Category: Extremes affecting Madagascar

Heat wave occuring from May 18 2011 to June 15 2011 at -21.0°S 53.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mauritius

Duration: 29 days

Time span: May 18 2011 to June 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 17.7 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 27.5 °C

Event center: -21.0°S 53.5°E

Area affected: 11168182 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-18_to_2011-Jun-15_53.5_-21.0

Heat wave occuring from May 16 2011 to May 20 2011 at -24.0°S 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 5 days

Time span: May 16 2011 to May 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 25.8 °C

Event center: -24.0°S 48.5°E

Area affected: 201624 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-20_48.5_-24.0

Heat wave occuring from April 19 2011 to May 02 2011 at -17.5°S 47.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 14 days

Time span: April 19 2011 to May 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 29.3 °C

Event center: -17.5°S 47.5°E

Area affected: 148527 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-19_to_2011-May-02_47.5_-17.5

Cold spell occuring from April 09 2011 to April 15 2011 at -21.0°S 45.0°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: April 09 2011 to April 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 19.0 °C

Event center: -21.0°S 45.0°E

Area affected: 326368 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-Apr-09_to_2011-Apr-15_45.0_-21.0

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