Category: Extremes affecting Antarctica

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: August 21 2023 to August 24 2023

Statistics over entire affected area:

• Mean temperature anomaly: 7.2 °C
• Mean temperature: -0.3 °C
• Maximum temperature anomaly: 10.9 °C
• Maximum temperature: 1.7 °C

Event center: -65.0°S 160.5°E

Area affected: 164611 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-21_to_2023-Aug-24_160.5_-65.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 10 days

Time span: August 19 2023 to August 28 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.2 °C
• Mean temperature: 1.8 °C
• Maximum temperature anomaly: 9.8 °C
• Maximum temperature: 5.6 °C

Event center: -63.0°S 176.5°E

Area affected: 226629 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-19_to_2023-Aug-28_176.5_-63.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 17 days

Time span: August 15 2023 to August 31 2023

Statistics over entire affected area:

• Mean temperature anomaly: 13.0 °C
• Mean temperature: -32.6 °C
• Maximum temperature anomaly: 26.5 °C
• Maximum temperature: 0.5 °C

Event center: -83.0°S 12.5°E

Area affected: 6311722 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-15_to_2023-Aug-31_12.5_-83.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: August 14 2023 to August 17 2023

Statistics over entire affected area:

• Mean temperature anomaly: 9.8 °C
• Mean temperature: -14.6 °C
• Maximum temperature anomaly: 14.5 °C
• Maximum temperature: -4.7 °C

Event center: -67.0°S 114.5°E

Area affected: 149138 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-14_to_2023-Aug-17_114.5_-67.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: August 13 2023 to August 19 2023

Statistics over entire affected area:

• Mean temperature anomaly: 7.5 °C
• Mean temperature: -0.8 °C
• Maximum temperature anomaly: 13.2 °C
• Maximum temperature: 1.4 °C

Event center: -64.0°S 150.5°E

Area affected: 452924 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-13_to_2023-Aug-19_150.5_-64.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: July 31 2023 to August 06 2023

Statistics over entire affected area:

• Mean temperature anomaly: 11.8 °C
• Mean temperature: -20.3 °C
• Maximum temperature anomaly: 18.5 °C
• Maximum temperature: -15.1 °C

Event center: -77.0°S 309.0°E

Area affected: 80042 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-31_to_2023-Aug-06_309.0_-77.0