Cold spell occuring from April 18 2026 to April 27 2026 at -12.5°S 128.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • Timor-Leste

Duration: 10 days

Time span: April 18 2026 to April 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 24.4 °C

Event center: -12.5°S 128.5°E

Area affected: 214884 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-18_to_2026-Apr-27_128.5_-12.5

Cold spell occuring from March 18 2026 to March 25 2026 at -7.5°S 126.0°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Timor-Leste

Duration: 8 days

Time span: March 18 2026 to March 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 26.3 °C
  • Minimum temperature anomaly: -1.3 °C
  • Minimum temperature: 24.9 °C

Event center: -7.5°S 126.0°E

Area affected: 174930 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-18_to_2026-Mar-25_126.0_-7.5

Cold spell occuring from December 03 2025 to December 10 2025 at -8.5°S 127.0°E

Download data: JSON

Event type: Cold spell

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

  • Timor-Leste

Duration: 8 days

Time span: December 03 2025 to December 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -1.9 °C
  • Minimum temperature: 24.6 °C

Event center: -8.5°S 127.0°E

Area affected: 165621 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-Dec-03_to_2025-Dec-10_127.0_-8.5

Cold spell occuring from July 23 2023 to July 28 2023 at -17.0°S 123.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • Indonesia
  • Timor-Leste

Duration: 6 days

Time span: July 23 2023 to July 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 19.9 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 12.9 °C

Event center: -17.0°S 123.5°E

Area affected: 2068342 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-Jul-23_to_2023-Jul-28_123.5_-17.0

Cold spell occuring from November 08 2022 to December 03 2022 at -21.0°S 125.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • Christmas Island
  • Indonesia
  • Timor-Leste

Duration: 26 days

Time span: November 08 2022 to December 03 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 17.7 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: 1.6 °C

Event center: -21.0°S 125.5°E

Area affected: 15498099 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_2022-Nov-08_to_2022-Dec-03_125.5_-21.0

Cold spell occuring from February 19 2022 to February 26 2022 at -9.0°S 122.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Timor-Leste

Duration: 8 days

Time span: February 19 2022 to February 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 21.3 °C

Event center: -9.0°S 122.5°E

Area affected: 168013 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_2022-Feb-19_to_2022-Feb-26_122.5_-9.0

Cold spell occuring from November 11 2021 to November 16 2021 at -7.0°S 120.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Timor-Leste

Duration: 6 days

Time span: November 11 2021 to November 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 26.8 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 22.7 °C

Event center: -7.0°S 120.5°E

Area affected: 208141 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-Nov-11_to_2021-Nov-16_120.5_-7.0

Cold spell occuring from March 28 2021 to April 07 2021 at -8.5°S 126.0°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Timor-Leste

Duration: 11 days

Time span: March 28 2021 to April 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 25.5 °C
  • Minimum temperature anomaly: -2.0 °C
  • Minimum temperature: 21.9 °C

Event center: -8.5°S 126.0°E

Area affected: 94587 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-Mar-28_to_2021-Apr-07_126.0_-8.5

Cold spell occuring from February 25 2021 to February 28 2021 at -9.0°S 126.5°E

Download data: JSON

Event type: Cold spell

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

  • Timor-Leste

Duration: 4 days

Time span: February 25 2021 to February 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 26.4 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 24.1 °C

Event center: -9.0°S 126.5°E

Area affected: 64110 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-Feb-25_to_2021-Feb-28_126.5_-9.0