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 12 2021 to August 16 2021 at -6.5°S 37.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 5 days

Time span: August 12 2021 to August 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 25.9 °C

Event center: -6.5°S 37.5°E

Area affected: 73843 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-12_to_2021-Aug-16_37.5_-6.5

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 12 2021 to July 26 2021 at -6.5°S 38.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 15 days

Time span: July 12 2021 to July 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 21.8 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 27.3 °C

Event center: -6.5°S 38.5°E

Area affected: 331799 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-12_to_2021-Jul-26_38.5_-6.5

Cold spell occuring from July 03 2021 to July 12 2021 at -5.5°S 32.5°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 10 days

Time span: July 03 2021 to July 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 18.4 °C

Event center: -5.5°S 32.5°E

Area affected: 83086 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-03_to_2021-Jul-12_32.5_-5.5

Cold spell occuring from June 17 2021 to June 26 2021 at -2.5°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 10 days

Time span: June 17 2021 to June 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 14.7 °C

Event center: -2.5°S 34.0°E

Area affected: 126350 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-17_to_2021-Jun-26_34.0_-2.5

Cold spell occuring from June 06 2021 to June 18 2021 at -4.0°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania, United Republic of

Duration: 13 days

Time span: June 06 2021 to June 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 14.6 °C

Event center: -4.0°S 34.0°E

Area affected: 275613 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-06_to_2021-Jun-18_34.0_-4.0

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 April 30 2021 to May 16 2021 at -11.5°S 39.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 17 days

Time span: April 30 2021 to May 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 20.6 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 8.6 °C

Event center: -11.5°S 39.0°E

Area affected: 3557660 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-Apr-30_to_2021-May-16_39.0_-11.5

Heat wave occuring from April 26 2021 to May 02 2021 at -9.0°S 34.0°E

Download data: JSON

Event type: Heat wave

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

  • Congo, The Democratic Republic of the
  • Malawi
  • Tanzania, United Republic of
  • Zambia

Duration: 7 days

Time span: April 26 2021 to May 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 26.5 °C

Event center: -9.0°S 34.0°E

Area affected: 386254 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-26_to_2021-May-02_34.0_-9.0