Category: Extremes affecting Australia

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 9 days

Time span: March 23 2025 to March 31 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.2 °C
• Mean temperature: 26.5 °C
• Minimum temperature anomaly: -3.8 °C
• Minimum temperature: 25.5 °C

Event center: -17.0°S 140.0°E

Area affected: 111593 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-23_to_2025-Mar-31_140.0_-17.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 5 days

Time span: March 16 2025 to March 20 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.8 °C
• Mean temperature: 23.0 °C
• Minimum temperature anomaly: -4.2 °C
• Minimum temperature: 21.3 °C

Event center: -21.0°S 146.5°E

Area affected: 69529 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-16_to_2025-Mar-20_146.5_-21.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 5 days

Time span: March 16 2025 to March 20 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.8 °C
• Mean temperature: 25.8 °C
• Minimum temperature anomaly: -5.0 °C
• Minimum temperature: 23.4 °C

Event center: -18.0°S 140.5°E

Area affected: 181768 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-16_to_2025-Mar-20_140.5_-18.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: February 16 2025 to February 18 2025

Statistics over entire affected area:

• Mean temperature anomaly: -7.0 °C
• Mean temperature: 20.4 °C
• Minimum temperature anomaly: -11.7 °C
• Minimum temperature: 17.1 °C

Event center: -29.0°S 119.0°E

Area affected: 56212 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-Feb-16_to_2025-Feb-18_119.0_-29.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 7 days

Time span: February 14 2025 to February 20 2025

Statistics over entire affected area:

• Mean temperature anomaly: -6.0 °C
• Mean temperature: 19.3 °C
• Minimum temperature anomaly: -10.0 °C
• Minimum temperature: 6.8 °C

Event center: -37.0°S 150.0°E

Area affected: 611027 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-Feb-14_to_2025-Feb-20_150.0_-37.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 6 days

Time span: February 12 2025 to February 17 2025

Statistics over entire affected area:

• Mean temperature anomaly: -7.6 °C
• Mean temperature: 23.6 °C
• Minimum temperature anomaly: -13.9 °C
• Minimum temperature: 17.0 °C

Event center: -22.5°S 119.5°E

Area affected: 803319 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-Feb-12_to_2025-Feb-17_119.5_-22.5