Category: Extremes affecting Lesotho

Heat wave occuring from May 23 2022 to July 09 2022 at -66.5°S 71.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Lesotho
  • Namibia
  • South Africa

Duration: 48 days

Time span: May 23 2022 to July 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -22.8 °C
  • Maximum temperature anomaly: 21.0 °C
  • Maximum temperature: 28.6 °C

Event center: -66.5°S 71.5°E

Area affected: 28946985 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_2022-May-23_to_2022-Jul-09_71.5_-66.5

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

Heat wave occuring from January 30 2022 to February 03 2022 at -35.0°S 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Lesotho
  • South Africa

Duration: 5 days

Time span: January 30 2022 to February 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 23.2 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 28.4 °C

Event center: -35.0°S 25.0°E

Area affected: 804903 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_2022-Jan-30_to_2022-Feb-03_25.0_-35.0

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

Heat wave occuring from November 13 2021 to November 18 2021 at -26.0°S 26.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • South Africa

Duration: 6 days

Time span: November 13 2021 to November 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 30.1 °C

Event center: -26.0°S 26.0°E

Area affected: 143392 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_2021-Nov-13_to_2021-Nov-18_26.0_-26.0

Heat wave occuring from October 11 2021 to October 18 2021 at -24.5°S 37.5°E

Download data: JSON

Event type: Heat wave

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

  • Eswatini
  • Lesotho
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 8 days

Time span: October 11 2021 to October 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 25.6 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 34.5 °C

Event center: -24.5°S 37.5°E

Area affected: 1228209 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_2021-Oct-11_to_2021-Oct-18_37.5_-24.5

Heat wave occuring from September 23 2021 to September 29 2021 at -30.5°S 27.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • South Africa

Duration: 7 days

Time span: September 23 2021 to September 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 28.1 °C

Event center: -30.5°S 27.5°E

Area affected: 453044 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_2021-Sep-23_to_2021-Sep-29_27.5_-30.5

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