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 18 2025 to April 21 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.1 °C
• Mean temperature: 14.9 °C
• Minimum temperature anomaly: -7.2 °C
• Minimum temperature: 11.8 °C

Event center: -28.5°S 124.0°E

Area affected: 401439 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-18_to_2025-Apr-21_124.0_-28.5

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 14 2025 to April 17 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.5 °C
• Mean temperature: 22.0 °C
• Minimum temperature anomaly: -3.5 °C
• Minimum temperature: 20.4 °C

Event center: -20.5°S 143.5°E

Area affected: 74868 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-14_to_2025-Apr-17_143.5_-20.5

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 02 2025 to April 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.4 °C
• Mean temperature: 26.4 °C
• Minimum temperature anomaly: -4.6 °C
• Minimum temperature: 24.6 °C

Event center: -17.5°S 140.5°E

Area affected: 99977 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-02_to_2025-Apr-04_140.5_-17.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 14 days

Time span: March 25 2025 to April 07 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.3 °C
• Mean temperature: 22.7 °C
• Minimum temperature anomaly: -10.2 °C
• Minimum temperature: 15.9 °C

Event center: -21.5°S 126.0°E

Area affected: 1211688 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-Mar-25_to_2025-Apr-07_126.0_-21.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: March 25 2025 to March 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.5 °C
• Mean temperature: 19.9 °C
• Minimum temperature anomaly: -6.0 °C
• Minimum temperature: 19.1 °C

Event center: -27.5°S 144.5°E

Area affected: 54634 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-Mar-25_to_2025-Mar-27_144.5_-27.5