Category: Heat waves affecting Lesotho

Heat wave occuring from September 01 2023 to September 11 2023 at -23.0°S 26.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 11 days

Time span: September 01 2023 to September 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 27.8 °C

Event center: -23.0°S 26.5°E

Area affected: 778976 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_2023-Sep-01_to_2023-Sep-11_26.5_-23.0

Heat wave occuring from July 20 2023 to August 08 2023 at -13.0°S 14.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 20 days

Time span: July 20 2023 to August 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 25.1 °C

Event center: -13.0°S 14.5°E

Area affected: 1340695 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_2023-Jul-20_to_2023-Aug-08_14.5_-13.0

Heat wave occuring from June 21 2023 to June 27 2023 at -28.5°S 24.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 7 days

Time span: June 21 2023 to June 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 16.3 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 20.3 °C

Event center: -28.5°S 24.0°E

Area affected: 533762 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_2023-Jun-21_to_2023-Jun-27_24.0_-28.5

Heat wave occuring from April 01 2023 to May 14 2023 at -18.5°S 14.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 44 days

Time span: April 01 2023 to May 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 31.4 °C

Event center: -18.5°S 14.5°E

Area affected: 2862259 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_2023-Apr-01_to_2023-May-14_14.5_-18.5

Heat wave occuring from January 06 2023 to February 02 2023 at -44.5°S 30.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • French Southern Territories
  • Lesotho
  • Madagascar
  • Mozambique
  • Namibia
  • South Africa

Duration: 28 days

Time span: January 06 2023 to February 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 36.1 °C

Event center: -44.5°S 30.0°E

Area affected: 13158331 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_2023-Jan-06_to_2023-Feb-02_30.0_-44.5

Heat wave occuring from September 15 2022 to November 01 2022 at -30.0°S 46.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 48 days

Time span: September 15 2022 to November 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 31.5 °C

Event center: -30.0°S 46.0°E

Area affected: 8243285 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-Sep-15_to_2022-Nov-01_46.0_-30.0

Heat wave occuring from August 09 2022 to August 13 2022 at -29.5°S 29.0°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: August 09 2022 to August 13 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 13.7 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 18.3 °C

Event center: -29.5°S 29.0°E

Area affected: 68360 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-Aug-09_to_2022-Aug-13_29.0_-29.5

Heat wave occuring from July 20 2022 to August 02 2022 at -22.5°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 14 days

Time span: July 20 2022 to August 02 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 18.9 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 25.0 °C

Event center: -22.5°S 21.0°E

Area affected: 1214500 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-Jul-20_to_2022-Aug-02_21.0_-22.5

Heat wave occuring from June 18 2022 to June 22 2022 at -28.5°S 27.5°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: June 18 2022 to June 22 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 10.4 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 15.1 °C

Event center: -28.5°S 27.5°E

Area affected: 76104 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-Jun-18_to_2022-Jun-22_27.5_-28.5

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