Cold spell occuring from March 14 2023 to March 21 2023 at -0.5°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Tanzania, United Republic of
  • Uganda

Duration: 8 days

Time span: March 14 2023 to March 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 22.1 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 21.2 °C

Event center: -0.5°S 34.0°E

Area affected: 64899 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-14_to_2023-Mar-21_34.0_-0.5

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 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 18 2023 to February 11 2023 at -1.0°S 35.0°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of
  • Uganda

Duration: 25 days

Time span: January 18 2023 to February 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 24.6 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 31.7 °C

Event center: -1.0°S 35.0°E

Area affected: 281066 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-18_to_2023-Feb-11_35.0_-1.0

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

Cold spell occuring from December 30 2022 to January 05 2023 at -0.5°S 37.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya

Duration: 7 days

Time span: December 30 2022 to January 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 17.8 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 12.7 °C

Event center: -0.5°S 37.0°E

Area affected: 71083 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-30_to_2023-Jan-05_37.0_-0.5

Heat wave occuring from December 17 2022 to December 21 2022 at -5.5°S 38.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 5 days

Time span: December 17 2022 to December 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 31.2 °C

Event center: -5.5°S 38.5°E

Area affected: 104564 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-Dec-17_to_2022-Dec-21_38.5_-5.5

Heat wave occuring from November 26 2022 to December 11 2022 at -1.5°S 35.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 16 days

Time span: November 26 2022 to December 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 31.2 °C

Event center: -1.5°S 35.5°E

Area affected: 338987 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-26_to_2022-Dec-11_35.5_-1.5

Heat wave occuring from November 20 2022 to November 23 2022 at -6.0°S 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 4 days

Time span: November 20 2022 to November 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 30.7 °C

Event center: -6.0°S 38.0°E

Area affected: 70601 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-20_to_2022-Nov-23_38.0_-6.0