Category: Extremes affecting Australia

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 4 days

Time span: April 27 2025 to April 30 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.5 °C
• Mean temperature: 25.8 °C
• Minimum temperature anomaly: -2.7 °C
• Minimum temperature: 22.9 °C

Event center: -12.0°S 132.5°E

Area affected: 60512 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_2025-Apr-27_to_2025-Apr-30_132.5_-12.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 4 days

Time span: April 24 2025 to April 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: 14.4 °C
• Minimum temperature anomaly: -6.3 °C
• Minimum temperature: 11.7 °C

Event center: -30.5°S 117.0°E

Area affected: 199725 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_2025-Apr-24_to_2025-Apr-27_117.0_-30.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 7 days

Time span: April 22 2025 to April 28 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.6 °C
• Mean temperature: 23.5 °C
• Minimum temperature anomaly: -6.7 °C
• Minimum temperature: 20.3 °C

Event center: -16.0°S 127.0°E

Area affected: 214005 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_2025-Apr-22_to_2025-Apr-28_127.0_-16.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: April 22 2025 to April 24 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.4 °C
• Mean temperature: 21.7 °C
• Minimum temperature anomaly: -5.6 °C
• Minimum temperature: 19.7 °C

Event center: -19.0°S 138.0°E

Area affected: 184910 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_2025-Apr-22_to_2025-Apr-24_138.0_-19.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: April 22 2025 to April 24 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.8 °C
• Mean temperature: 19.1 °C
• Minimum temperature anomaly: -5.4 °C
• Minimum temperature: 16.9 °C

Event center: -21.5°S 146.5°E

Area affected: 132045 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_2025-Apr-22_to_2025-Apr-24_146.5_-21.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 4 days

Time span: April 21 2025 to April 24 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.8 °C
• Mean temperature: 19.9 °C
• Minimum temperature anomaly: -6.1 °C
• Minimum temperature: 18.2 °C

Event center: -20.5°S 140.5°E

Area affected: 94767 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_2025-Apr-21_to_2025-Apr-24_140.5_-20.5