Cold spell occuring from December 19 2011 to December 23 2011 at -10.5°S 38.5°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 5 days

Time span: December 19 2011 to December 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 24.7 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 21.7 °C

Event center: -10.5°S 38.5°E

Area affected: 115566 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-Dec-19_to_2011-Dec-23_38.5_-10.5

Cold spell occuring from December 16 2011 to December 21 2011 at -23.5°S 33.5°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 6 days

Time span: December 16 2011 to December 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 23.6 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 22.0 °C

Event center: -23.5°S 33.5°E

Area affected: 71529 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-Dec-16_to_2011-Dec-21_33.5_-23.5

Cold spell occuring from September 28 2011 to October 15 2011 at -12.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Burundi
  • Congo DRC
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • Rwanda
  • South Africa
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 18 days

Time span: September 28 2011 to October 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 20.1 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 4.0 °C

Event center: -12.0°S 32.0°E

Area affected: 3747016 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-Sep-28_to_2011-Oct-15_32.0_-12.0

Cold spell occuring from September 24 2011 to September 27 2011 at -14.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 4 days

Time span: September 24 2011 to September 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 21.9 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 13.9 °C

Event center: -14.5°S 27.0°E

Area affected: 281602 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-Sep-24_to_2011-Sep-27_27.0_-14.5

Cold spell occuring from August 16 2011 to August 22 2011 at -11.0°S 38.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 7 days

Time span: August 16 2011 to August 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.3 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 18.0 °C

Event center: -11.0°S 38.0°E

Area affected: 106260 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-16_to_2011-Aug-22_38.0_-11.0

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 August 06 2011 to August 11 2011 at -25.0°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • South Africa

Duration: 6 days

Time span: August 06 2011 to August 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 17.5 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 13.5 °C

Event center: -25.0°S 34.0°E

Area affected: 224711 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-06_to_2011-Aug-11_34.0_-25.0

Cold spell occuring from July 31 2011 to August 04 2011 at -19.5°S 38.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique

Duration: 5 days

Time span: July 31 2011 to August 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 18.4 °C

Event center: -19.5°S 38.0°E

Area affected: 89992 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-31_to_2011-Aug-04_38.0_-19.5

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