Category: Extremes affecting Zambia

Heat wave occuring from September 01 2023 to September 11 2023 at -23.0°S 26.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 11 days

Time span: September 01 2023 to September 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 27.8 °C

Event center: -23.0°S 26.5°E

Area affected: 778976 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-Sep-01_to_2023-Sep-11_26.5_-23.0

Cold spell occuring from August 28 2023 to August 31 2023 at -13.5°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 4 days

Time span: August 28 2023 to August 31 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 18.5 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 13.1 °C

Event center: -13.5°S 32.0°E

Area affected: 235280 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-Aug-28_to_2023-Aug-31_32.0_-13.5

Cold spell occuring from August 27 2023 to September 02 2023 at -14.5°S 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Zambia
  • Zimbabwe

Duration: 7 days

Time span: August 27 2023 to September 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 17.5 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 11.0 °C

Event center: -14.5°S 23.5°E

Area affected: 534120 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-Aug-27_to_2023-Sep-02_23.5_-14.5

Cold spell occuring from August 10 2023 to August 13 2023 at -11.5°S 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Zambia

Duration: 4 days

Time span: August 10 2023 to August 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 17.6 °C

Event center: -11.5°S 23.5°E

Area affected: 72531 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-Aug-10_to_2023-Aug-13_23.5_-11.5

Cold spell occuring from August 04 2023 to August 06 2023 at -11.0°S 24.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Zambia

Duration: 3 days

Time span: August 04 2023 to August 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 17.2 °C

Event center: -11.0°S 24.5°E

Area affected: 60536 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-Aug-04_to_2023-Aug-06_24.5_-11.0

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 July 09 2023 to July 15 2023 at -17.0°S 13.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 7 days

Time span: July 09 2023 to July 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 11.5 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 2.2 °C

Event center: -17.0°S 13.0°E

Area affected: 1917815 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-Jul-09_to_2023-Jul-15_13.0_-17.0

Heat wave occuring from June 28 2023 to July 06 2023 at -20.5°S 26.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Zambia
  • Zimbabwe

Duration: 9 days

Time span: June 28 2023 to July 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 19.0 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 22.4 °C

Event center: -20.5°S 26.0°E

Area affected: 125885 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-Jun-28_to_2023-Jul-06_26.0_-20.5

Heat wave occuring from April 08 2023 to April 11 2023 at -17.0°S 27.0°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 4 days

Time span: April 08 2023 to April 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 24.7 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 27.9 °C

Event center: -17.0°S 27.0°E

Area affected: 89054 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-11_27.0_-17.0

Heat wave occuring from April 01 2023 to May 14 2023 at -18.5°S 14.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 44 days

Time span: April 01 2023 to May 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 31.4 °C

Event center: -18.5°S 14.5°E

Area affected: 2862259 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-01_to_2023-May-14_14.5_-18.5