Category: Extremes affecting Botswana

Cold spell occuring from December 31 2020 to January 06 2021 at -29.5°S 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 7 days

Time span: December 31 2020 to January 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 11.9 °C

Event center: -29.5°S 24.0°E

Area affected: 415933 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_2020-Dec-31_to_2021-Jan-06_24.0_-29.5

Cold spell occuring from December 13 2020 to December 20 2020 at -23.5°S 26.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: December 13 2020 to December 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 21.9 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 18.8 °C

Event center: -23.5°S 26.0°E

Area affected: 449245 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_2020-Dec-13_to_2020-Dec-20_26.0_-23.5

Cold spell occuring from December 02 2020 to December 08 2020 at -18.0°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 7 days

Time span: December 02 2020 to December 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 17.3 °C

Event center: -18.0°S 27.0°E

Area affected: 462861 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_2020-Dec-02_to_2020-Dec-08_27.0_-18.0

Heat wave occuring from November 30 2020 to December 25 2020 at -14.0°S 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 26 days

Time span: November 30 2020 to December 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 32.0 °C

Event center: -14.0°S 16.5°E

Area affected: 647813 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_2020-Nov-30_to_2020-Dec-25_16.5_-14.0

Cold spell occuring from November 15 2020 to November 22 2020 at -18.5°S 21.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 8 days

Time span: November 15 2020 to November 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 22.7 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 21.3 °C

Event center: -18.5°S 21.0°E

Area affected: 117377 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_2020-Nov-15_to_2020-Nov-22_21.0_-18.5

Cold spell occuring from October 10 2020 to October 13 2020 at -23.5°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: 4 days

Time span: October 10 2020 to October 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 18.1 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 14.3 °C

Event center: -23.5°S 24.0°E

Area affected: 240673 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_2020-Oct-10_to_2020-Oct-13_24.0_-23.5

Cold spell occuring from October 06 2020 to October 08 2020 at -24.0°S 22.5°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: October 06 2020 to October 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 18.6 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 16.2 °C

Event center: -24.0°S 22.5°E

Area affected: 181031 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_2020-Oct-06_to_2020-Oct-08_22.5_-24.0

Cold spell occuring from October 01 2020 to October 03 2020 at -25.5°S 18.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 3 days

Time span: October 01 2020 to October 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 15.6 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 12.7 °C

Event center: -25.5°S 18.5°E

Area affected: 63590 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_2020-Oct-01_to_2020-Oct-03_18.5_-25.5

Heat wave occuring from September 24 2020 to November 19 2020 at -12.0°S 287.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Argentina
  • Bolivia, Plurinational State of
  • Botswana
  • Brazil
  • Burundi
  • Colombia
  • Congo, The Democratic Republic of the
  • Costa Rica
  • Ecuador
  • Eswatini
  • Honduras
  • Lesotho
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • Nicaragua
  • Panama
  • Paraguay
  • Peru
  • Rwanda
  • South Africa
  • Tanzania, United Republic of
  • Uganda
  • Uruguay
  • Zambia
  • Zimbabwe

Duration: 57 days

Time span: September 24 2020 to November 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 14.9 °C
  • Maximum temperature: 36.5 °C

Event center: -12.0°S 287.5°E

Area affected: 22419625 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_2020-Sep-24_to_2020-Nov-19_287.5_-12.0

Heat wave occuring from September 04 2020 to September 12 2020 at -27.5°S 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 9 days

Time span: September 04 2020 to September 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 13.1 °C
  • Maximum temperature: 31.0 °C

Event center: -27.5°S 17.5°E

Area affected: 474035 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_2020-Sep-04_to_2020-Sep-12_17.5_-27.5