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: 6 days

Time span: February 04 2026 to February 09 2026

Statistics over entire affected area:

• Mean temperature anomaly: -5.6 °C
• Mean temperature: -30.4 °C
• Minimum temperature anomaly: -8.0 °C
• Minimum temperature: -44.8 °C

Event center: -73.0°S 90.5°E

Area affected: 1079177 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-Feb-04_to_2026-Feb-09_90.5_-73.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: February 01 2026 to February 04 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.5 °C
• Mean temperature: -41.1 °C
• Minimum temperature anomaly: -5.5 °C
• Minimum temperature: -43.7 °C

Event center: -79.0°S 112.0°E

Area affected: 183071 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-Feb-01_to_2026-Feb-04_112.0_-79.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 15 days

Time span: February 01 2026 to February 15 2026

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: -4.4 °C
• Minimum temperature anomaly: -10.9 °C
• Minimum temperature: -22.9 °C

Event center: -64.0°S 315.5°E

Area affected: 1785042 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-Feb-01_to_2026-Feb-15_315.5_-64.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: January 23 2026 to February 01 2026

Statistics over entire affected area:

• Mean temperature anomaly: -5.3 °C
• Mean temperature: -16.2 °C
• Minimum temperature anomaly: -9.0 °C
• Minimum temperature: -19.7 °C

Event center: -84.5°S 206.0°E

Area affected: 243223 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-Jan-23_to_2026-Feb-01_206.0_-84.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 12 days

Time span: January 11 2026 to January 22 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: -18.6 °C
• Minimum temperature anomaly: -7.9 °C
• Minimum temperature: -33.4 °C

Event center: -68.0°S 153.5°E

Area affected: 307928 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-Jan-11_to_2026-Jan-22_153.5_-68.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: January 09 2026 to January 17 2026

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: -30.3 °C
• Minimum temperature anomaly: -7.5 °C
• Minimum temperature: -36.0 °C

Event center: -70.5°S 114.0°E

Area affected: 476030 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-Jan-09_to_2026-Jan-17_114.0_-70.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 13 days

Time span: January 08 2026 to January 20 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.1 °C
• Mean temperature: -25.4 °C
• Minimum temperature anomaly: -8.2 °C
• Minimum temperature: -34.6 °C

Event center: -85.0°S 210.0°E

Area affected: 918637 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-Jan-08_to_2026-Jan-20_210.0_-85.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: December 20 2025 to December 26 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.7 °C
• Mean temperature: -2.6 °C
• Minimum temperature anomaly: -4.9 °C
• Minimum temperature: -10.9 °C

Event center: -73.0°S 230.0°E

Area affected: 887714 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_2025-Dec-20_to_2025-Dec-26_230.0_-73.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 15 days

Time span: December 19 2025 to January 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: -1.7 °C
• Mean temperature: -3.4 °C
• Minimum temperature anomaly: -5.0 °C
• Minimum temperature: -10.5 °C

Event center: -67.0°S 50.5°E

Area affected: 157113 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_2025-Dec-19_to_2026-Jan-02_50.5_-67.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 19 days

Time span: December 14 2025 to January 01 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: -23.8 °C
• Minimum temperature anomaly: -7.9 °C
• Minimum temperature: -34.1 °C

Event center: -81.0°S 167.0°E

Area affected: 1802623 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_2025-Dec-14_to_2026-Jan-01_167.0_-81.0