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: February 24 2026 to February 26 2026

Statistics over entire affected area:

• Mean temperature anomaly: -6.3 °C
• Mean temperature: -36.3 °C
• Minimum temperature anomaly: -8.0 °C
• Minimum temperature: -40.4 °C

Event center: -69.5°S 52.5°E

Area affected: 50209 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-24_to_2026-Feb-26_52.5_-69.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 11 days

Time span: February 22 2026 to March 04 2026

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -28.2 °C
• Minimum temperature anomaly: -11.5 °C
• Minimum temperature: -32.9 °C

Event center: -82.0°S 204.5°E

Area affected: 236969 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-22_to_2026-Mar-04_204.5_-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: February 22 2026 to February 27 2026

Statistics over entire affected area:

• Mean temperature anomaly: -7.9 °C
• Mean temperature: -27.3 °C
• Minimum temperature anomaly: -11.1 °C
• Minimum temperature: -29.9 °C

Event center: -83.5°S 182.5°E

Area affected: 56612 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-22_to_2026-Feb-27_182.5_-83.5

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 18 2026 to February 21 2026

Statistics over entire affected area:

• Mean temperature anomaly: -5.8 °C
• Mean temperature: -43.0 °C
• Minimum temperature anomaly: -8.7 °C
• Minimum temperature: -50.5 °C

Event center: -77.0°S 34.5°E

Area affected: 175233 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-18_to_2026-Feb-21_34.5_-77.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: February 13 2026 to February 22 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: -13.9 °C
• Minimum temperature anomaly: -7.9 °C
• Minimum temperature: -33.5 °C

Event center: -66.0°S 56.0°E

Area affected: 335975 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-13_to_2026-Feb-22_56.0_-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: February 13 2026 to February 20 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.6 °C
• Mean temperature: -10.6 °C
• Minimum temperature anomaly: -9.6 °C
• Minimum temperature: -17.4 °C

Event center: -66.0°S 87.5°E

Area affected: 53809 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-13_to_2026-Feb-20_87.5_-66.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: February 13 2026 to February 18 2026

Statistics over entire affected area:

• Mean temperature anomaly: -5.8 °C
• Mean temperature: -43.6 °C
• Minimum temperature anomaly: -8.5 °C
• Minimum temperature: -51.1 °C

Event center: -78.0°S 86.0°E

Area affected: 253251 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-13_to_2026-Feb-18_86.0_-78.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: February 10 2026 to February 14 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: -44.2 °C
• Minimum temperature anomaly: -5.5 °C
• Minimum temperature: -45.7 °C

Event center: -84.0°S 111.0°E

Area affected: 81548 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-10_to_2026-Feb-14_111.0_-84.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: February 09 2026 to February 14 2026

Statistics over entire affected area:

• Mean temperature anomaly: -5.6 °C
• Mean temperature: -11.2 °C
• Minimum temperature anomaly: -9.6 °C
• Minimum temperature: -20.7 °C

Event center: -76.5°S 310.5°E

Area affected: 94447 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-09_to_2026-Feb-14_310.5_-76.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: February 06 2026 to February 11 2026

Statistics over entire affected area:

• Mean temperature anomaly: -2.6 °C
• Mean temperature: -4.7 °C
• Minimum temperature anomaly: -8.1 °C
• Minimum temperature: -14.6 °C

Event center: -69.5°S 22.5°E

Area affected: 96069 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-06_to_2026-Feb-11_22.5_-69.5