4 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 19.4 °C

Event center: 12.0°N 41.0°E

Area affected: 102820 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-16_to_2023-Mar-23_41.0_12.0

Cold spell occuring from March 09 2023 to April 01 2023 at 4.5°N 42.5°E

Download data: JSON

Event type: Cold spell

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

  • Congo, The Democratic Republic of the
  • Ethiopia
  • Kenya
  • Somalia
  • South Sudan
  • Uganda

Duration: 24 days

Time span: March 09 2023 to April 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 25.1 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 12.9 °C

Event center: 4.5°N 42.5°E

Area affected: 1226427 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-09_to_2023-Apr-01_42.5_4.5

Heat wave occuring from February 02 2023 to February 18 2023 at 6.0°N 37.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia

Duration: 17 days

Time span: February 02 2023 to February 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 33.5 °C

Event center: 6.0°N 37.0°E

Area affected: 157103 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-Feb-02_to_2023-Feb-18_37.0_6.0

Heat wave occuring from January 31 2023 to February 14 2023 at 14.0°N 44.5°E

Download data: JSON

Event type: Heat wave

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

  • Djibouti
  • Eritrea
  • Ethiopia
  • Oman
  • Saudi Arabia
  • Yemen

Duration: 15 days

Time span: January 31 2023 to February 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 24.9 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 31.0 °C

Event center: 14.0°N 44.5°E

Area affected: 396404 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-31_to_2023-Feb-14_44.5_14.0

Heat wave occuring from January 23 2023 to February 12 2023 at 5.5°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • South Sudan
  • Uganda

Duration: 21 days

Time span: January 23 2023 to February 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 33.4 °C

Event center: 5.5°N 38.0°E

Area affected: 254831 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-23_to_2023-Feb-12_38.0_5.5

Heat wave occuring from January 15 2023 to January 27 2023 at 2.5°N 40.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia

Duration: 13 days

Time span: January 15 2023 to January 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 30.1 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 32.5 °C

Event center: 2.5°N 40.0°E

Area affected: 191440 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-27_40.0_2.5

Heat wave occuring from January 06 2023 to January 13 2023 at 5.5°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia

Duration: 8 days

Time span: January 06 2023 to January 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 31.7 °C

Event center: 5.5°N 38.0°E

Area affected: 129259 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-13_38.0_5.5

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

Heat wave occuring from November 02 2022 to November 09 2022 at 9.0°N 40.5°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia

Duration: 8 days

Time span: November 02 2022 to November 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 30.2 °C

Event center: 9.0°N 40.5°E

Area affected: 54906 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-Nov-02_to_2022-Nov-09_40.5_9.0