Category: Extremes affecting Antarctica

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 19 2020 to December 25 2020

Statistics over entire affected area:

• Mean temperature anomaly: -4.2 °C
• Mean temperature: -15.6 °C
• Minimum temperature anomaly: -7.9 °C
• Minimum temperature: -28.0 °C

Event center: -66.5°S 100.0°E

Area affected: 217137 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_2020-Dec-19_to_2020-Dec-25_100.0_-66.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: December 18 2020 to December 23 2020

Statistics over entire affected area:

• Mean temperature anomaly: -4.1 °C
• Mean temperature: -15.6 °C
• Minimum temperature anomaly: -5.2 °C
• Minimum temperature: -23.1 °C

Event center: -67.0°S 128.5°E

Area affected: 73845 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_2020-Dec-18_to_2020-Dec-23_128.5_-67.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: December 18 2020 to December 22 2020

Statistics over entire affected area:

• Mean temperature anomaly: -3.0 °C
• Mean temperature: -6.8 °C
• Minimum temperature anomaly: -5.7 °C
• Minimum temperature: -13.2 °C

Event center: -70.0°S 350.0°E

Area affected: 51015 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_2020-Dec-18_to_2020-Dec-22_350.0_-70.0

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 17 2020 to December 23 2020

Statistics over entire affected area:

• Mean temperature anomaly: -1.5 °C
• Mean temperature: -2.5 °C
• Minimum temperature anomaly: -3.8 °C
• Minimum temperature: -6.8 °C

Event center: -64.0°S 120.0°E

Area affected: 69059 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_2020-Dec-17_to_2020-Dec-23_120.0_-64.0

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 15 2020 to December 21 2020

Statistics over entire affected area:

• Mean temperature anomaly: -3.4 °C
• Mean temperature: -8.3 °C
• Minimum temperature anomaly: -5.4 °C
• Minimum temperature: -12.9 °C

Event center: -69.5°S 33.0°E

Area affected: 51925 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_2020-Dec-15_to_2020-Dec-21_33.0_-69.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: December 15 2020 to December 19 2020

Statistics over entire affected area:

• Mean temperature anomaly: -0.9 °C
• Mean temperature: -2.2 °C
• Minimum temperature anomaly: -1.8 °C
• Minimum temperature: -3.1 °C

Event center: -67.5°S 7.0°E

Area affected: 148729 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_2020-Dec-15_to_2020-Dec-19_7.0_-67.5