Heat wave occuring from October 12 2023 to October 15 2023 at -1.0°S 31.5°E

Download data: JSON

Event type: Heat wave

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

  • Tanzania, United Republic of
  • Uganda

Duration: 4 days

Time span: October 12 2023 to October 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 23.8 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 25.9 °C

Event center: -1.0°S 31.5°E

Area affected: 80351 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-Oct-12_to_2023-Oct-15_31.5_-1.0

Heat wave occuring from July 09 2023 to July 11 2023 at -9.0°S 33.5°E

Download data: JSON

Event type: Heat wave

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

  • Malawi
  • Tanzania, United Republic of
  • Zambia

Duration: 3 days

Time span: July 09 2023 to July 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 19.0 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 23.2 °C

Event center: -9.0°S 33.5°E

Area affected: 118680 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-Jul-09_to_2023-Jul-11_33.5_-9.0

Cold spell occuring from June 25 2023 to June 28 2023 at -12.5°S 37.5°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of

Duration: 4 days

Time span: June 25 2023 to June 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 19.1 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 15.5 °C

Event center: -12.5°S 37.5°E

Area affected: 96234 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-25_to_2023-Jun-28_37.5_-12.5

Cold spell occuring from April 28 2023 to May 04 2023 at -2.0°S 32.5°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: 7 days

Time span: April 28 2023 to May 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 17.2 °C

Event center: -2.0°S 32.5°E

Area affected: 89615 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-Apr-28_to_2023-May-04_32.5_-2.0

Heat wave occuring from April 08 2023 to April 12 2023 at -6.0°S 30.5°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Congo, The Democratic Republic of the
  • Tanzania, United Republic of

Duration: 5 days

Time span: April 08 2023 to April 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 23.1 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 25.7 °C

Event center: -6.0°S 30.5°E

Area affected: 147489 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-Apr-08_to_2023-Apr-12_30.5_-6.0

Heat wave occuring from April 06 2023 to April 14 2023 at -3.5°S 37.5°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: 9 days

Time span: April 06 2023 to April 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 28.9 °C

Event center: -3.5°S 37.5°E

Area affected: 76967 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-Apr-06_to_2023-Apr-14_37.5_-3.5

Cold spell occuring from March 26 2023 to April 03 2023 at -13.0°S 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of

Duration: 9 days

Time span: March 26 2023 to April 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 18.2 °C

Event center: -13.0°S 36.5°E

Area affected: 255964 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-26_to_2023-Apr-03_36.5_-13.0

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 10 2023 to March 21 2023 at -17.5°S 37.5°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 12 days

Time span: March 10 2023 to March 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 15.2 °C

Event center: -17.5°S 37.5°E

Area affected: 1037612 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-10_to_2023-Mar-21_37.5_-17.5

Cold spell occuring from January 21 2023 to January 24 2023 at -13.0°S 33.5°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of
  • Zambia

Duration: 4 days

Time span: January 21 2023 to January 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 21.4 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 15.2 °C

Event center: -13.0°S 33.5°E

Area affected: 341295 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-Jan-21_to_2023-Jan-24_33.5_-13.0