Cold spell occuring from January 13 2012 to February 06 2012 at -24.5°S 63.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • Malawi
  • Mauritius
  • Mozambique
  • Réunion
  • Zambia

Duration: 25 days

Time span: January 13 2012 to February 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 21.8 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 6.4 °C

Event center: -24.5°S 63.0°E

Area affected: 7814961 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-Jan-13_to_2012-Feb-06_63.0_-24.5

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

Heat wave occuring from December 12 2011 to December 15 2011 at -25.0°S 34.5°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique

Duration: 4 days

Time span: December 12 2011 to December 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 27.5 °C

Event center: -25.0°S 34.5°E

Area affected: 146533 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-Dec-12_to_2011-Dec-15_34.5_-25.0

Heat wave occuring from December 11 2011 to December 16 2011 at -19.0°S 37.0°E

Download data: JSON

Event type: Heat wave

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

  • Malawi
  • Mozambique

Duration: 6 days

Time span: December 11 2011 to December 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 32.1 °C

Event center: -19.0°S 37.0°E

Area affected: 200060 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-Dec-11_to_2011-Dec-16_37.0_-19.0

Heat wave occuring from December 10 2011 to January 02 2012 at -14.0°S 40.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mozambique

Duration: 24 days

Time span: December 10 2011 to January 02 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 32.2 °C

Event center: -14.0°S 40.0°E

Area affected: 1516167 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-Dec-10_to_2012-Jan-02_40.0_-14.0

Heat wave occuring from November 29 2011 to December 04 2011 at -15.5°S 41.0°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique

Duration: 6 days

Time span: November 29 2011 to December 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 31.0 °C

Event center: -15.5°S 41.0°E

Area affected: 237010 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-Nov-29_to_2011-Dec-04_41.0_-15.5

Heat wave occuring from November 11 2011 to November 18 2011 at -24.5°S 37.5°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique

Duration: 8 days

Time span: November 11 2011 to November 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 27.9 °C

Event center: -24.5°S 37.5°E

Area affected: 522916 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-Nov-11_to_2011-Nov-18_37.5_-24.5

Heat wave occuring from November 08 2011 to November 22 2011 at -21.0°S 25.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Lesotho
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 15 days

Time span: November 08 2011 to November 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 34.8 °C

Event center: -21.0°S 25.5°E

Area affected: 1191487 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-Nov-08_to_2011-Nov-22_25.5_-21.0

Heat wave occuring from October 23 2011 to November 14 2011 at 11.5°N 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Djibouti
  • Ethiopia
  • Mozambique
  • Somalia
  • Tanzania
  • Yemen

Duration: 23 days

Time span: October 23 2011 to November 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 32.2 °C

Event center: 11.5°N 49.5°E

Area affected: 2247325 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-Oct-23_to_2011-Nov-14_49.5_11.5