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 08 2025 to February 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.7 °C
• Mean temperature: -20.2 °C
• Minimum temperature anomaly: -9.2 °C
• Minimum temperature: -30.5 °C

Event center: -82.5°S 164.0°E

Area affected: 168264 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-Feb-08_to_2025-Feb-13_164.0_-82.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: February 08 2025 to February 10 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: -21.1 °C
• Minimum temperature anomaly: -6.4 °C
• Minimum temperature: -24.5 °C

Event center: -76.5°S 263.0°E

Area affected: 53435 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-Feb-08_to_2025-Feb-10_263.0_-76.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: February 05 2025 to February 11 2025

Statistics over entire affected area:

• Mean temperature anomaly: -6.4 °C
• Mean temperature: -21.0 °C
• Minimum temperature anomaly: -10.1 °C
• Minimum temperature: -31.4 °C

Event center: -84.5°S 237.0°E

Area affected: 194840 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-Feb-05_to_2025-Feb-11_237.0_-84.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: February 01 2025 to February 09 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.5 °C
• Mean temperature: -5.9 °C
• Minimum temperature anomaly: -6.3 °C
• Minimum temperature: -20.3 °C

Event center: -67.0°S 50.5°E

Area affected: 95567 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-Feb-01_to_2025-Feb-09_50.5_-67.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: January 31 2025 to February 06 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.2 °C
• Mean temperature: -33.5 °C
• Minimum temperature anomaly: -6.9 °C
• Minimum temperature: -41.2 °C

Event center: -74.0°S 82.5°E

Area affected: 441207 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-Jan-31_to_2025-Feb-06_82.5_-74.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: January 25 2025 to February 01 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.4 °C
• Mean temperature: -16.2 °C
• Minimum temperature anomaly: -6.3 °C
• Minimum temperature: -21.6 °C

Event center: -80.5°S 161.5°E

Area affected: 174056 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-Jan-25_to_2025-Feb-01_161.5_-80.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: January 21 2025 to January 28 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.9 °C
• Mean temperature: -13.9 °C
• Minimum temperature anomaly: -6.7 °C
• Minimum temperature: -23.4 °C

Event center: -85.5°S 200.0°E

Area affected: 76328 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-Jan-21_to_2025-Jan-28_200.0_-85.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: January 09 2025 to January 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.4 °C
• Mean temperature: -29.2 °C
• Minimum temperature anomaly: -5.3 °C
• Minimum temperature: -32.3 °C

Event center: -70.5°S 115.5°E

Area affected: 109082 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-Jan-09_to_2025-Jan-13_115.5_-70.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: January 06 2025 to January 15 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: -35.4 °C
• Minimum temperature anomaly: -4.2 °C
• Minimum temperature: -37.2 °C

Event center: -80.0°S 72.0°E

Area affected: 56048 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-Jan-06_to_2025-Jan-15_72.0_-80.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 13 days

Time span: December 23 2024 to January 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.8 °C
• Mean temperature: -21.9 °C
• Minimum temperature anomaly: -5.6 °C
• Minimum temperature: -28.5 °C

Event center: -85.0°S 318.0°E

Area affected: 252777 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_2024-Dec-23_to_2025-Jan-04_318.0_-85.0