Heat wave occuring from July 26 2011 to July 30 2011 at -12.5°S 36.0°E

Download data: JSON

Event type: Heat wave

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

  • Malawi
  • Mozambique

Duration: 5 days

Time span: July 26 2011 to July 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 21.1 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 22.9 °C

Event center: -12.5°S 36.0°E

Area affected: 50994 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-Jul-26_to_2011-Jul-30_36.0_-12.5

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 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

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

Heat wave occuring from May 24 2011 to July 14 2011 at -17.0°S 49.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo DRC
  • Madagascar
  • Malawi
  • Mauritius
  • Mozambique
  • Réunion
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 52 days

Time span: May 24 2011 to July 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 29.7 °C

Event center: -17.0°S 49.0°E

Area affected: 13649734 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-May-24_to_2011-Jul-14_49.0_-17.0

Heat wave occuring from May 23 2011 to May 25 2011 at -25.5°S 33.0°E

Download data: JSON

Event type: Heat wave

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

  • Eswatini
  • Mozambique
  • South Africa

Duration: 3 days

Time span: May 23 2011 to May 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 27.7 °C

Event center: -25.5°S 33.0°E

Area affected: 81016 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-May-23_to_2011-May-25_33.0_-25.5

Heat wave occuring from May 16 2011 to May 19 2011 at -15.5°S 29.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo DRC
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 4 days

Time span: May 16 2011 to May 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 27.2 °C

Event center: -15.5°S 29.5°E

Area affected: 122918 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-May-16_to_2011-May-19_29.5_-15.5

Heat wave occuring from May 12 2011 to May 23 2011 at -26.0°S 32.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Malawi
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 12 days

Time span: May 12 2011 to May 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 27.7 °C

Event center: -26.0°S 32.0°E

Area affected: 1300601 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-May-12_to_2011-May-23_32.0_-26.0

Cold spell occuring from May 03 2011 to May 07 2011 at -16.5°S 26.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 5 days

Time span: May 03 2011 to May 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 18.3 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 15.0 °C

Event center: -16.5°S 26.0°E

Area affected: 242915 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-03_to_2011-May-07_26.0_-16.5

Heat wave occuring from April 24 2011 to April 30 2011 at -19.0°S 30.0°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 7 days

Time span: April 24 2011 to April 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 30.9 °C

Event center: -19.0°S 30.0°E

Area affected: 304412 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-Apr-24_to_2011-Apr-30_30.0_-19.0