Category: Extremes affecting Madagascar

Heat wave occuring from September 24 2020 to November 19 2020 at -12.0°S 287.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Argentina
  • Bolivia, Plurinational State of
  • Botswana
  • Brazil
  • Burundi
  • Colombia
  • Congo, The Democratic Republic of the
  • Costa Rica
  • Ecuador
  • Eswatini
  • Honduras
  • Lesotho
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • Nicaragua
  • Panama
  • Paraguay
  • Peru
  • Rwanda
  • South Africa
  • Tanzania, United Republic of
  • Uganda
  • Uruguay
  • Zambia
  • Zimbabwe

Duration: 57 days

Time span: September 24 2020 to November 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 14.9 °C
  • Maximum temperature: 36.5 °C

Event center: -12.0°S 287.5°E

Area affected: 22419625 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_2020-Sep-24_to_2020-Nov-19_287.5_-12.0

Heat wave occuring from September 08 2020 to September 18 2020 at -22.0°S 43.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 11 days

Time span: September 08 2020 to September 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 28.7 °C

Event center: -22.0°S 43.5°E

Area affected: 299170 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_2020-Sep-08_to_2020-Sep-18_43.5_-22.0

Cold spell occuring from September 01 2020 to September 07 2020 at -25.0°S 47.5°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: September 01 2020 to September 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 18.6 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 12.0 °C

Event center: -25.0°S 47.5°E

Area affected: 1068900 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_2020-Sep-01_to_2020-Sep-07_47.5_-25.0

Heat wave occuring from August 16 2020 to September 03 2020 at -22.0°S 45.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 19 days

Time span: August 16 2020 to September 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 23.3 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 27.8 °C

Event center: -22.0°S 45.0°E

Area affected: 431667 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_2020-Aug-16_to_2020-Sep-03_45.0_-22.0

Heat wave occuring from July 28 2020 to August 02 2020 at -18.0°S 46.0°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: July 28 2020 to August 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 27.4 °C

Event center: -18.0°S 46.0°E

Area affected: 106104 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_2020-Jul-28_to_2020-Aug-02_46.0_-18.0

Cold spell occuring from July 18 2020 to July 29 2020 at -24.5°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: 12 days

Time span: July 18 2020 to July 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 14.3 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: -0.1 °C

Event center: -24.5°S 57.5°E

Area affected: 4909589 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_2020-Jul-18_to_2020-Jul-29_57.5_-24.5

Heat wave occuring from June 26 2020 to June 30 2020 at -22.0°S 45.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 5 days

Time span: June 26 2020 to June 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 19.1 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 23.2 °C

Event center: -22.0°S 45.5°E

Area affected: 51263 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_2020-Jun-26_to_2020-Jun-30_45.5_-22.0

Heat wave occuring from June 21 2020 to June 26 2020 at -17.5°S 46.0°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: June 21 2020 to June 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 21.5 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 26.6 °C

Event center: -17.5°S 46.0°E

Area affected: 146510 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_2020-Jun-21_to_2020-Jun-26_46.0_-17.5

Cold spell occuring from June 14 2020 to June 18 2020 at -25.5°S 48.5°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: June 14 2020 to June 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 18.8 °C

Event center: -25.5°S 48.5°E

Area affected: 111372 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_2020-Jun-14_to_2020-Jun-18_48.5_-25.5

Heat wave occuring from May 28 2020 to June 06 2020 at -13.5°S 48.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 10 days

Time span: May 28 2020 to June 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 28.2 °C

Event center: -13.5°S 48.0°E

Area affected: 221612 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_2020-May-28_to_2020-Jun-06_48.0_-13.5