Heat wave occuring from June 23 2021 to July 05 2021 at -24.0°S 31.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Lesotho
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 13 days

Time span: June 23 2021 to July 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 18.6 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 24.6 °C

Event center: -24.0°S 31.0°E

Area affected: 1591592 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-Jun-23_to_2021-Jul-05_31.0_-24.0

Heat wave occuring from June 10 2021 to June 18 2021 at -30.0°S 23.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 9 days

Time span: June 10 2021 to June 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 14.6 °C
  • Maximum temperature anomaly: 7.7 °C
  • Maximum temperature: 20.3 °C

Event center: -30.0°S 23.0°E

Area affected: 808613 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-Jun-10_to_2021-Jun-18_23.0_-30.0

Heat wave occuring from March 28 2021 to November 10 2022 at 1.0°N 350.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Argentina
  • Armenia
  • Australia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Benin
  • Bhutan
  • Bolivia, Plurinational State of
  • Bonaire, Sint Eustatius and Saba
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Central African Republic
  • Chad
  • Chile
  • China
  • Christmas Island
  • Colombia
  • Congo
  • Congo, The Democratic Republic of the
  • Cook Islands
  • Croatia
  • Cyprus
  • Czechia
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Polynesia
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Hong Kong
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran, Islamic Republic of
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kuwait
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Malawi
  • Malaysia
  • Maldives
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova, Republic of
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Niger
  • Nigeria
  • Norfolk Island
  • North Macedonia
  • Northern Mariana Islands
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Seychelles
  • Sierra Leone
  • Sint Maarten (Dutch part)
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Svalbard and Jan Mayen
  • Sweden
  • Switzerland
  • Syrian Arab Republic
  • Taiwan, Province of China
  • Tajikistan
  • Tanzania, United Republic of
  • Thailand
  • Timor-Leste
  • Togo
  • Tonga
  • Tunisia
  • Turkmenistan
  • Türkiye
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uzbekistan
  • Vanuatu
  • Venezuela, Bolivarian Republic of
  • Viet Nam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 593 days

Time span: March 28 2021 to November 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 35.1 °C
  • Maximum temperature: 44.7 °C

Event center: 1.0°N 350.0°E

Area affected: 335408961 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-Mar-28_to_2022-Nov-10_350.0_1.0

Heat wave occuring from November 30 2020 to December 25 2020 at -14.0°S 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 26 days

Time span: November 30 2020 to December 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 32.0 °C

Event center: -14.0°S 16.5°E

Area affected: 647813 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-Nov-30_to_2020-Dec-25_16.5_-14.0

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 04 2020 to September 12 2020 at -27.5°S 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 9 days

Time span: September 04 2020 to September 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 13.1 °C
  • Maximum temperature: 31.0 °C

Event center: -27.5°S 17.5°E

Area affected: 474035 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-04_to_2020-Sep-12_17.5_-27.5

Heat wave occuring from August 25 2020 to August 29 2020 at -19.0°S 19.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia

Duration: 5 days

Time span: August 25 2020 to August 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 26.9 °C

Event center: -19.0°S 19.0°E

Area affected: 195127 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-25_to_2020-Aug-29_19.0_-19.0

Heat wave occuring from July 07 2020 to July 10 2020 at -27.0°S 23.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa

Duration: 4 days

Time span: July 07 2020 to July 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 15.3 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 18.9 °C

Event center: -27.0°S 23.5°E

Area affected: 120960 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-07_to_2020-Jul-10_23.5_-27.0

Heat wave occuring from June 13 2020 to September 15 2020 at -10.5°S 13.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Benin
  • Botswana
  • Burundi
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo, The Democratic Republic of the
  • Côte d’Ivoire
  • Equatorial Guinea
  • Gabon
  • Ghana
  • Kenya
  • Liberia
  • Malawi
  • Mali
  • Mozambique
  • Namibia
  • Nigeria
  • Rwanda
  • South Africa
  • South Sudan
  • Tanzania, United Republic of
  • Togo
  • Uganda
  • Zambia
  • Zimbabwe

Duration: 95 days

Time span: June 13 2020 to September 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 30.4 °C

Event center: -10.5°S 13.0°E

Area affected: 18321923 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-13_to_2020-Sep-15_13.0_-10.5

Heat wave occuring from April 18 2020 to April 23 2020 at -28.0°S 21.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 6 days

Time span: April 18 2020 to April 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 23.7 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 28.8 °C

Event center: -28.0°S 21.5°E

Area affected: 328294 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-Apr-18_to_2020-Apr-23_21.5_-28.0