Category: Cold spells affecting Botswana

Cold spell occuring from December 15 2021 to January 03 2022 at -34.5°S 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Eswatini
  • Lesotho
  • Madagascar
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 20 days

Time span: December 15 2021 to January 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -9.8 °C
  • Minimum temperature: 3.9 °C

Event center: -34.5°S 23.5°E

Area affected: 6195691 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_2021-Dec-15_to_2022-Jan-03_23.5_-34.5

Cold spell occuring from December 04 2021 to December 06 2021 at -28.5°S 20.0°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: December 04 2021 to December 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: 12.8 °C

Event center: -28.5°S 20.0°E

Area affected: 364293 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_2021-Dec-04_to_2021-Dec-06_20.0_-28.5

Cold spell occuring from October 17 2021 to October 24 2021 at -27.5°S 35.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Eswatini
  • Madagascar
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: October 17 2021 to October 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 20.0 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: 8.9 °C

Event center: -27.5°S 35.0°E

Area affected: 2453450 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_2021-Oct-17_to_2021-Oct-24_35.0_-27.5

Cold spell occuring from October 16 2021 to October 18 2021 at -25.0°S 17.5°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 16 2021 to October 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 17.6 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 14.7 °C

Event center: -25.0°S 17.5°E

Area affected: 168286 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_2021-Oct-16_to_2021-Oct-18_17.5_-25.0

Cold spell occuring from August 27 2021 to August 30 2021 at -19.0°S 15.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 4 days

Time span: August 27 2021 to August 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 14.2 °C
  • Minimum temperature anomaly: -10.7 °C
  • Minimum temperature: 4.1 °C

Event center: -19.0°S 15.5°E

Area affected: 447866 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_2021-Aug-27_to_2021-Aug-30_15.5_-19.0

Cold spell occuring from July 20 2021 to August 14 2021 at -11.5°S 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Burundi
  • Congo, The Democratic Republic of the
  • Eswatini
  • Lesotho
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 26 days

Time span: July 20 2021 to August 14 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 14.7 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -4.1 °C

Event center: -11.5°S 22.5°E

Area affected: 8651959 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_2021-Jul-20_to_2021-Aug-14_22.5_-11.5

Cold spell occuring from July 12 2021 to July 16 2021 at -30.0°S 26.5°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: 5 days

Time span: July 12 2021 to July 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: 6.4 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: -2.4 °C

Event center: -30.0°S 26.5°E

Area affected: 736343 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_2021-Jul-12_to_2021-Jul-16_26.5_-30.0

Cold spell occuring from June 01 2021 to June 06 2021 at -21.0°S 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia

Duration: 6 days

Time span: June 01 2021 to June 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 9.0 °C

Event center: -21.0°S 22.5°E

Area affected: 80191 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_2021-Jun-01_to_2021-Jun-06_22.5_-21.0

Cold spell occuring from May 19 2021 to June 13 2021 at -10.0°S 22.5°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
  • Eswatini
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 26 days

Time span: May 19 2021 to June 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 18.8 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: 9.7 °C

Event center: -10.0°S 22.5°E

Area affected: 4856889 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_2021-May-19_to_2021-Jun-13_22.5_-10.0

Cold spell occuring from May 08 2021 to May 20 2021 at -10.0°S 23.5°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: May 08 2021 to May 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 15.4 °C

Event center: -10.0°S 23.5°E

Area affected: 959955 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_2021-May-08_to_2021-May-20_23.5_-10.0