Category: Extremes affecting Australia

Heat wave occuring from April 20 2023 to April 27 2023 at -46.0°S 145.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 8 days

Time span: April 20 2023 to April 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 15.8 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 21.8 °C

Event center: -46.0°S 145.0°E

Area affected: 1466972 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-Apr-20_to_2023-Apr-27_145.0_-46.0

Heat wave occuring from April 19 2023 to April 25 2023 at -16.0°S 148.0°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: April 19 2023 to April 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 27.3 °C

Event center: -16.0°S 148.0°E

Area affected: 70716 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-Apr-19_to_2023-Apr-25_148.0_-16.0

Heat wave occuring from April 12 2023 to April 15 2023 at -45.0°S 142.0°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: April 12 2023 to April 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 13.0 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 16.2 °C

Event center: -45.0°S 142.0°E

Area affected: 357036 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-Apr-12_to_2023-Apr-15_142.0_-45.0

Cold spell occuring from April 09 2023 to April 13 2023 at -29.5°S 151.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 5 days

Time span: April 09 2023 to April 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 13.7 °C
  • Minimum temperature anomaly: -6.7 °C
  • Minimum temperature: 7.5 °C

Event center: -29.5°S 151.5°E

Area affected: 220877 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-Apr-09_to_2023-Apr-13_151.5_-29.5

Cold spell occuring from April 03 2023 to April 25 2023 at -17.5°S 102.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 23 days

Time span: April 03 2023 to April 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: 10.7 °C

Event center: -17.5°S 102.5°E

Area affected: 7514971 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-Apr-03_to_2023-Apr-25_102.5_-17.5

Cold spell occuring from April 01 2023 to April 05 2023 at -20.5°S 141.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 5 days

Time span: April 01 2023 to April 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 22.5 °C

Event center: -20.5°S 141.5°E

Area affected: 57980 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-Apr-01_to_2023-Apr-05_141.5_-20.5

Cold spell occuring from March 30 2023 to April 03 2023 at -23.5°S 136.5°E

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 30 2023 to April 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 18.0 °C

Event center: -23.5°S 136.5°E

Area affected: 64966 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-Mar-30_to_2023-Apr-03_136.5_-23.5

Cold spell occuring from March 30 2023 to April 01 2023 at -28.5°S 150.5°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: March 30 2023 to April 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 16.2 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 12.5 °C

Event center: -28.5°S 150.5°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: Cold_spell_2023-Mar-30_to_2023-Apr-01_150.5_-28.5

Heat wave occuring from March 30 2023 to April 05 2023 at -15.5°S 140.5°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: March 30 2023 to April 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 30.1 °C

Event center: -15.5°S 140.5°E

Area affected: 164390 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-Mar-30_to_2023-Apr-05_140.5_-15.5

Cold spell occuring from March 28 2023 to April 01 2023 at -25.0°S 124.0°E

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 28 2023 to April 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 17.1 °C

Event center: -25.0°S 124.0°E

Area affected: 103164 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-Mar-28_to_2023-Apr-01_124.0_-25.0