Category: Extremes affecting Botswana

Cold spell occuring from August 28 2020 to September 04 2020 at -27.0°S 15.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 8 days

Time span: August 28 2020 to September 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 12.4 °C
  • Minimum temperature anomaly: -10.2 °C
  • Minimum temperature: 1.6 °C

Event center: -27.0°S 15.0°E

Area affected: 2612420 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-Aug-28_to_2020-Sep-04_15.0_-27.0

Heat wave occuring from August 25 2020 to August 29 2020 at -19.0°S 19.0°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 25 2020 to August 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 26.9 °C

Event center: -19.0°S 19.0°E

Area affected: 195127 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-Aug-25_to_2020-Aug-29_19.0_-19.0

Cold spell occuring from August 18 2020 to August 21 2020 at -18.0°S 20.5°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: 4 days

Time span: August 18 2020 to August 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 12.6 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 1.9 °C

Event center: -18.0°S 20.5°E

Area affected: 911396 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-Aug-18_to_2020-Aug-21_20.5_-18.0

Heat wave occuring from July 07 2020 to July 10 2020 at -27.0°S 23.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa

Duration: 4 days

Time span: July 07 2020 to July 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 15.3 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 18.9 °C

Event center: -27.0°S 23.5°E

Area affected: 120960 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-Jul-07_to_2020-Jul-10_23.5_-27.0

Cold spell occuring from June 18 2020 to June 22 2020 at -22.0°S 26.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana

Duration: 5 days

Time span: June 18 2020 to June 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 13.5 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 10.7 °C

Event center: -22.0°S 26.0°E

Area affected: 54722 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-Jun-18_to_2020-Jun-22_26.0_-22.0

Cold spell occuring from June 14 2020 to June 26 2020 at -8.5°S 16.5°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
  • Namibia
  • Zambia

Duration: 13 days

Time span: June 14 2020 to June 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 11.8 °C

Event center: -8.5°S 16.5°E

Area affected: 1593503 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-Jun-14_to_2020-Jun-26_16.5_-8.5

Heat wave occuring from June 13 2020 to September 15 2020 at -10.5°S 13.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Benin
  • Botswana
  • Burundi
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo, The Democratic Republic of the
  • Côte d’Ivoire
  • Equatorial Guinea
  • Gabon
  • Ghana
  • Kenya
  • Liberia
  • Malawi
  • Mali
  • Mozambique
  • Namibia
  • Nigeria
  • Rwanda
  • South Africa
  • South Sudan
  • Tanzania, United Republic of
  • Togo
  • Uganda
  • Zambia
  • Zimbabwe

Duration: 95 days

Time span: June 13 2020 to September 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 30.4 °C

Event center: -10.5°S 13.0°E

Area affected: 18321923 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-Jun-13_to_2020-Sep-15_13.0_-10.5

Cold spell occuring from June 10 2020 to June 20 2020 at -25.5°S 30.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 11 days

Time span: June 10 2020 to June 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 8.0 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: -3.4 °C

Event center: -25.5°S 30.5°E

Area affected: 1909501 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-Jun-10_to_2020-Jun-20_30.5_-25.5

Cold spell occuring from May 18 2020 to May 24 2020 at -18.5°S 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 7 days

Time span: May 18 2020 to May 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 16.9 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 15.3 °C

Event center: -18.5°S 20.5°E

Area affected: 61590 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-May-18_to_2020-May-24_20.5_-18.5

Cold spell occuring from April 21 2020 to April 26 2020 at -16.5°S 20.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 6 days

Time span: April 21 2020 to April 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 19.9 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 18.4 °C

Event center: -16.5°S 20.0°E

Area affected: 275198 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-Apr-21_to_2020-Apr-26_20.0_-16.5