Cold spell occuring from June 01 2010 to June 06 2010 at -18.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia
  • Zimbabwe

Duration: 6 days

Time span: June 01 2010 to June 06 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 16.4 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 13.1 °C

Event center: -18.5°S 27.0°E

Area affected: 355979 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_2010-Jun-01_to_2010-Jun-06_27.0_-18.5

Cold spell occuring from May 30 2010 to June 06 2010 at -17.5°S 28.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: May 30 2010 to June 06 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 14.2 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 10.0 °C

Event center: -17.5°S 28.5°E

Area affected: 218354 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_2010-May-30_to_2010-Jun-06_28.5_-17.5

Cold spell occuring from April 23 2010 to April 27 2010 at -24.0°S 27.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Eswatini
  • South Africa
  • Zimbabwe

Duration: 5 days

Time span: April 23 2010 to April 27 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 15.2 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 8.3 °C

Event center: -24.0°S 27.5°E

Area affected: 409727 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_2010-Apr-23_to_2010-Apr-27_27.5_-24.0

Heat wave occuring from March 10 2010 to March 14 2010 at -24.5°S 29.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 5 days

Time span: March 10 2010 to March 14 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 31.3 °C

Event center: -24.5°S 29.0°E

Area affected: 229062 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_2010-Mar-10_to_2010-Mar-14_29.0_-24.5

Cold spell occuring from March 03 2010 to March 08 2010 at -18.5°S 28.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Mozambique
  • Namibia
  • Zambia
  • Zimbabwe

Duration: 6 days

Time span: March 03 2010 to March 08 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.6 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 16.6 °C

Event center: -18.5°S 28.0°E

Area affected: 363906 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_2010-Mar-03_to_2010-Mar-08_28.0_-18.5

Heat wave occuring from February 04 2010 to March 02 2010 at -23.0°S 45.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Congo DRC
  • Madagascar
  • Malawi
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 27 days

Time span: February 04 2010 to March 02 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 35.3 °C

Event center: -23.0°S 45.5°E

Area affected: 2302832 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_2010-Feb-04_to_2010-Mar-02_45.5_-23.0

Heat wave occuring from January 08 2010 to January 16 2010 at -17.5°S 32.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo DRC
  • Malawi
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 9 days

Time span: January 08 2010 to January 16 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 26.0 °C
  • Maximum temperature anomaly: 5.0 °C
  • Maximum temperature: 32.2 °C

Event center: -17.5°S 32.5°E

Area affected: 471312 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_2010-Jan-08_to_2010-Jan-16_32.5_-17.5

Cold spell occuring from August 13 2026 to August 22 2026 at -10.5°S 28.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo DRC
  • Malawi
  • Mozambique
  • Namibia
  • Zambia
  • Zimbabwe

Duration: 10 days

Time span: August 13 2026 to August 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 12.8 °C

Event center: -10.5°S 28.5°E

Area affected: 1426835 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_2026-Aug-13_to_2026-Aug-22_28.5_-10.5

Cold spell occuring from August 07 2026 to August 17 2026 at -30.0°S 28.5°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: August 07 2026 to August 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 12.7 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -3.5 °C

Event center: -30.0°S 28.5°E

Area affected: 1044184 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_2026-Aug-07_to_2026-Aug-17_28.5_-30.0

Heat wave occuring from July 18 2026 to July 25 2026 at -18.5°S 27.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: July 18 2026 to July 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 19.3 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 23.8 °C

Event center: -18.5°S 27.0°E

Area affected: 307463 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jul-18_to_2026-Jul-25_27.0_-18.5