Category: Cold spells affecting Antarctica

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: July 16 2026 to July 18 2026

Statistics over entire affected area:

• Mean temperature anomaly: -10.3 °C
• Mean temperature: -59.0 °C
• Minimum temperature anomaly: -12.8 °C
• Minimum temperature: -67.6 °C

Event center: -69.5°S 51.0°E

Area affected: 93645 km$^2$

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-16_to_2026-Jul-18_51.0_-69.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: July 15 2026 to July 20 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -25.7 °C
• Minimum temperature anomaly: -12.3 °C
• Minimum temperature: -30.6 °C

Event center: -65.5°S 61.5°E

Area affected: 192780 km$^2$

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-15_to_2026-Jul-20_61.5_-65.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: July 14 2026 to July 22 2026

Statistics over entire affected area:

• Mean temperature anomaly: -10.5 °C
• Mean temperature: -28.6 °C
• Minimum temperature anomaly: -15.4 °C
• Minimum temperature: -39.9 °C

Event center: -74.0°S 286.0°E

Area affected: 182683 km$^2$

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-14_to_2026-Jul-22_286.0_-74.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: July 14 2026 to July 19 2026

Statistics over entire affected area:

• Mean temperature anomaly: -11.2 °C
• Mean temperature: -35.3 °C
• Minimum temperature anomaly: -15.4 °C
• Minimum temperature: -42.5 °C

Event center: -75.5°S 259.0°E

Area affected: 82446 km$^2$

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-14_to_2026-Jul-19_259.0_-75.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 18 days

Time span: July 11 2026 to July 28 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.0 °C
• Mean temperature: -31.9 °C
• Minimum temperature anomaly: -15.8 °C
• Minimum temperature: -50.4 °C

Event center: -73.5°S 300.0°E

Area affected: 1336853 km$^2$

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-11_to_2026-Jul-28_300.0_-73.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: July 10 2026 to July 16 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.4 °C
• Mean temperature: -48.8 °C
• Minimum temperature anomaly: -13.3 °C
• Minimum temperature: -57.8 °C

Event center: -69.5°S 56.0°E

Area affected: 218023 km$^2$

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-10_to_2026-Jul-16_56.0_-69.5

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 25 2026 to June 27 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.3 °C
• Mean temperature: -34.7 °C
• Minimum temperature anomaly: -11.4 °C
• Minimum temperature: -46.8 °C

Event center: -66.5°S 140.0°E

Area affected: 62503 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-25_to_2026-Jun-27_140.0_-66.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: June 24 2026 to June 28 2026

Statistics over entire affected area:

• Mean temperature anomaly: -7.6 °C
• Mean temperature: -29.0 °C
• Minimum temperature anomaly: -9.9 °C
• Minimum temperature: -41.7 °C

Event center: -70.5°S 351.0°E

Area affected: 93115 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-24_to_2026-Jun-28_351.0_-70.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: June 23 2026 to June 27 2026

Statistics over entire affected area:

• Mean temperature anomaly: -6.7 °C
• Mean temperature: -49.2 °C
• Minimum temperature anomaly: -8.0 °C
• Minimum temperature: -55.7 °C

Event center: -77.0°S 69.5°E

Area affected: 51189 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-23_to_2026-Jun-27_69.5_-77.0

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 22 2026 to June 29 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.4 °C
• Mean temperature: -67.2 °C
• Minimum temperature anomaly: -13.1 °C
• Minimum temperature: -72.1 °C

Event center: -78.0°S 48.5°E

Area affected: 326242 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-29_48.5_-78.0