Category: Extremes affecting Botswana

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

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 13 2023 to August 17 2023 at -26.5°S 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa

Duration: 5 days

Time span: August 13 2023 to August 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 19.9 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 22.4 °C

Event center: -26.5°S 25.0°E

Area affected: 70537 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-17_25.0_-26.5

Cold spell occuring from August 02 2023 to August 06 2023 at -24.5°S 28.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa

Duration: 5 days

Time span: August 02 2023 to August 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 11.9 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 9.0 °C

Event center: -24.5°S 28.5°E

Area affected: 107500 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-02_to_2023-Aug-06_28.5_-24.5

Cold spell occuring from July 27 2023 to August 04 2023 at -19.5°S 15.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Namibia
  • South Africa

Duration: 9 days

Time span: July 27 2023 to August 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 9.6 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -1.9 °C

Event center: -19.5°S 15.5°E

Area affected: 1261029 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-27_to_2023-Aug-04_15.5_-19.5

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

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 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

Cold spell occuring from May 19 2023 to May 21 2023 at -25.5°S 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa

Duration: 3 days

Time span: May 19 2023 to May 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 10.4 °C

Event center: -25.5°S 24.0°E

Area affected: 52877 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-May-19_to_2023-May-21_24.0_-25.5