Category: Extremes affecting Australia

Cold spell occuring from September 07 2021 to September 12 2021 at -60.5°S 150.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Australia

Duration: 6 days

Time span: September 07 2021 to September 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -7.8 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -24.3 °C

Event center: -60.5°S 150.5°E

Area affected: 1592935 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_2021-Sep-07_to_2021-Sep-12_150.5_-60.5

Cold spell occuring from September 05 2021 to September 07 2021 at -29.0°S 151.5°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 05 2021 to September 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 11.4 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 6.1 °C

Event center: -29.0°S 151.5°E

Area affected: 139637 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_2021-Sep-05_to_2021-Sep-07_151.5_-29.0

Cold spell occuring from September 04 2021 to September 10 2021 at -19.0°S 130.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 7 days

Time span: September 04 2021 to September 10 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 17.0 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: 10.4 °C

Event center: -19.0°S 130.0°E

Area affected: 945972 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_2021-Sep-04_to_2021-Sep-10_130.0_-19.0

Cold spell occuring from September 02 2021 to September 05 2021 at -33.5°S 122.0°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 02 2021 to September 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 10.0 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 6.7 °C

Event center: -33.5°S 122.0°E

Area affected: 245911 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_2021-Sep-02_to_2021-Sep-05_122.0_-33.5

Heat wave occuring from August 31 2021 to September 02 2021 at -34.5°S 141.5°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: August 31 2021 to September 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.4 °C
  • Mean temperature: 22.5 °C
  • Maximum temperature anomaly: 13.7 °C
  • Maximum temperature: 27.7 °C

Event center: -34.5°S 141.5°E

Area affected: 85870 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_2021-Aug-31_to_2021-Sep-02_141.5_-34.5

Cold spell occuring from August 24 2021 to August 26 2021 at -22.5°S 135.0°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: August 24 2021 to August 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 13.5 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 10.2 °C

Event center: -22.5°S 135.0°E

Area affected: 88890 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_2021-Aug-24_to_2021-Aug-26_135.0_-22.5

Cold spell occuring from August 23 2021 to August 28 2021 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: 6 days

Time span: August 23 2021 to August 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 10.0 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 2.8 °C

Event center: -29.5°S 151.5°E

Area affected: 597048 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_2021-Aug-23_to_2021-Aug-28_151.5_-29.5

Heat wave occuring from August 19 2021 to August 22 2021 at -31.5°S 139.0°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: August 19 2021 to August 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 18.6 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 22.9 °C

Event center: -31.5°S 139.0°E

Area affected: 158162 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_2021-Aug-19_to_2021-Aug-22_139.0_-31.5

Heat wave occuring from August 19 2021 to September 09 2021 at -41.5°S 166.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 22 days

Time span: August 19 2021 to September 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 10.0 °C
  • Mean temperature: -23.0 °C
  • Maximum temperature anomaly: 25.3 °C
  • Maximum temperature: 26.2 °C

Event center: -41.5°S 166.0°E

Area affected: 17185095 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_2021-Aug-19_to_2021-Sep-09_166.0_-41.5

Heat wave occuring from August 07 2021 to August 09 2021 at -33.0°S 123.0°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: August 07 2021 to August 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 16.5 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 18.0 °C

Event center: -33.0°S 123.0°E

Area affected: 85787 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_2021-Aug-07_to_2021-Aug-09_123.0_-33.0