Category: Heat waves affecting Australia

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 5 days

Time span: May 09 2025 to May 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: 0.9 °C
• Mean temperature: 26.9 °C
• Maximum temperature anomaly: 1.1 °C
• Maximum temperature: 27.6 °C

Event center: -12.5°S 143.5°E

Area affected: 54345 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-May-09_to_2025-May-13_143.5_-12.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 5 days

Time span: May 09 2025 to May 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.1 °C
• Mean temperature: 17.6 °C
• Maximum temperature anomaly: 2.9 °C
• Maximum temperature: 18.9 °C

Event center: -37.0°S 132.0°E

Area affected: 203894 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-May-09_to_2025-May-13_132.0_-37.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 4 days

Time span: May 09 2025 to May 12 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.4 °C
• Mean temperature: 14.1 °C
• Maximum temperature anomaly: 3.5 °C
• Maximum temperature: 15.8 °C

Event center: -44.5°S 156.5°E

Area affected: 326310 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-May-09_to_2025-May-12_156.5_-44.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: May 04 2025 to May 06 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.7 °C
• Mean temperature: 28.4 °C
• Maximum temperature anomaly: 3.6 °C
• Maximum temperature: 29.5 °C

Event center: -14.0°S 130.0°E

Area affected: 50877 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-May-04_to_2025-May-06_130.0_-14.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 8 days

Time span: April 22 2025 to April 29 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.8 °C
• Mean temperature: 18.5 °C
• Maximum temperature anomaly: 6.8 °C
• Maximum temperature: 22.2 °C

Event center: -36.5°S 147.0°E

Area affected: 447676 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-22_to_2025-Apr-29_147.0_-36.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: April 20 2025 to April 22 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 25.7 °C
• Maximum temperature anomaly: 3.9 °C
• Maximum temperature: 27.0 °C

Event center: -27.5°S 113.5°E

Area affected: 100718 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-20_to_2025-Apr-22_113.5_-27.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 6 days

Time span: April 14 2025 to April 19 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.1 °C
• Mean temperature: 27.8 °C
• Maximum temperature anomaly: 1.4 °C
• Maximum temperature: 28.2 °C

Event center: -13.0°S 145.0°E

Area affected: 69246 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-14_to_2025-Apr-19_145.0_-13.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 6 days

Time span: April 09 2025 to April 14 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.5 °C
• Mean temperature: 17.9 °C
• Maximum temperature anomaly: 4.5 °C
• Maximum temperature: 23.2 °C

Event center: -46.0°S 161.0°E

Area affected: 733813 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-09_to_2025-Apr-14_161.0_-46.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 4 days

Time span: April 06 2025 to April 09 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.3 °C
• Mean temperature: 20.2 °C
• Maximum temperature anomaly: 3.6 °C
• Maximum temperature: 22.0 °C

Event center: -36.0°S 122.0°E

Area affected: 50587 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-06_to_2025-Apr-09_122.0_-36.0