Category: Heat waves affecting Botswana

Heat wave occuring from August 01 2022 to August 05 2022 at -18.0°S 22.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 5 days

Time span: August 01 2022 to August 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 21.1 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 22.0 °C

Event center: -18.0°S 22.0°E

Area affected: 75818 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-Aug-01_to_2022-Aug-05_22.0_-18.0

Heat wave occuring from July 20 2022 to July 25 2022 at -18.0°S 23.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 6 days

Time span: July 20 2022 to July 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 20.3 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 21.1 °C

Event center: -18.0°S 23.5°E

Area affected: 50065 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-Jul-20_to_2022-Jul-25_23.5_-18.0

Heat wave occuring from July 20 2022 to August 02 2022 at -22.5°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 14 days

Time span: July 20 2022 to August 02 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 18.9 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 25.0 °C

Event center: -22.5°S 21.0°E

Area affected: 1214500 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-Jul-20_to_2022-Aug-02_21.0_-22.5

Heat wave occuring from June 19 2022 to June 25 2022 at -18.0°S 22.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 7 days

Time span: June 19 2022 to June 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 20.1 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 21.2 °C

Event center: -18.0°S 22.0°E

Area affected: 133679 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-Jun-19_to_2022-Jun-25_22.0_-18.0

Heat wave occuring from April 09 2022 to April 26 2022 at -23.0°S 44.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Madagascar
  • Malawi
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 18 days

Time span: April 09 2022 to April 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 26.3 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 30.6 °C

Event center: -23.0°S 44.0°E

Area affected: 2874208 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-Apr-09_to_2022-Apr-26_44.0_-23.0

Heat wave occuring from November 13 2021 to November 18 2021 at -26.0°S 26.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • South Africa

Duration: 6 days

Time span: November 13 2021 to November 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 30.1 °C

Event center: -26.0°S 26.0°E

Area affected: 143392 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_2021-Nov-13_to_2021-Nov-18_26.0_-26.0

Heat wave occuring from November 10 2021 to November 17 2021 at -26.5°S 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia

Duration: 8 days

Time span: November 10 2021 to November 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 31.7 °C

Event center: -26.5°S 16.0°E

Area affected: 193352 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_2021-Nov-10_to_2021-Nov-17_16.0_-26.5

Heat wave occuring from September 23 2021 to September 29 2021 at -30.5°S 27.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • South Africa

Duration: 7 days

Time span: September 23 2021 to September 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 28.1 °C

Event center: -30.5°S 27.5°E

Area affected: 453044 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_2021-Sep-23_to_2021-Sep-29_27.5_-30.5

Heat wave occuring from September 18 2021 to September 29 2021 at -15.0°S 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 12 days

Time span: September 18 2021 to September 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 27.2 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 31.2 °C

Event center: -15.0°S 15.5°E

Area affected: 482719 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_2021-Sep-18_to_2021-Sep-29_15.5_-15.0

Heat wave occuring from August 19 2021 to August 23 2021 at -21.5°S 27.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Zimbabwe

Duration: 5 days

Time span: August 19 2021 to August 23 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 22.9 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 24.5 °C

Event center: -21.5°S 27.5°E

Area affected: 57535 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_2021-Aug-19_to_2021-Aug-23_27.5_-21.5