Heat wave occuring from April 01 2025 to April 21 2025 at -20.0°S 117.0°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: April 01 2025 to April 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 34.0 °C

Event center: -20.0°S 117.0°E

Area affected: 5009388 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_2025-Apr-01_to_2025-Apr-21_117.0_-20.0

Heat wave occuring from March 23 2025 to March 29 2025 at -36.0°S 148.0°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: March 23 2025 to March 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 23.6 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 27.6 °C

Event center: -36.0°S 148.0°E

Area affected: 264207 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_2025-Mar-23_to_2025-Mar-29_148.0_-36.0

Heat wave occuring from February 22 2025 to March 06 2025 at -49.5°S 159.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 13 days

Time span: February 22 2025 to March 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 6.5 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 25.7 °C

Event center: -49.5°S 159.5°E

Area affected: 4485076 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_2025-Feb-22_to_2025-Mar-06_159.5_-49.5

Heat wave occuring from February 11 2025 to February 19 2025 at -17.5°S 139.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 9 days

Time span: February 11 2025 to February 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 30.7 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 32.9 °C

Event center: -17.5°S 139.5°E

Area affected: 115454 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_2025-Feb-11_to_2025-Feb-19_139.5_-17.5

Heat wave occuring from February 01 2025 to February 04 2025 at -38.5°S 145.5°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: February 01 2025 to February 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 33.6 °C

Event center: -38.5°S 145.5°E

Area affected: 119430 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_2025-Feb-01_to_2025-Feb-04_145.5_-38.5

Heat wave occuring from January 28 2025 to February 03 2025 at -42.5°S 135.5°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: January 28 2025 to February 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 23.7 °C

Event center: -42.5°S 135.5°E

Area affected: 1322227 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_2025-Jan-28_to_2025-Feb-03_135.5_-42.5

Heat wave occuring from January 08 2025 to January 10 2025 at -26.5°S 125.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 3 days

Time span: January 08 2025 to January 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: 35.0 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 38.2 °C

Event center: -26.5°S 125.5°E

Area affected: 121097 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_2025-Jan-08_to_2025-Jan-10_125.5_-26.5

Heat wave occuring from January 06 2025 to January 12 2025 at -6.0°S 134.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • Indonesia

Duration: 7 days

Time span: January 06 2025 to January 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.6 °C

Event center: -6.0°S 134.0°E

Area affected: 198777 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_2025-Jan-06_to_2025-Jan-12_134.0_-6.0

Heat wave occuring from January 03 2025 to January 25 2025 at -48.0°S 152.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • New Zealand

Duration: 23 days

Time span: January 03 2025 to January 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 14.0 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 20.7 °C

Event center: -48.0°S 152.5°E

Area affected: 2539631 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_2025-Jan-03_to_2025-Jan-25_152.5_-48.0

Heat wave occuring from December 30 2024 to January 01 2025 at -54.0°S 154.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 3 days

Time span: December 30 2024 to January 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 8.5 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 11.6 °C

Event center: -54.0°S 154.0°E

Area affected: 196569 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_2024-Dec-30_to_2025-Jan-01_154.0_-54.0