Category: Extremes affecting Madagascar

Cold spell occuring from October 05 2011 to October 11 2011 at -18.0°S 47.0°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: October 05 2011 to October 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 11.8 °C

Event center: -18.0°S 47.0°E

Area affected: 770234 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-Oct-05_to_2011-Oct-11_47.0_-18.0

Heat wave occuring from September 19 2011 to September 29 2011 at -15.5°S 44.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Malawi
  • Mozambique
  • Tanzania

Duration: 11 days

Time span: September 19 2011 to September 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 30.6 °C

Event center: -15.5°S 44.5°E

Area affected: 852578 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-Sep-19_to_2011-Sep-29_44.5_-15.5

Heat wave occuring from August 22 2011 to August 26 2011 at -21.5°S 43.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 5 days

Time span: August 22 2011 to August 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 24.9 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 26.0 °C

Event center: -21.5°S 43.5°E

Area affected: 95632 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-Aug-22_to_2011-Aug-26_43.5_-21.5

Cold spell occuring from August 16 2011 to August 21 2011 at -21.0°S 44.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 6 days

Time span: August 16 2011 to August 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.6 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 17.3 °C

Event center: -21.0°S 44.5°E

Area affected: 90619 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-21_44.5_-21.0

Heat wave occuring from August 08 2011 to August 25 2011 at -17.0°S 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Réunion

Duration: 18 days

Time span: August 08 2011 to August 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 26.5 °C

Event center: -17.0°S 48.5°E

Area affected: 942332 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-Aug-08_to_2011-Aug-25_48.5_-17.0

Heat wave occuring from July 15 2011 to July 23 2011 at -23.5°S 54.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mauritius

Duration: 9 days

Time span: July 15 2011 to July 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 22.1 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 26.3 °C

Event center: -23.5°S 54.5°E

Area affected: 1684185 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-15_to_2011-Jul-23_54.5_-23.5

Cold spell occuring from July 05 2011 to July 14 2011 at -25.0°S 44.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 10 days

Time span: July 05 2011 to July 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 17.7 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 8.5 °C

Event center: -25.0°S 44.5°E

Area affected: 578450 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-14_44.5_-25.0

Cold spell occuring from June 22 2011 to June 27 2011 at -24.0°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 6 days

Time span: June 22 2011 to June 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 15.3 °C

Event center: -24.0°S 44.0°E

Area affected: 167555 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-Jun-27_44.0_-24.0

Heat wave occuring from June 18 2011 to June 21 2011 at -14.0°S 45.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 4 days

Time span: June 18 2011 to June 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 26.9 °C

Event center: -14.0°S 45.5°E

Area affected: 104602 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-Jun-18_to_2011-Jun-21_45.5_-14.0

Heat wave occuring from June 15 2011 to June 22 2011 at -22.0°S 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 8 days

Time span: June 15 2011 to June 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 24.2 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 25.1 °C

Event center: -22.0°S 48.5°E

Area affected: 119328 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-Jun-15_to_2011-Jun-22_48.5_-22.0