Category: Heat waves affecting Antarctica

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 6 days

Time span: January 20 2023 to January 25 2023

Statistics over entire affected area:

• Mean temperature anomaly: 0.8 °C
• Mean temperature: 0.5 °C
• Maximum temperature anomaly: 1.2 °C
• Maximum temperature: 1.2 °C

Event center: -65.0°S 48.0°E

Area affected: 222567 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-Jan-20_to_2023-Jan-25_48.0_-65.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: January 19 2023 to January 22 2023

Statistics over entire affected area:

• Mean temperature anomaly: 0.9 °C
• Mean temperature: 0.2 °C
• Maximum temperature anomaly: 1.2 °C
• Maximum temperature: 0.7 °C

Event center: -67.0°S 25.5°E

Area affected: 56488 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-Jan-19_to_2023-Jan-22_25.5_-67.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 32 days

Time span: January 19 2023 to February 19 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.3 °C
• Mean temperature: -7.9 °C
• Maximum temperature anomaly: 12.5 °C
• Maximum temperature: 3.4 °C

Event center: -79.0°S 278.0°E

Area affected: 4409010 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-Jan-19_to_2023-Feb-19_278.0_-79.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 10 days

Time span: January 14 2023 to January 23 2023

Statistics over entire affected area:

• Mean temperature anomaly: 1.0 °C
• Mean temperature: 0.4 °C
• Maximum temperature anomaly: 2.3 °C
• Maximum temperature: 1.6 °C

Event center: -67.5°S 75.5°E

Area affected: 204619 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-Jan-14_to_2023-Jan-23_75.5_-67.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: January 08 2023 to January 14 2023

Statistics over entire affected area:

• Mean temperature anomaly: 6.1 °C
• Mean temperature: -21.5 °C
• Maximum temperature anomaly: 9.3 °C
• Maximum temperature: -0.0 °C

Event center: -74.5°S 110.5°E

Area affected: 1557353 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-Jan-08_to_2023-Jan-14_110.5_-74.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: December 29 2022 to January 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: 1.2 °C
• Mean temperature: 1.1 °C
• Maximum temperature anomaly: 2.2 °C
• Maximum temperature: 2.4 °C

Event center: -65.0°S 147.5°E

Area affected: 423293 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-29_to_2023-Jan-04_147.5_-65.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 9 days

Time span: December 19 2022 to December 27 2022

Statistics over entire affected area:

• Mean temperature anomaly: 4.7 °C
• Mean temperature: -23.0 °C
• Maximum temperature anomaly: 6.7 °C
• Maximum temperature: -20.8 °C

Event center: -86.5°S 139.5°E

Area affected: 102276 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-19_to_2022-Dec-27_139.5_-86.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 11 days

Time span: December 18 2022 to December 28 2022

Statistics over entire affected area:

• Mean temperature anomaly: 1.3 °C
• Mean temperature: 1.8 °C
• Maximum temperature anomaly: 3.1 °C
• Maximum temperature: 7.9 °C

Event center: -64.5°S 150.5°E

Area affected: 946499 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-18_to_2022-Dec-28_150.5_-64.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: December 18 2022 to December 22 2022

Statistics over entire affected area:

• Mean temperature anomaly: 2.4 °C
• Mean temperature: -0.5 °C
• Maximum temperature anomaly: 4.4 °C
• Maximum temperature: 0.7 °C

Event center: -66.0°S 116.5°E

Area affected: 69833 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-18_to_2022-Dec-22_116.5_-66.0