(ongoing) Heat wave occuring from August 07 2026 to August 23 2026 at -15.5°S 136.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 17 days

Time span: August 07 2026 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 27.5 °C

Event center: -15.5°S 136.5°E

Area affected: 334587 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-Aug-07_to_2026-Aug-23_136.5_-15.5

(ongoing) Heat wave occuring from October 16 2022 to August 23 2026 at -3.5°S 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Antarctica
  • Argentina
  • Armenia
  • Aruba
  • Australia
  • Austria
  • Azerbaijan
  • Azores
  • Bahamas
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Belize
  • Benin
  • Bhutan
  • Bolivia
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Canarias
  • Central African Republic
  • Chad
  • Chile
  • China
  • Colombia
  • Congo
  • Congo DRC
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czech Republic
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Falkland Islands
  • Faroe Islands
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guatemala
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Honduras
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Kyrgyzstan
  • Laos
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Madeira
  • Malawi
  • Malaysia
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Nicaragua
  • Niger
  • Nigeria
  • North Korea
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Palestinian Territory
  • Panama
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Réunion
  • Saint Eustatius
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Sierra Leone
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Georgia and the South Sandwich Islands
  • South Korea
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Sweden
  • Switzerland
  • Syria
  • Tajikistan
  • Tanzania
  • Thailand
  • Timor-Leste
  • Togo
  • Tunisia
  • Turkiye
  • Turkmenistan
  • Turks and Caicos Islands
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uruguay
  • Uzbekistan
  • Vanuatu
  • Venezuela
  • Vietnam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 1408 days

Time span: October 16 2022 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 18.5 °C
  • Maximum temperature anomaly: 33.2 °C
  • Maximum temperature: 46.7 °C

Event center: -3.5°S 25.0°E

Area affected: 509952516 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_2022-Oct-16_to_2026-Aug-23_25.0_-3.5

Heat wave occuring from August 09 2026 to August 13 2026 at -19.0°S 145.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 5 days

Time span: August 09 2026 to August 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 22.1 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 25.6 °C

Event center: -19.0°S 145.5°E

Area affected: 76534 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-Aug-09_to_2026-Aug-13_145.5_-19.0

Heat wave occuring from July 17 2026 to July 21 2026 at -29.5°S 152.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 5 days

Time span: July 17 2026 to July 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 16.6 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 19.5 °C

Event center: -29.5°S 152.5°E

Area affected: 73981 km$^2$



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

Event ID: Heat_wave_2026-Jul-17_to_2026-Jul-21_152.5_-29.5

Heat wave occuring from June 16 2026 to June 22 2026 at -23.0°S 150.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 7 days

Time span: June 16 2026 to June 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 19.8 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 22.1 °C

Event center: -23.0°S 150.0°E

Area affected: 82539 km$^2$



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

Event ID: Heat_wave_2026-Jun-16_to_2026-Jun-22_150.0_-23.0

Heat wave occuring from June 08 2026 to June 11 2026 at -10.0°S 144.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 4 days

Time span: June 08 2026 to June 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 1.3 °C
  • Maximum temperature: 26.9 °C

Event center: -10.0°S 144.0°E

Area affected: 178968 km$^2$



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

Event ID: Heat_wave_2026-Jun-08_to_2026-Jun-11_144.0_-10.0

Heat wave occuring from June 04 2026 to June 21 2026 at -40.5°S 151.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • New Zealand

Duration: 18 days

Time span: June 04 2026 to June 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 13.6 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: 26.1 °C

Event center: -40.5°S 151.0°E

Area affected: 11184499 km$^2$



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

Event ID: Heat_wave_2026-Jun-04_to_2026-Jun-21_151.0_-40.5

Heat wave occuring from June 04 2026 to June 08 2026 at -25.0°S 118.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 5 days

Time span: June 04 2026 to June 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 22.1 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 24.8 °C

Event center: -25.0°S 118.0°E

Area affected: 79251 km$^2$



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

Event ID: Heat_wave_2026-Jun-04_to_2026-Jun-08_118.0_-25.0

Heat wave occuring from June 24 2026 to July 08 2026 at -46.5°S 145.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • New Zealand

Duration: 15 days

Time span: June 24 2026 to July 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 11.7 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 22.9 °C

Event center: -46.5°S 145.0°E

Area affected: 8265410 km$^2$



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

Event ID: Heat_wave_2026-Jun-24_to_2026-Jul-08_145.0_-46.5

Heat wave occuring from June 23 2026 to July 13 2026 at -17.0°S 139.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 21 days

Time span: June 23 2026 to July 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 23.3 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 27.2 °C

Event center: -17.0°S 139.5°E

Area affected: 1431736 km$^2$



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

Event ID: Heat_wave_2026-Jun-23_to_2026-Jul-13_139.5_-17.0