Category: Extremes affecting Australia

Cold spell occuring from January 31 2025 to February 12 2025 at -20.0°S 147.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 13 days

Time span: January 31 2025 to February 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 23.9 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 19.1 °C

Event center: -20.0°S 147.0°E

Area affected: 535766 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-Jan-31_to_2025-Feb-12_147.0_-20.0

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

Cold spell occuring from January 14 2025 to January 21 2025 at -17.5°S 122.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 8 days

Time span: January 14 2025 to January 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 27.0 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 23.4 °C

Event center: -17.5°S 122.5°E

Area affected: 268533 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-Jan-14_to_2025-Jan-21_122.5_-17.5

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

Heat wave occuring from December 23 2024 to December 31 2024 at -21.5°S 143.5°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: December 23 2024 to December 31 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 34.1 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 36.8 °C

Event center: -21.5°S 143.5°E

Area affected: 77149 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-23_to_2024-Dec-31_143.5_-21.5

Cold spell occuring from December 19 2024 to December 21 2024 at -21.5°S 147.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 3 days

Time span: December 19 2024 to December 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 23.8 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 22.2 °C

Event center: -21.5°S 147.0°E

Area affected: 60413 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_2024-Dec-19_to_2024-Dec-21_147.0_-21.5

Heat wave occuring from December 13 2024 to December 22 2024 at -19.0°S 132.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 10 days

Time span: December 13 2024 to December 22 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 35.9 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 40.2 °C

Event center: -19.0°S 132.5°E

Area affected: 1328624 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-13_to_2024-Dec-22_132.5_-19.0