Category: Extremes affecting Madagascar

Cold spell occuring from March 23 2024 to March 29 2024 at -13.0°S 49.5°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: March 23 2024 to March 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 14.4 °C

Event center: -13.0°S 49.5°E

Area affected: 237784 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_2024-Mar-23_to_2024-Mar-29_49.5_-13.0

Cold spell occuring from January 24 2024 to February 10 2024 at -29.5°S 57.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • Réunion

Duration: 18 days

Time span: January 24 2024 to February 10 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 18.9 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 3.1 °C

Event center: -29.5°S 57.5°E

Area affected: 5692185 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_2024-Jan-24_to_2024-Feb-10_57.5_-29.5

Cold spell occuring from November 14 2023 to November 18 2023 at -24.0°S 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 5 days

Time span: November 14 2023 to November 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 20.0 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 15.7 °C

Event center: -24.0°S 46.5°E

Area affected: 401968 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_2023-Nov-14_to_2023-Nov-18_46.5_-24.0

Cold spell occuring from June 17 2023 to June 29 2023 at -33.5°S 50.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • South Africa

Duration: 13 days

Time span: June 17 2023 to June 29 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 11.1 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: -0.5 °C

Event center: -33.5°S 50.5°E

Area affected: 6589115 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_2023-Jun-17_to_2023-Jun-29_50.5_-33.5

Heat wave occuring from May 28 2023 to June 01 2023 at -14.0°S 46.5°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 28 2023 to June 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 27.9 °C

Event center: -14.0°S 46.5°E

Area affected: 78119 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_2023-May-28_to_2023-Jun-01_46.5_-14.0

Cold spell occuring from May 22 2023 to May 25 2023 at -23.5°S 45.5°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: May 22 2023 to May 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 13.2 °C

Event center: -23.5°S 45.5°E

Area affected: 125892 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_2023-May-22_to_2023-May-25_45.5_-23.5

Heat wave occuring from April 11 2023 to April 16 2023 at -16.0°S 49.0°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: April 11 2023 to April 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 27.7 °C

Event center: -16.0°S 49.0°E

Area affected: 124000 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_2023-Apr-11_to_2023-Apr-16_49.0_-16.0

Heat wave occuring from April 10 2023 to June 03 2023 at -25.5°S 65.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • French Southern Territories
  • Madagascar
  • Mauritius
  • Réunion

Duration: 55 days

Time span: April 10 2023 to June 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 29.5 °C

Event center: -25.5°S 65.0°E

Area affected: 16755112 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_2023-Apr-10_to_2023-Jun-03_65.0_-25.5

Cold spell occuring from March 26 2023 to March 30 2023 at -23.5°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • Mozambique
  • Zimbabwe

Duration: 5 days

Time span: March 26 2023 to March 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 24.8 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 20.7 °C

Event center: -23.5°S 44.0°E

Area affected: 669301 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_2023-Mar-26_to_2023-Mar-30_44.0_-23.5

Cold spell occuring from March 15 2023 to March 18 2023 at -20.5°S 42.0°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: March 15 2023 to March 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 20.7 °C

Event center: -20.5°S 42.0°E

Area affected: 113970 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_2023-Mar-15_to_2023-Mar-18_42.0_-20.5