Category: Extremes affecting Australia

Heat wave occuring from September 28 2023 to September 30 2023 at -36.0°S 133.0°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: September 28 2023 to September 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 16.8 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 19.0 °C

Event center: -36.0°S 133.0°E

Area affected: 50530 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_2023-Sep-28_to_2023-Sep-30_133.0_-36.0

Cold spell occuring from September 10 2023 to September 13 2023 at -58.0°S 151.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 4 days

Time span: September 10 2023 to September 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 0.5 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: -3.2 °C

Event center: -58.0°S 151.0°E

Area affected: 163663 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_2023-Sep-10_to_2023-Sep-13_151.0_-58.0

Heat wave occuring from September 09 2023 to September 13 2023 at -17.5°S 119.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 5 days

Time span: September 09 2023 to September 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 28.3 °C

Event center: -17.5°S 119.0°E

Area affected: 168852 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_2023-Sep-09_to_2023-Sep-13_119.0_-17.5

Heat wave occuring from September 09 2023 to September 13 2023 at -12.5°S 130.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 5 days

Time span: September 09 2023 to September 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 30.2 °C

Event center: -12.5°S 130.5°E

Area affected: 51097 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_2023-Sep-09_to_2023-Sep-13_130.5_-12.5

Cold spell occuring from September 08 2023 to September 10 2023 at -33.5°S 149.5°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: September 08 2023 to September 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 6.1 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 1.1 °C

Event center: -33.5°S 149.5°E

Area affected: 110272 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_2023-Sep-08_to_2023-Sep-10_149.5_-33.5

Heat wave occuring from September 08 2023 to September 11 2023 at -12.0°S 133.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 4 days

Time span: September 08 2023 to September 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 29.7 °C

Event center: -12.0°S 133.5°E

Area affected: 54400 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_2023-Sep-08_to_2023-Sep-11_133.5_-12.0

Cold spell occuring from September 07 2023 to September 09 2023 at -34.0°S 134.5°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: September 07 2023 to September 09 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 10.5 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 4.6 °C

Event center: -34.0°S 134.5°E

Area affected: 204498 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_2023-Sep-07_to_2023-Sep-09_134.5_-34.0

Cold spell occuring from September 06 2023 to September 08 2023 at -34.5°S 128.5°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: September 06 2023 to September 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 9.7 °C

Event center: -34.5°S 128.5°E

Area affected: 102077 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_2023-Sep-06_to_2023-Sep-08_128.5_-34.5

Heat wave occuring from September 01 2023 to September 06 2023 at -52.5°S 155.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia

Duration: 6 days

Time span: September 01 2023 to September 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 4.3 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 10.0 °C

Event center: -52.5°S 155.5°E

Area affected: 616511 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_2023-Sep-01_to_2023-Sep-06_155.5_-52.5

Cold spell occuring from August 30 2023 to September 04 2023 at -12.0°S 142.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 6 days

Time span: August 30 2023 to September 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 21.8 °C

Event center: -12.0°S 142.0°E

Area affected: 57072 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_2023-Aug-30_to_2023-Sep-04_142.0_-12.0