Category: Extremes 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 30 2025 to February 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: 6.2 °C
• Mean temperature: -11.5 °C
• Maximum temperature anomaly: 10.0 °C
• Maximum temperature: -5.6 °C

Event center: -79.0°S 235.0°E

Area affected: 116951 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-30_to_2025-Feb-04_235.0_-79.0

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 26 2025 to January 28 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.7 °C
• Mean temperature: -16.7 °C
• Maximum temperature anomaly: 7.9 °C
• Maximum temperature: -8.5 °C

Event center: -70.0°S 97.5°E

Area affected: 88284 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-26_to_2025-Jan-28_97.5_-70.0

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 25 2025 to January 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.1 °C
• Mean temperature: -8.8 °C
• Maximum temperature anomaly: 9.5 °C
• Maximum temperature: 0.6 °C

Event center: -70.0°S 110.0°E

Area affected: 64728 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-25_to_2025-Jan-27_110.0_-70.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: January 22 2025 to January 26 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.5 °C
• Mean temperature: -1.5 °C
• Maximum temperature anomaly: 7.4 °C
• Maximum temperature: 3.7 °C

Event center: -70.0°S 297.0°E

Area affected: 108030 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-22_to_2025-Jan-26_297.0_-70.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: January 19 2025 to January 23 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.8 °C
• Mean temperature: -3.1 °C
• Maximum temperature anomaly: 5.4 °C
• Maximum temperature: 0.8 °C

Event center: -76.0°S 329.0°E

Area affected: 53342 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-Jan-23_329.0_-76.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 20 days

Time span: 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