Cold spell occuring from December 10 2012 to December 15 2012 at -26.5°S 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 6 days

Time span: December 10 2012 to December 15 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 15.9 °C

Event center: -26.5°S 24.0°E

Area affected: 619369 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_2012-Dec-10_to_2012-Dec-15_24.0_-26.5

Cold spell occuring from November 26 2012 to December 02 2012 at -17.0°S 13.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 7 days

Time span: November 26 2012 to December 02 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 18.0 °C

Event center: -17.0°S 13.5°E

Area affected: 337003 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_2012-Nov-26_to_2012-Dec-02_13.5_-17.0

Heat wave occuring from November 10 2012 to November 25 2012 at -9.0°S 10.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 16 days

Time span: November 10 2012 to November 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 7.7 °C
  • Maximum temperature: 33.2 °C

Event center: -9.0°S 10.5°E

Area affected: 1836608 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_2012-Nov-10_to_2012-Nov-25_10.5_-9.0

Heat wave occuring from November 06 2012 to November 11 2012 at -22.5°S 19.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia

Duration: 6 days

Time span: November 06 2012 to November 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 29.6 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 31.7 °C

Event center: -22.5°S 19.5°E

Area affected: 207066 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_2012-Nov-06_to_2012-Nov-11_19.5_-22.5

Cold spell occuring from October 23 2012 to October 25 2012 at -19.0°S 28.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 3 days

Time span: October 23 2012 to October 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 18.8 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 10.3 °C

Event center: -19.0°S 28.5°E

Area affected: 366055 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_2012-Oct-23_to_2012-Oct-25_28.5_-19.0

Cold spell occuring from October 19 2012 to October 23 2012 at -31.5°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa

Duration: 5 days

Time span: October 19 2012 to October 23 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: 12.6 °C
  • Minimum temperature anomaly: -11.9 °C
  • Minimum temperature: 5.6 °C

Event center: -31.5°S 23.0°E

Area affected: 345759 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_2012-Oct-19_to_2012-Oct-23_23.0_-31.5

Heat wave occuring from October 02 2012 to October 12 2012 at -21.5°S 19.0°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: 11 days

Time span: October 02 2012 to October 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 31.0 °C

Event center: -21.5°S 19.0°E

Area affected: 409837 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_2012-Oct-02_to_2012-Oct-12_19.0_-21.5

Cold spell occuring from September 28 2012 to September 30 2012 at -24.0°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia

Duration: 3 days

Time span: September 28 2012 to September 30 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 16.9 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 13.1 °C

Event center: -24.0°S 23.0°E

Area affected: 99642 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_2012-Sep-28_to_2012-Sep-30_23.0_-24.0

Cold spell occuring from September 06 2012 to September 10 2012 at -17.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 5 days

Time span: September 06 2012 to September 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 18.6 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: 12.9 °C

Event center: -17.5°S 17.0°E

Area affected: 364433 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_2012-Sep-06_to_2012-Sep-10_17.0_-17.5

Heat wave occuring from August 28 2012 to August 31 2012 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
  • Namibia
  • South Africa

Duration: 4 days

Time span: August 28 2012 to August 31 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 20.9 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 24.6 °C

Event center: -28.5°S 24.0°E

Area affected: 237628 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_2012-Aug-28_to_2012-Aug-31_24.0_-28.5