Category: Extremes affecting Antarctica

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: June 22 2026 to June 27 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.9 °C
• Mean temperature: -51.5 °C
• Minimum temperature anomaly: -12.8 °C
• Minimum temperature: -58.7 °C

Event center: -81.0°S 353.5°E

Area affected: 308155 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: Cold_spell_2026-Jun-22_to_2026-Jun-27_353.5_-81.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: June 16 2026 to June 19 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.9 °C
• Mean temperature: -23.3 °C
• Minimum temperature anomaly: -15.3 °C
• Minimum temperature: -34.6 °C

Event center: -69.0°S 37.0°E

Area affected: 348605 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: Cold_spell_2026-Jun-16_to_2026-Jun-19_37.0_-69.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: June 14 2026 to June 20 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.2 °C
• Mean temperature: -32.2 °C
• Minimum temperature anomaly: -14.0 °C
• Minimum temperature: -43.9 °C

Event center: -72.5°S 300.5°E

Area affected: 488779 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: Cold_spell_2026-Jun-14_to_2026-Jun-20_300.5_-72.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: June 13 2026 to June 15 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.6 °C
• Mean temperature: -67.8 °C
• Minimum temperature anomaly: -11.6 °C
• Minimum temperature: -71.2 °C

Event center: -74.5°S 111.0°E

Area affected: 62776 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: Cold_spell_2026-Jun-13_to_2026-Jun-15_111.0_-74.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: June 09 2026 to June 16 2026

Statistics over entire affected area:

• Mean temperature anomaly: -7.3 °C
• Mean temperature: -28.9 °C
• Minimum temperature anomaly: -11.2 °C
• Minimum temperature: -34.1 °C

Event center: -77.5°S 165.5°E

Area affected: 122297 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: Cold_spell_2026-Jun-09_to_2026-Jun-16_165.5_-77.5