Cold spell occuring from March 21 2025 to March 24 2025 at -15.0°S 166.0°E

Download data: JSON

Event type: Cold spell

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

  • Vanuatu

Duration: 4 days

Time span: March 21 2025 to March 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 26.4 °C
  • Minimum temperature anomaly: -1.3 °C
  • Minimum temperature: 25.2 °C

Event center: -15.0°S 166.0°E

Area affected: 62970 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-21_to_2025-Mar-24_166.0_-15.0

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 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 July 27 2023 to August 01 2023 at -15.5°S 167.0°E

Download data: JSON

Event type: Cold spell

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

  • Vanuatu

Duration: 6 days

Time span: July 27 2023 to August 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 22.0 °C
  • Minimum temperature anomaly: -2.0 °C
  • Minimum temperature: 19.9 °C

Event center: -15.5°S 167.0°E

Area affected: 169844 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-27_to_2023-Aug-01_167.0_-15.5

Cold spell occuring from March 19 2023 to March 24 2023 at -17.5°S 166.5°E

Download data: JSON

Event type: Cold spell

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

  • Vanuatu

Duration: 6 days

Time span: March 19 2023 to March 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 26.1 °C
  • Minimum temperature anomaly: -1.5 °C
  • Minimum temperature: 25.4 °C

Event center: -17.5°S 166.5°E

Area affected: 142089 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-19_to_2023-Mar-24_166.5_-17.5

Cold spell occuring from March 06 2023 to March 13 2023 at -16.0°S 173.0°E

Download data: JSON

Event type: Cold spell

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

  • Vanuatu

Duration: 8 days

Time span: March 06 2023 to March 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -1.4 °C
  • Minimum temperature: 26.0 °C

Event center: -16.0°S 173.0°E

Area affected: 122395 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-06_to_2023-Mar-13_173.0_-16.0

Cold spell occuring from May 20 2021 to June 03 2021 at -20.5°S 165.0°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia
  • Vanuatu

Duration: 15 days

Time span: May 20 2021 to June 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 11.5 °C

Event center: -20.5°S 165.0°E

Area affected: 1825445 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-May-20_to_2021-Jun-03_165.0_-20.5

Cold spell occuring from March 07 2021 to March 26 2021 at -21.5°S 176.0°E

Download data: JSON

Event type: Cold spell

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

  • Fiji
  • Solomon Islands
  • Tonga
  • Vanuatu

Duration: 20 days

Time span: March 07 2021 to March 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 25.2 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 20.0 °C

Event center: -21.5°S 176.0°E

Area affected: 4237184 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-07_to_2021-Mar-26_176.0_-21.5

Cold spell occuring from May 17 2020 to May 22 2020 at -19.5°S 169.5°E

Download data: JSON

Event type: Cold spell

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

  • New Caledonia
  • Vanuatu

Duration: 6 days

Time span: May 17 2020 to May 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 16.0 °C

Event center: -19.5°S 169.5°E

Area affected: 1063260 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_2020-May-17_to_2020-May-22_169.5_-19.5

Cold spell occuring from May 05 2020 to May 07 2020 at -17.5°S 169.5°E

Download data: JSON

Event type: Cold spell

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

  • Vanuatu

Duration: 3 days

Time span: May 05 2020 to May 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -2.3 °C
  • Minimum temperature: 23.5 °C

Event center: -17.5°S 169.5°E

Area affected: 94427 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_2020-May-05_to_2020-May-07_169.5_-17.5