Category: Cold spells affecting Botswana

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

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

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

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

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