Cold spell occuring from July 25 2011 to August 04 2011 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):

  • Botswana
  • Congo DRC
  • Lesotho
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 11 days

Time span: July 25 2011 to August 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 12.6 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -10.0 °C

Event center: -30.0°S 28.5°E

Area affected: 1087788 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_2011-Jul-25_to_2011-Aug-04_28.5_-30.0

Cold spell occuring from June 23 2011 to July 16 2011 at -18.0°S 357.5°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: 24 days

Time span: June 23 2011 to July 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 15.3 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: -1.3 °C

Event center: -18.0°S 2.5°W

Area affected: 5343571 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_2011-Jun-23_to_2011-Jul-16_357.5_-18.0

Cold spell occuring from June 22 2011 to July 03 2011 at -16.5°S 16.0°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: 12 days

Time span: June 22 2011 to July 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 10.3 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: -3.2 °C

Event center: -16.5°S 16.0°E

Area affected: 2631914 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_2011-Jun-22_to_2011-Jul-03_16.0_-16.5

Cold spell occuring from May 25 2011 to May 29 2011 at -31.0°S 30.5°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: May 25 2011 to May 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 10.4 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: -1.8 °C

Event center: -31.0°S 30.5°E

Area affected: 283939 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_2011-May-25_to_2011-May-29_30.5_-31.0

Cold spell occuring from May 24 2011 to June 04 2011 at -21.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 12 days

Time span: May 24 2011 to June 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 11.2 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: -0.8 °C

Event center: -21.5°S 17.0°E

Area affected: 1714567 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_2011-May-24_to_2011-Jun-04_17.0_-21.5

Cold spell occuring from April 22 2011 to May 19 2011 at -27.5°S 13.5°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: 28 days

Time span: April 22 2011 to May 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 14.2 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: 0.0 °C

Event center: -27.5°S 13.5°E

Area affected: 7116561 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_2011-Apr-22_to_2011-May-19_13.5_-27.5

Cold spell occuring from June 12 2010 to June 25 2010 at -25.0°S 29.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo DRC
  • Eswatini
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 14 days

Time span: June 12 2010 to June 25 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -10.5 °C
  • Minimum temperature: -5.4 °C

Event center: -25.0°S 29.0°E

Area affected: 6462875 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-12_to_2010-Jun-25_29.0_-25.0

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

Cold spell occuring from April 15 2026 to May 28 2026 at -17.0°S 11.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Lesotho
  • Namibia
  • South Africa
  • Zambia

Duration: 44 days

Time span: April 15 2026 to May 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 15.7 °C
  • Minimum temperature anomaly: -10.8 °C
  • Minimum temperature: 0.2 °C

Event center: -17.0°S 11.5°E

Area affected: 2931247 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-Apr-15_to_2026-May-28_11.5_-17.0