Heat wave occuring from September 03 2011 to September 15 2011 at -6.5°S 19.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo DRC

Duration: 13 days

Time span: September 03 2011 to September 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 29.6 °C

Event center: -6.5°S 19.0°E

Area affected: 438679 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_2011-Sep-03_to_2011-Sep-15_19.0_-6.5

Heat wave occuring from September 03 2011 to September 12 2011 at -14.5°S 7.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola

Duration: 10 days

Time span: September 03 2011 to September 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 19.8 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 22.4 °C

Event center: -14.5°S 7.5°E

Area affected: 837896 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_2011-Sep-03_to_2011-Sep-12_7.5_-14.5

Heat wave occuring from August 20 2011 to August 24 2011 at -3.5°S 23.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo DRC

Duration: 5 days

Time span: August 20 2011 to August 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 27.2 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 28.5 °C

Event center: -3.5°S 23.0°E

Area affected: 166192 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_2011-Aug-20_to_2011-Aug-24_23.0_-3.5

Cold spell occuring from August 20 2011 to September 01 2011 at -5.0°S 11.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo DRC

Duration: 13 days

Time span: August 20 2011 to September 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 19.0 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 15.0 °C

Event center: -5.0°S 11.0°E

Area affected: 2569915 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-Aug-20_to_2011-Sep-01_11.0_-5.0

Cold spell occuring from August 13 2011 to August 26 2011 at -16.0°S 15.5°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
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 14 days

Time span: August 13 2011 to August 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 16.8 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -6.1 °C

Event center: -16.0°S 15.5°E

Area affected: 4282905 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-Aug-13_to_2011-Aug-26_15.5_-16.0

Cold spell occuring from July 25 2011 to August 05 2011 at -17.0°S 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 12 days

Time span: July 25 2011 to August 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 14.6 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 6.7 °C

Event center: -17.0°S 17.5°E

Area affected: 880144 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-05_17.5_-17.0

Cold spell occuring from July 21 2011 to August 02 2011 at -9.5°S 13.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola

Duration: 13 days

Time span: July 21 2011 to August 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 17.0 °C

Event center: -9.5°S 13.5°E

Area affected: 255874 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-21_to_2011-Aug-02_13.5_-9.5

Cold spell occuring from July 06 2011 to July 20 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
  • Namibia

Duration: 15 days

Time span: July 06 2011 to July 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 15.9 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 12.9 °C

Event center: -16.5°S 16.0°E

Area affected: 293992 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-06_to_2011-Jul-20_16.0_-16.5

Cold spell occuring from July 05 2011 to July 22 2011 at -25.0°S 34.5°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
  • South Africa
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 18 days

Time span: July 05 2011 to July 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 8.0 °C

Event center: -25.0°S 34.5°E

Area affected: 2240506 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-05_to_2011-Jul-22_34.5_-25.0

Heat wave occuring from June 29 2011 to July 08 2011 at -6.5°S 17.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo DRC

Duration: 10 days

Time span: June 29 2011 to July 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 28.9 °C

Event center: -6.5°S 17.0°E

Area affected: 110808 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_2011-Jun-29_to_2011-Jul-08_17.0_-6.5