Category: Extremes affecting Antarctica

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 12 days

Time span: June 07 2026 to June 18 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.8 °C
• Mean temperature: -56.7 °C
• Minimum temperature anomaly: -18.5 °C
• Minimum temperature: -74.3 °C

Event center: -76.0°S 44.0°E

Area affected: 1785256 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-07_to_2026-Jun-18_44.0_-76.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 13 days

Time span: June 06 2026 to June 18 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.5 °C
• Mean temperature: -48.3 °C
• Minimum temperature anomaly: -24.0 °C
• Minimum temperature: -59.3 °C

Event center: -84.5°S 205.5°E

Area affected: 962725 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-06_to_2026-Jun-18_205.5_-84.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 11 days

Time span: May 30 2026 to June 09 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.3 °C
• Mean temperature: -14.8 °C
• Minimum temperature anomaly: -16.2 °C
• Minimum temperature: -32.2 °C

Event center: -66.0°S 219.0°E

Area affected: 1292305 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-May-30_to_2026-Jun-09_219.0_-66.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: May 28 2026 to June 04 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.7 °C
• Mean temperature: -64.0 °C
• Minimum temperature anomaly: -10.7 °C
• Minimum temperature: -70.1 °C

Event center: -73.0°S 120.5°E

Area affected: 224680 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-May-28_to_2026-Jun-04_120.5_-73.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: May 27 2026 to June 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: -7.8 °C
• Mean temperature: -22.7 °C
• Minimum temperature anomaly: -12.8 °C
• Minimum temperature: -42.8 °C

Event center: -69.5°S 18.5°E

Area affected: 249046 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-May-27_to_2026-Jun-02_18.5_-69.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 12 days

Time span: May 26 2026 to June 06 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.3 °C
• Mean temperature: -41.8 °C
• Minimum temperature anomaly: -14.5 °C
• Minimum temperature: -55.3 °C

Event center: -72.5°S 171.0°E

Area affected: 479599 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-May-26_to_2026-Jun-06_171.0_-72.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 11 days

Time span: May 26 2026 to June 05 2026

Statistics over entire affected area:

• Mean temperature anomaly: -10.0 °C
• Mean temperature: -38.8 °C
• Minimum temperature anomaly: -18.9 °C
• Minimum temperature: -58.0 °C

Event center: -74.0°S 337.5°E

Area affected: 989420 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-May-26_to_2026-Jun-05_337.5_-74.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 11 days

Time span: May 24 2026 to June 03 2026

Statistics over entire affected area:

• Mean temperature anomaly: -9.0 °C
• Mean temperature: -62.6 °C
• Minimum temperature anomaly: -13.8 °C
• Minimum temperature: -73.5 °C

Event center: -81.5°S 63.0°E

Area affected: 555436 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-May-24_to_2026-Jun-03_63.0_-81.5