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: 5 days

Time span: April 29 2026 to May 03 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.9 °C
• Mean temperature: -43.3 °C
• Minimum temperature anomaly: -16.3 °C
• Minimum temperature: -52.3 °C

Event center: -81.0°S 342.0°E

Area affected: 84081 km$^2$

Fig. 1: unavailable since event is ongoing.

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

Event ID: Cold_spell_2026-Apr-29_to_2026-May-03_342.0_-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: April 27 2026 to April 30 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.1 °C
• Mean temperature: -61.5 °C
• Minimum temperature anomaly: -11.1 °C
• Minimum temperature: -67.5 °C

Event center: -75.5°S 43.5°E

Area affected: 87694 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-Apr-27_to_2026-Apr-30_43.5_-75.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: April 25 2026 to May 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: -7.8 °C
• Mean temperature: -39.4 °C
• Minimum temperature anomaly: -12.5 °C
• Minimum temperature: -46.5 °C

Event center: -82.5°S 290.0°E

Area affected: 129723 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-Apr-25_to_2026-May-02_290.0_-82.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: April 23 2026 to May 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.8 °C
• Mean temperature: -29.6 °C
• Minimum temperature anomaly: -16.5 °C
• Minimum temperature: -56.0 °C

Event center: -74.0°S 166.0°E

Area affected: 952244 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-Apr-23_to_2026-May-02_166.0_-74.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: April 23 2026 to April 29 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.3 °C
• Mean temperature: -51.4 °C
• Minimum temperature anomaly: -13.1 °C
• Minimum temperature: -59.9 °C

Event center: -82.0°S 14.5°E

Area affected: 328385 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-Apr-23_to_2026-Apr-29_14.5_-82.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: April 20 2026 to April 25 2026

Statistics over entire affected area:

• Mean temperature anomaly: -10.9 °C
• Mean temperature: -27.3 °C
• Minimum temperature anomaly: -15.8 °C
• Minimum temperature: -38.0 °C

Event center: -77.5°S 203.5°E

Area affected: 253679 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-Apr-20_to_2026-Apr-25_203.5_-77.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 14 days

Time span: April 18 2026 to May 01 2026

Statistics over entire affected area:

• Mean temperature anomaly: -12.1 °C
• Mean temperature: -43.4 °C
• Minimum temperature anomaly: -20.3 °C
• Minimum temperature: -55.6 °C

Event center: -78.5°S 189.5°E

Area affected: 327051 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-Apr-18_to_2026-May-01_189.5_-78.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: April 09 2026 to April 15 2026

Statistics over entire affected area:

• Mean temperature anomaly: -10.1 °C
• Mean temperature: -36.9 °C
• Minimum temperature anomaly: -12.9 °C
• Minimum temperature: -42.5 °C

Event center: -76.5°S 224.0°E

Area affected: 78695 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-Apr-09_to_2026-Apr-15_224.0_-76.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: April 06 2026 to April 15 2026

Statistics over entire affected area:

• Mean temperature anomaly: -12.0 °C
• Mean temperature: -42.9 °C
• Minimum temperature anomaly: -18.9 °C
• Minimum temperature: -48.2 °C

Event center: -78.5°S 200.5°E

Area affected: 132448 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-Apr-06_to_2026-Apr-15_200.5_-78.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 25 days

Time span: April 05 2026 to April 29 2026

Statistics over entire affected area:

• Mean temperature anomaly: -7.0 °C
• Mean temperature: -15.1 °C
• Minimum temperature anomaly: -18.2 °C
• Minimum temperature: -49.6 °C

Event center: -68.5°S 238.5°E

Area affected: 4563527 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-Apr-05_to_2026-Apr-29_238.5_-68.5