Category: Extremes affecting Madagascar

Heat wave occuring from August 13 2021 to September 17 2021 at -18.5°S 45.0°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo, The Democratic Republic of the
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Iraq
  • Israel
  • Jordan
  • Kenya
  • Lebanon
  • Madagascar
  • Malawi
  • Mozambique
  • Niger
  • Nigeria
  • Rwanda
  • Saudi Arabia
  • Somalia
  • South Sudan
  • Sudan
  • Syrian Arab Republic
  • Tanzania, United Republic of
  • Uganda
  • Yemen
  • Zambia

Duration: 36 days

Time span: August 13 2021 to September 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 40.4 °C

Event center: -18.5°S 45.0°E

Area affected: 10685537 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_2021-Aug-13_to_2021-Sep-17_45.0_-18.5

Heat wave occuring from August 11 2021 to August 15 2021 at -13.5°S 45.0°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: August 11 2021 to August 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 25.0 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 26.8 °C

Event center: -13.5°S 45.0°E

Area affected: 107039 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_2021-Aug-11_to_2021-Aug-15_45.0_-13.5

Cold spell occuring from July 20 2021 to August 14 2021 at -11.5°S 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Burundi
  • Congo, The Democratic Republic of the
  • Eswatini
  • Lesotho
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 26 days

Time span: July 20 2021 to August 14 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 14.7 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -4.1 °C

Event center: -11.5°S 22.5°E

Area affected: 8651959 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_2021-Jul-20_to_2021-Aug-14_22.5_-11.5

Heat wave occuring from July 07 2021 to July 25 2021 at -22.0°S 44.0°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: July 07 2021 to July 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 23.0 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 26.8 °C

Event center: -22.0°S 44.0°E

Area affected: 1271409 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_2021-Jul-07_to_2021-Jul-25_44.0_-22.0

Cold spell occuring from June 20 2021 to June 28 2021 at -16.0°S 47.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 9 days

Time span: June 20 2021 to June 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 11.7 °C

Event center: -16.0°S 47.5°E

Area affected: 338909 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_2021-Jun-20_to_2021-Jun-28_47.5_-16.0

Cold spell occuring from May 19 2021 to May 24 2021 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: 6 days

Time span: May 19 2021 to May 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 16.7 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 11.2 °C

Event center: -18.0°S 47.0°E

Area affected: 67211 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_2021-May-19_to_2021-May-24_47.0_-18.0

Cold spell occuring from May 19 2021 to June 13 2021 at -10.0°S 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Eswatini
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 26 days

Time span: May 19 2021 to June 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 18.8 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: 9.7 °C

Event center: -10.0°S 22.5°E

Area affected: 4856889 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_2021-May-19_to_2021-Jun-13_22.5_-10.0

Cold spell occuring from May 18 2021 to May 27 2021 at -12.5°S 49.0°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: May 18 2021 to May 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 14.2 °C

Event center: -12.5°S 49.0°E

Area affected: 75011 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_2021-May-18_to_2021-May-27_49.0_-12.5

Heat wave occuring from May 13 2021 to May 17 2021 at -27.5°S 48.5°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 13 2021 to May 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 24.2 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 25.8 °C

Event center: -27.5°S 48.5°E

Area affected: 276329 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_2021-May-13_to_2021-May-17_48.5_-27.5

Heat wave occuring from April 30 2021 to May 07 2021 at -14.5°S 49.5°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: April 30 2021 to May 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 23.4 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 27.0 °C

Event center: -14.5°S 49.5°E

Area affected: 109807 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_2021-Apr-30_to_2021-May-07_49.5_-14.5