Heat wave occuring from October 13 2023 to October 30 2023 at -10.5°S 162.0°E

Download data: JSON

Event type: Heat wave

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

  • Solomon Islands
  • Vanuatu

Duration: 18 days

Time span: October 13 2023 to October 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 28.8 °C

Event center: -10.5°S 162.0°E

Area affected: 614295 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_2023-Oct-13_to_2023-Oct-30_162.0_-10.5

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 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

Heat wave occuring from July 16 2023 to July 20 2023 at -14.5°S 164.5°E

Download data: JSON

Event type: Heat wave

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

  • Vanuatu

Duration: 5 days

Time span: July 16 2023 to July 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 1.2 °C
  • Maximum temperature: 26.9 °C

Event center: -14.5°S 164.5°E

Area affected: 57040 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_2023-Jul-16_to_2023-Jul-20_164.5_-14.5

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

Heat wave occuring from March 12 2023 to April 27 2023 at -16.5°S 145.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • Indonesia
  • New Caledonia
  • Papua New Guinea
  • Solomon Islands
  • Vanuatu

Duration: 47 days

Time span: March 12 2023 to April 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 30.0 °C

Event center: -16.5°S 145.5°E

Area affected: 7885624 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_2023-Mar-12_to_2023-Apr-27_145.5_-16.5

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

Heat wave occuring from December 28 2022 to February 11 2023 at -22.0°S 174.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • Fiji
  • New Caledonia
  • New Zealand
  • Norfolk Island
  • Papua New Guinea
  • Solomon Islands
  • Tonga
  • Vanuatu

Duration: 46 days

Time span: December 28 2022 to February 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 21.6 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 29.4 °C

Event center: -22.0°S 174.5°E

Area affected: 15248407 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_2022-Dec-28_to_2023-Feb-11_174.5_-22.0

Heat wave occuring from October 14 2022 to October 21 2022 at -15.5°S 166.5°E

Download data: JSON

Event type: Heat wave

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

  • Fiji
  • Vanuatu

Duration: 8 days

Time span: October 14 2022 to October 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 27.8 °C

Event center: -15.5°S 166.5°E

Area affected: 388049 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_2022-Oct-14_to_2022-Oct-21_166.5_-15.5

Heat wave occuring from April 30 2022 to May 06 2022 at -19.5°S 168.5°E

Download data: JSON

Event type: Heat wave

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

  • Vanuatu

Duration: 7 days

Time span: April 30 2022 to May 06 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 27.5 °C

Event center: -19.5°S 168.5°E

Area affected: 183357 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_2022-Apr-30_to_2022-May-06_168.5_-19.5