Category: Heat waves affecting New Zealand

Heat wave occuring from June 07 2020 to June 21 2020 at -18.0°S 139.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand
  • Papua New Guinea

Duration: 15 days

Time span: June 07 2020 to June 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 13.7 °C
  • Maximum temperature anomaly: 14.0 °C
  • Maximum temperature: 29.0 °C

Event center: -18.0°S 139.0°E

Area affected: 8620291 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_2020-Jun-07_to_2020-Jun-21_139.0_-18.0

Heat wave occuring from May 09 2020 to May 17 2020 at -55.5°S 181.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • New Zealand

Duration: 9 days

Time span: May 09 2020 to May 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 5.0 °C
  • Maximum temperature anomaly: 11.9 °C
  • Maximum temperature: 11.8 °C

Event center: -55.5°S 181.5°E

Area affected: 3049925 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_2020-May-09_to_2020-May-17_181.5_-55.5

Heat wave occuring from May 01 2020 to May 03 2020 at -32.0°S 175.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 3 days

Time span: May 01 2020 to May 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 21.0 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 22.2 °C

Event center: -32.0°S 175.0°E

Area affected: 125585 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_2020-May-01_to_2020-May-03_175.0_-32.0

Heat wave occuring from April 17 2020 to April 19 2020 at -38.0°S 178.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 3 days

Time span: April 17 2020 to April 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 18.3 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 19.2 °C

Event center: -38.0°S 178.5°E

Area affected: 64925 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_2020-Apr-17_to_2020-Apr-19_178.5_-38.0

Heat wave occuring from April 02 2020 to April 09 2020 at -56.0°S 164.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • New Zealand

Duration: 8 days

Time span: April 02 2020 to April 09 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 4.8 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 11.5 °C

Event center: -56.0°S 164.5°E

Area affected: 3011740 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_2020-Apr-02_to_2020-Apr-09_164.5_-56.0

Heat wave occuring from February 26 2020 to February 28 2020 at -41.0°S 176.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 3 days

Time span: February 26 2020 to February 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 18.6 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 22.1 °C

Event center: -41.0°S 176.5°E

Area affected: 54627 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_2020-Feb-26_to_2020-Feb-28_176.5_-41.0

Heat wave occuring from February 15 2020 to February 18 2020 at -43.0°S 172.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 4 days

Time span: February 15 2020 to February 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 18.7 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 23.6 °C

Event center: -43.0°S 172.5°E

Area affected: 60491 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_2020-Feb-15_to_2020-Feb-18_172.5_-43.0

Heat wave occuring from January 23 2020 to February 07 2020 at -38.0°S 178.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 16 days

Time span: January 23 2020 to February 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 19.1 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 26.6 °C

Event center: -38.0°S 178.0°E

Area affected: 3360233 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_2020-Jan-23_to_2020-Feb-07_178.0_-38.0

Heat wave occuring from January 22 2020 to January 30 2020 at -55.0°S 177.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 9 days

Time span: January 22 2020 to January 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 9.5 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 13.8 °C

Event center: -55.0°S 177.0°E

Area affected: 1186096 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_2020-Jan-22_to_2020-Jan-30_177.0_-55.0

Heat wave occuring from January 19 2020 to February 03 2020 at -41.5°S 173.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 16 days

Time span: January 19 2020 to February 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 20.0 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 27.3 °C

Event center: -41.5°S 173.5°E

Area affected: 116829 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_2020-Jan-19_to_2020-Feb-03_173.5_-41.5