Category: Cold spells affecting Lesotho

Cold spell occuring from January 04 2023 to January 08 2023 at -30.5°S 27.5°E

Download data: JSON

Event type: Cold spell

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

  • Lesotho
  • South Africa

Duration: 5 days

Time span: January 04 2023 to January 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 15.5 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: 7.7 °C

Event center: -30.5°S 27.5°E

Area affected: 286719 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_2023-Jan-04_to_2023-Jan-08_27.5_-30.5

Cold spell occuring from April 15 2022 to April 25 2022 at -16.0°S 18.0°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
  • Zambia
  • Zimbabwe

Duration: 11 days

Time span: April 15 2022 to April 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 18.3 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 5.7 °C

Event center: -16.0°S 18.0°E

Area affected: 2164666 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-Apr-15_to_2022-Apr-25_18.0_-16.0

Cold spell occuring from March 25 2022 to April 18 2022 at -15.0°S 12.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 25 days

Time span: March 25 2022 to April 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 4.6 °C

Event center: -15.0°S 12.0°E

Area affected: 1777953 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-Mar-25_to_2022-Apr-18_12.0_-15.0

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 November 23 2021 to November 28 2021 at -25.0°S 30.0°E

Download data: JSON

Event type: Cold spell

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

  • Eswatini
  • Lesotho
  • Mozambique
  • South Africa

Duration: 6 days

Time span: November 23 2021 to November 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 15.2 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 6.3 °C

Event center: -25.0°S 30.0°E

Area affected: 278852 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-Nov-23_to_2021-Nov-28_30.0_-25.0

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 March 24 2021 to March 28 2021 at -29.5°S 27.5°E

Download data: JSON

Event type: Cold spell

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

  • Lesotho
  • South Africa

Duration: 5 days

Time span: March 24 2021 to March 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 14.1 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 9.2 °C

Event center: -29.5°S 27.5°E

Area affected: 51245 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-Mar-24_to_2021-Mar-28_27.5_-29.5

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 September 26 2020 to September 29 2020 at -28.0°S 26.5°E

Download data: JSON

Event type: Cold spell

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

  • Lesotho
  • South Africa

Duration: 4 days

Time span: September 26 2020 to September 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 12.0 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 7.1 °C

Event center: -28.0°S 26.5°E

Area affected: 165747 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-Sep-26_to_2020-Sep-29_26.5_-28.0