Category: Extremes affecting Madagascar

Cold spell occuring from January 26 2010 to February 11 2010 at -29.5°S 45.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 17 days

Time span: January 26 2010 to February 11 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 4.1 °C

Event center: -29.5°S 45.5°E

Area affected: 2999991 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_2010-Jan-26_to_2010-Feb-11_45.5_-29.5

Heat wave occuring from January 10 2010 to January 18 2010 at -15.5°S 53.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 9 days

Time span: January 10 2010 to January 18 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 29.1 °C

Event center: -15.5°S 53.0°E

Area affected: 450627 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_2010-Jan-10_to_2010-Jan-18_53.0_-15.5

Cold spell occuring from June 18 2026 to June 24 2026 at -21.5°S 46.0°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: June 18 2026 to June 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 15.3 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 9.6 °C

Event center: -21.5°S 46.0°E

Area affected: 114902 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_2026-Jun-18_to_2026-Jun-24_46.0_-21.5

Heat wave occuring from June 06 2026 to June 19 2026 at -17.5°S 50.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mauritius
  • Réunion

Duration: 14 days

Time span: June 06 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 21.2 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 27.1 °C

Event center: -17.5°S 50.5°E

Area affected: 4329227 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-06_to_2026-Jun-19_50.5_-17.5

Heat wave occuring from June 08 2026 to July 11 2026 at -14.0°S 40.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 34 days

Time span: June 08 2026 to July 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 20.2 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 27.6 °C

Event center: -14.0°S 40.5°E

Area affected: 4854838 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_2026-Jun-08_to_2026-Jul-11_40.5_-14.0