Category: Heat waves affecting New Zealand

Download data: JSON

Event type: Heat wave

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

• New Zealand

Duration: 6 days

Time span: July 24 2024 to July 29 2024

Statistics over entire affected area:

• Mean temperature anomaly: 2.1 °C
• Mean temperature: 11.7 °C
• Maximum temperature anomaly: 5.2 °C
• Maximum temperature: 14.1 °C

Event center: -42.5°S 174.0°E

Area affected: 60380 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_2024-Jul-24_to_2024-Jul-29_174.0_-42.5

Download data: JSON

Event type: Heat wave

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

• New Zealand

Duration: 5 days

Time span: June 06 2024 to June 10 2024

Statistics over entire affected area:

• Mean temperature anomaly: 2.2 °C
• Mean temperature: 17.5 °C
• Maximum temperature anomaly: 5.4 °C
• Maximum temperature: 19.2 °C

Event center: -34.0°S 173.0°E

Area affected: 180689 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_2024-Jun-06_to_2024-Jun-10_173.0_-34.0

Download data: JSON

Event type: Heat wave

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

• New Zealand

Duration: 19 days

Time span: November 14 2023 to December 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 14.5 °C
• Maximum temperature anomaly: 3.8 °C
• Maximum temperature: 20.6 °C

Event center: -36.5°S 186.5°E

Area affected: 4962961 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-Nov-14_to_2023-Dec-02_186.5_-36.5

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: October 23 2023 to October 26 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.4 °C
• Mean temperature: 14.4 °C
• Maximum temperature anomaly: 5.0 °C
• Maximum temperature: 19.0 °C

Event center: -46.5°S 181.5°E

Area affected: 386013 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-23_to_2023-Oct-26_181.5_-46.5

Download data: JSON

Event type: Heat wave

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

• New Zealand

Duration: 12 days

Time span: October 12 2023 to October 23 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 13.7 °C
• Maximum temperature anomaly: 4.9 °C
• Maximum temperature: 23.4 °C

Event center: -40.5°S 193.5°E

Area affected: 4790750 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-12_to_2023-Oct-23_193.5_-40.5

Download data: JSON

Event type: Heat wave

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

• New Zealand

Duration: 6 days

Time span: September 01 2023 to September 06 2023

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 15.3 °C
• Maximum temperature anomaly: 2.3 °C
• Maximum temperature: 16.3 °C

Event center: -36.0°S 175.5°E

Area affected: 67483 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-Sep-01_to_2023-Sep-06_175.5_-36.0

Download data: JSON

Event type: Heat wave

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

• New Zealand

Duration: 7 days

Time span: August 31 2023 to September 06 2023

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 17.5 °C
• Maximum temperature anomaly: 2.0 °C
• Maximum temperature: 19.6 °C

Event center: -34.5°S 173.5°E

Area affected: 100099 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-Aug-31_to_2023-Sep-06_173.5_-34.5