Cold spell occuring from March 05 2025 to March 16 2025 at -24.5°S 179.5°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia
  • New Zealand

Duration: 12 days

Time span: March 05 2025 to March 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 17.7 °C

Event center: -24.5°S 179.5°E

Area affected: 1633572 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-Mar-05_to_2025-Mar-16_179.5_-24.5

Cold spell occuring from May 23 2024 to May 28 2024 at -22.0°S 167.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia

Duration: 6 days

Time span: May 23 2024 to May 28 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 16.5 °C

Event center: -22.0°S 167.0°E

Area affected: 89031 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_2024-May-23_to_2024-May-28_167.0_-22.0

Cold spell occuring from March 29 2024 to March 31 2024 at -21.5°S 168.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia

Duration: 3 days

Time span: March 29 2024 to March 31 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 23.3 °C

Event center: -21.5°S 168.0°E

Area affected: 91515 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_2024-Mar-29_to_2024-Mar-31_168.0_-21.5

Cold spell occuring from November 06 2023 to November 17 2023 at -18.0°S 156.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • New Caledonia
  • Papua New Guinea

Duration: 12 days

Time span: November 06 2023 to November 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -2.3 °C
  • Minimum temperature: 17.5 °C

Event center: -18.0°S 156.5°E

Area affected: 1169638 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-Nov-06_to_2023-Nov-17_156.5_-18.0

Cold spell occuring from November 05 2023 to November 16 2023 at -21.0°S 166.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia
  • Vanuatu

Duration: 12 days

Time span: November 05 2023 to November 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 24.2 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 18.5 °C

Event center: -21.0°S 166.0°E

Area affected: 253296 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-Nov-05_to_2023-Nov-16_166.0_-21.0

Cold spell occuring from October 29 2023 to November 01 2023 at -17.0°S 152.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • New Caledonia

Duration: 4 days

Time span: October 29 2023 to November 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -1.7 °C
  • Minimum temperature: 21.9 °C

Event center: -17.0°S 152.0°E

Area affected: 322334 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-Oct-29_to_2023-Nov-01_152.0_-17.0

Cold spell occuring from September 23 2023 to September 30 2023 at -24.5°S 162.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia

Duration: 8 days

Time span: September 23 2023 to September 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 18.5 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 13.9 °C

Event center: -24.5°S 162.0°E

Area affected: 845338 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-23_to_2023-Sep-30_162.0_-24.5

Cold spell occuring from September 12 2023 to September 14 2023 at -20.5°S 159.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia

Duration: 3 days

Time span: September 12 2023 to September 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 19.7 °C

Event center: -20.5°S 159.0°E

Area affected: 63702 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-12_to_2023-Sep-14_159.0_-20.5

Cold spell occuring from August 06 2023 to August 15 2023 at -16.0°S 170.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia
  • Vanuatu

Duration: 10 days

Time span: August 06 2023 to August 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 13.6 °C

Event center: -16.0°S 170.0°E

Area affected: 1759358 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-06_to_2023-Aug-15_170.0_-16.0

Cold spell occuring from February 12 2023 to March 05 2023 at -26.5°S 165.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • New Caledonia
  • Norfolk Island

Duration: 22 days

Time span: February 12 2023 to March 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 23.2 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 18.8 °C

Event center: -26.5°S 165.0°E

Area affected: 2578008 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-Feb-12_to_2023-Mar-05_165.0_-26.5