Cold spell occuring from August 02 2025 to August 07 2025 at -25.0°S 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 6 days

Time span: August 02 2025 to August 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 17.0 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 9.2 °C

Event center: -25.0°S 46.5°E

Area affected: 772746 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_2025-Aug-02_to_2025-Aug-07_46.5_-25.0

Cold spell occuring from July 28 2025 to August 07 2025 at -22.5°S 51.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 11 days

Time span: July 28 2025 to August 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 8.8 °C

Event center: -22.5°S 51.0°E

Area affected: 317833 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_2025-Jul-28_to_2025-Aug-07_51.0_-22.5

Heat wave occuring from July 11 2025 to July 15 2025 at -27.5°S 48.0°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: July 11 2025 to July 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 21.8 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 23.4 °C

Event center: -27.5°S 48.0°E

Area affected: 167403 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_2025-Jul-11_to_2025-Jul-15_48.0_-27.5

Cold spell occuring from May 04 2025 to May 08 2025 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: May 04 2025 to May 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 17.6 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 13.9 °C

Event center: -24.0°S 46.5°E

Area affected: 85249 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_2025-May-04_to_2025-May-08_46.5_-24.0

Heat wave occuring from March 26 2025 to April 04 2025 at -13.5°S 47.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 10 days

Time span: March 26 2025 to April 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.7 °C

Event center: -13.5°S 47.5°E

Area affected: 137237 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_2025-Mar-26_to_2025-Apr-04_47.5_-13.5

Cold spell occuring from March 14 2025 to March 23 2025 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: 10 days

Time span: March 14 2025 to March 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 22.0 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 16.1 °C

Event center: -24.0°S 44.0°E

Area affected: 187174 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_2025-Mar-14_to_2025-Mar-23_44.0_-24.0

Cold spell occuring from February 23 2025 to March 03 2025 at -22.0°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 9 days

Time span: February 23 2025 to March 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 24.8 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 22.5 °C

Event center: -22.0°S 44.0°E

Area affected: 63215 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_2025-Feb-23_to_2025-Mar-03_44.0_-22.0

Heat wave occuring from October 09 2024 to October 14 2024 at -22.5°S 42.5°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: October 09 2024 to October 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 29.7 °C

Event center: -22.5°S 42.5°E

Area affected: 166384 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_2024-Oct-09_to_2024-Oct-14_42.5_-22.5

Cold spell occuring from October 02 2024 to October 06 2024 at -28.0°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: October 02 2024 to October 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 18.7 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 9.7 °C

Event center: -28.0°S 46.5°E

Area affected: 432487 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-Oct-02_to_2024-Oct-06_46.5_-28.0

Cold spell occuring from June 09 2024 to June 11 2024 at -25.5°S 47.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 3 days

Time span: June 09 2024 to June 11 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 18.2 °C

Event center: -25.5°S 47.0°E

Area affected: 56013 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-Jun-09_to_2024-Jun-11_47.0_-25.5