Category: Heat waves affecting Namibia

Heat wave occuring from September 16 2023 to September 26 2023 at -18.5°S 25.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 11 days

Time span: September 16 2023 to September 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 30.7 °C

Event center: -18.5°S 25.0°E

Area affected: 618003 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-16_to_2023-Sep-26_25.0_-18.5

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

Heat wave occuring from August 27 2023 to August 30 2023 at -28.5°S 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 4 days

Time span: August 27 2023 to August 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 20.5 °C
  • Maximum temperature anomaly: 12.4 °C
  • Maximum temperature: 29.1 °C

Event center: -28.5°S 16.5°E

Area affected: 201225 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-Aug-27_to_2023-Aug-30_16.5_-28.5

Heat wave occuring from August 13 2023 to August 22 2023 at -21.5°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia

Duration: 10 days

Time span: August 13 2023 to August 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 25.1 °C

Event center: -21.5°S 21.0°E

Area affected: 122630 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-Aug-13_to_2023-Aug-22_21.0_-21.5

Heat wave occuring from August 10 2023 to September 03 2023 at -13.5°S 14.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Namibia

Duration: 25 days

Time span: August 10 2023 to September 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 22.9 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 26.7 °C

Event center: -13.5°S 14.5°E

Area affected: 176821 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-Aug-10_to_2023-Sep-03_14.5_-13.5

Heat wave occuring from August 03 2023 to August 13 2023 at -30.5°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 11 days

Time span: August 03 2023 to August 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 18.3 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 23.8 °C

Event center: -30.5°S 21.0°E

Area affected: 362596 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-Aug-03_to_2023-Aug-13_21.0_-30.5

Heat wave occuring from July 20 2023 to August 08 2023 at -13.0°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
  • Namibia
  • South Africa

Duration: 20 days

Time span: July 20 2023 to August 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 25.1 °C

Event center: -13.0°S 14.5°E

Area affected: 1340695 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-20_to_2023-Aug-08_14.5_-13.0

Heat wave occuring from July 02 2023 to July 07 2023 at -27.0°S 17.0°E

Download data: JSON

Event type: Heat wave

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

  • Namibia

Duration: 6 days

Time span: July 02 2023 to July 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 17.0 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 19.5 °C

Event center: -27.0°S 17.0°E

Area affected: 52614 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-02_to_2023-Jul-07_17.0_-27.0

Heat wave occuring from June 21 2023 to June 27 2023 at -28.5°S 24.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 7 days

Time span: June 21 2023 to June 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 16.3 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 20.3 °C

Event center: -28.5°S 24.0°E

Area affected: 533762 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-21_to_2023-Jun-27_24.0_-28.5

Heat wave occuring from April 15 2023 to April 19 2023 at -26.5°S 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 5 days

Time span: April 15 2023 to April 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: 29.0 °C

Event center: -26.5°S 15.0°E

Area affected: 118797 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-15_to_2023-Apr-19_15.0_-26.5