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: 20 days

Time span: January 19 2025 to February 07 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.6 °C
• Mean temperature: -3.9 °C
• Maximum temperature anomaly: 9.7 °C
• Maximum temperature: 2.8 °C

Event center: -74.5°S 233.0°E

Area affected: 1527066 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_2025-Jan-19_to_2025-Feb-07_233.0_-74.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 3 days

Time span: January 03 2025 to January 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.0 °C
• Mean temperature: -25.2 °C
• Maximum temperature anomaly: 5.2 °C
• Maximum temperature: -20.0 °C

Event center: -74.0°S 40.5°E

Area affected: 109220 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_2025-Jan-03_to_2025-Jan-05_40.5_-74.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 13 days

Time span: January 02 2025 to January 14 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.6 °C
• Mean temperature: -18.9 °C
• Maximum temperature anomaly: 8.4 °C
• Maximum temperature: 1.4 °C

Event center: -79.0°S 301.5°E

Area affected: 1240838 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_2025-Jan-02_to_2025-Jan-14_301.5_-79.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 6 days

Time span: December 28 2024 to January 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.4 °C
• Mean temperature: -1.3 °C
• Maximum temperature anomaly: 5.6 °C
• Maximum temperature: 1.6 °C

Event center: -73.0°S 266.0°E

Area affected: 124575 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-Dec-28_to_2025-Jan-02_266.0_-73.0

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 23 2024 to January 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.4 °C
• Mean temperature: -1.6 °C
• Maximum temperature anomaly: 6.2 °C
• Maximum temperature: 2.8 °C

Event center: -73.0°S 287.0°E

Area affected: 154366 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-Dec-23_to_2025-Jan-02_287.0_-73.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 20 days

Time span: December 23 2024 to January 11 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 0.8 °C
• Maximum temperature anomaly: 7.4 °C
• Maximum temperature: 10.1 °C

Event center: -69.0°S 329.0°E

Area affected: 1823988 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-Dec-23_to_2025-Jan-11_329.0_-69.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 8 days

Time span: December 21 2024 to December 28 2024

Statistics over entire affected area:

• Mean temperature anomaly: 2.6 °C
• Mean temperature: -1.1 °C
• Maximum temperature anomaly: 5.9 °C
• Maximum temperature: 1.4 °C

Event center: -72.0°S 258.5°E

Area affected: 644469 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-Dec-21_to_2024-Dec-28_258.5_-72.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 10 days

Time span: December 20 2024 to December 29 2024

Statistics over entire affected area:

• Mean temperature anomaly: 1.7 °C
• Mean temperature: 6.2 °C
• Maximum temperature anomaly: 2.5 °C
• Maximum temperature: 12.3 °C

Event center: -60.5°S 279.5°E

Area affected: 1853684 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-Dec-20_to_2024-Dec-29_279.5_-60.5

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 18 2024 to December 24 2024

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: -1.6 °C
• Maximum temperature anomaly: 8.0 °C
• Maximum temperature: 1.5 °C

Event center: -69.5°S 159.5°E

Area affected: 281958 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-Dec-18_to_2024-Dec-24_159.5_-69.5

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 13 2024 to December 23 2024

Statistics over entire affected area:

• Mean temperature anomaly: 5.0 °C
• Mean temperature: -13.3 °C
• Maximum temperature anomaly: 8.8 °C
• Maximum temperature: 0.1 °C

Event center: -85.0°S 183.0°E

Area affected: 1444499 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-Dec-13_to_2024-Dec-23_183.0_-85.0