Heat wave occuring from March 26 2011 to May 02 2011 at -27.0°S 65.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 38 days

Time span: March 26 2011 to May 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 28.2 °C

Event center: -27.0°S 65.0°E

Area affected: 4268386 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-Mar-26_to_2011-May-02_65.0_-27.0

Cold spell occuring from February 27 2011 to March 10 2011 at -16.0°S 45.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • Mozambique

Duration: 12 days

Time span: February 27 2011 to March 10 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 26.0 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 20.3 °C

Event center: -16.0°S 45.5°E

Area affected: 651008 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-Feb-27_to_2011-Mar-10_45.5_-16.0

Heat wave occuring from February 17 2011 to February 22 2011 at -18.5°S 49.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mauritius

Duration: 6 days

Time span: February 17 2011 to February 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 30.6 °C

Event center: -18.5°S 49.0°E

Area affected: 598757 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-Feb-17_to_2011-Feb-22_49.0_-18.5

Cold spell occuring from February 15 2011 to March 02 2011 at -24.0°S 43.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • Mozambique

Duration: 16 days

Time span: February 15 2011 to March 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 7.9 °C

Event center: -24.0°S 43.5°E

Area affected: 2923816 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-Feb-15_to_2011-Mar-02_43.5_-24.0

Cold spell occuring from February 14 2011 to February 17 2011 at -16.5°S 47.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 4 days

Time span: February 14 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 23.0 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 20.0 °C

Event center: -16.5°S 47.5°E

Area affected: 56205 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-Feb-14_to_2011-Feb-17_47.5_-16.5

Heat wave occuring from February 11 2011 to February 16 2011 at -19.5°S 43.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 6 days

Time span: February 11 2011 to February 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 30.3 °C

Event center: -19.5°S 43.5°E

Area affected: 101392 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-Feb-11_to_2011-Feb-16_43.5_-19.5

Heat wave occuring from January 27 2011 to February 01 2011 at -18.0°S 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 6 days

Time span: January 27 2011 to February 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 29.2 °C

Event center: -18.0°S 49.5°E

Area affected: 191132 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-Jan-27_to_2011-Feb-01_49.5_-18.0

Cold spell occuring from January 26 2011 to February 01 2011 at -18.5°S 44.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 7 days

Time span: January 26 2011 to February 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 16.7 °C

Event center: -18.5°S 44.5°E

Area affected: 277991 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-Jan-26_to_2011-Feb-01_44.5_-18.5

Cold spell occuring from January 14 2011 to January 26 2011 at -13.5°S 69.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 13 days

Time span: January 14 2011 to January 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 21.1 °C

Event center: -13.5°S 69.0°E

Area affected: 1929597 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-Jan-14_to_2011-Jan-26_69.0_-13.5

Heat wave occuring from January 08 2011 to February 05 2011 at -33.0°S 51.0°E

Download data: JSON

Event type: Heat wave

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

  • French Southern Territories
  • Madagascar

Duration: 29 days

Time span: January 08 2011 to February 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 20.3 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 31.5 °C

Event center: -33.0°S 51.0°E

Area affected: 5475474 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-Jan-08_to_2011-Feb-05_51.0_-33.0