Category: Extremes affecting Australia

Cold spell occuring from April 11 2026 to April 17 2026 at -17.5°S 129.0°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: April 11 2026 to April 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 21.8 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: 15.7 °C

Event center: -17.5°S 129.0°E

Area affected: 1447318 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_2026-Apr-11_to_2026-Apr-17_129.0_-17.5

Cold spell occuring from April 11 2026 to April 13 2026 at -32.5°S 136.0°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: April 11 2026 to April 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 14.8 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 13.1 °C

Event center: -32.5°S 136.0°E

Area affected: 52468 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_2026-Apr-11_to_2026-Apr-13_136.0_-32.5

Cold spell occuring from April 06 2026 to April 12 2026 at -15.5°S 143.0°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: April 06 2026 to April 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 21.3 °C

Event center: -15.5°S 143.0°E

Area affected: 163046 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_2026-Apr-06_to_2026-Apr-12_143.0_-15.5

Heat wave occuring from March 31 2026 to April 11 2026 at -30.0°S 145.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 12 days

Time span: March 31 2026 to April 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 24.6 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 31.0 °C

Event center: -30.0°S 145.5°E

Area affected: 1210195 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_2026-Mar-31_to_2026-Apr-11_145.5_-30.0

Heat wave occuring from March 31 2026 to April 09 2026 at -23.0°S 119.5°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: March 31 2026 to April 09 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 29.9 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 33.6 °C

Event center: -23.0°S 119.5°E

Area affected: 585304 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_2026-Mar-31_to_2026-Apr-09_119.5_-23.0

Heat wave occuring from March 28 2026 to April 02 2026 at -39.5°S 135.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 6 days

Time span: March 28 2026 to April 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 17.7 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 25.4 °C

Event center: -39.5°S 135.0°E

Area affected: 1895275 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_2026-Mar-28_to_2026-Apr-02_135.0_-39.5

Cold spell occuring from March 26 2026 to April 01 2026 at -17.0°S 126.0°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: March 26 2026 to April 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -10.3 °C
  • Minimum temperature: 4.3 °C

Event center: -17.0°S 126.0°E

Area affected: 2080930 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_2026-Mar-26_to_2026-Apr-01_126.0_-17.0

Cold spell occuring from March 26 2026 to April 12 2026 at -20.0°S 114.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 18 days

Time span: March 26 2026 to April 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.8 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 21.8 °C

Event center: -20.0°S 114.0°E

Area affected: 507052 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_2026-Mar-26_to_2026-Apr-12_114.0_-20.0

Heat wave occuring from March 21 2026 to March 26 2026 at -42.5°S 149.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 6 days

Time span: March 21 2026 to March 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 19.9 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 23.7 °C

Event center: -42.5°S 149.0°E

Area affected: 421125 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_2026-Mar-21_to_2026-Mar-26_149.0_-42.5

Heat wave occuring from March 15 2026 to March 26 2026 at -25.5°S 116.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 12 days

Time span: March 15 2026 to March 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 24.4 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 36.9 °C

Event center: -25.5°S 116.5°E

Area affected: 1418647 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_2026-Mar-15_to_2026-Mar-26_116.5_-25.5