Category: Extremes affecting Botswana

Cold spell occuring from December 29 2022 to January 04 2023 at -11.5°S 26.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 7 days

Time span: December 29 2022 to January 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 17.4 °C

Event center: -11.5°S 26.5°E

Area affected: 571362 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_2022-Dec-29_to_2023-Jan-04_26.5_-11.5

Heat wave occuring from December 25 2022 to December 30 2022 at -20.5°S 26.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Zimbabwe

Duration: 6 days

Time span: December 25 2022 to December 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 30.6 °C

Event center: -20.5°S 26.5°E

Area affected: 55184 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-Dec-25_to_2022-Dec-30_26.5_-20.5

Heat wave occuring from December 17 2022 to December 31 2022 at -14.5°S 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 15 days

Time span: December 17 2022 to December 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 31.4 °C

Event center: -14.5°S 15.0°E

Area affected: 736312 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-Dec-17_to_2022-Dec-31_15.0_-14.5

Heat wave occuring from November 27 2022 to December 04 2022 at -42.5°S 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa

Duration: 8 days

Time span: November 27 2022 to December 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 8.8 °C
  • Maximum temperature: 32.6 °C

Event center: -42.5°S 49.5°E

Area affected: 2004041 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-Nov-27_to_2022-Dec-04_49.5_-42.5

Heat wave occuring from November 15 2022 to November 23 2022 at -16.5°S 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 9 days

Time span: November 15 2022 to November 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 32.2 °C

Event center: -16.5°S 16.0°E

Area affected: 420251 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-Nov-15_to_2022-Nov-23_16.0_-16.5

Cold spell occuring from November 10 2022 to November 14 2022 at -14.0°S 22.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia
  • Zimbabwe

Duration: 5 days

Time span: November 10 2022 to November 14 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 22.3 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 19.5 °C

Event center: -14.0°S 22.0°E

Area affected: 154518 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_2022-Nov-10_to_2022-Nov-14_22.0_-14.0

Cold spell occuring from November 02 2022 to November 08 2022 at -15.5°S 24.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 7 days

Time span: November 02 2022 to November 08 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 23.1 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 20.3 °C

Event center: -15.5°S 24.5°E

Area affected: 68113 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_2022-Nov-02_to_2022-Nov-08_24.5_-15.5

Cold spell occuring from October 31 2022 to November 04 2022 at -22.0°S 25.5°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: October 31 2022 to November 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: 15.7 °C

Event center: -22.0°S 25.5°E

Area affected: 113684 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_2022-Oct-31_to_2022-Nov-04_25.5_-22.0

Cold spell occuring from September 19 2022 to September 23 2022 at -19.0°S 21.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • South Africa

Duration: 5 days

Time span: September 19 2022 to September 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 17.6 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: 11.4 °C

Event center: -19.0°S 21.5°E

Area affected: 453895 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_2022-Sep-19_to_2022-Sep-23_21.5_-19.0

Heat wave occuring from September 15 2022 to November 01 2022 at -30.0°S 46.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 48 days

Time span: September 15 2022 to November 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 31.5 °C

Event center: -30.0°S 46.0°E

Area affected: 8243285 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-Sep-15_to_2022-Nov-01_46.0_-30.0