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: 8 days

Time span: September 24 2021 to October 01 2021

Statistics over entire affected area:

• Mean temperature anomaly: -8.3 °C
• Mean temperature: -57.8 °C
• Minimum temperature anomaly: -11.7 °C
• Minimum temperature: -69.2 °C

Event center: -84.5°S 136.0°E

Area affected: 937521 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_2021-Sep-24_to_2021-Oct-01_136.0_-84.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 19 days

Time span: September 22 2021 to October 10 2021

Statistics over entire affected area:

• Mean temperature anomaly: -9.1 °C
• Mean temperature: -42.0 °C
• Minimum temperature anomaly: -19.0 °C
• Minimum temperature: -55.3 °C

Event center: -84.0°S 296.5°E

Area affected: 1334503 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_2021-Sep-22_to_2021-Oct-10_296.5_-84.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: September 13 2021 to September 16 2021

Statistics over entire affected area:

• Mean temperature anomaly: -9.0 °C
• Mean temperature: -59.3 °C
• Minimum temperature anomaly: -11.3 °C
• Minimum temperature: -63.4 °C

Event center: -75.5°S 11.0°E

Area affected: 79666 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_2021-Sep-13_to_2021-Sep-16_11.0_-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: September 11 2021 to September 18 2021

Statistics over entire affected area:

• Mean temperature anomaly: -7.3 °C
• Mean temperature: -20.1 °C
• Minimum temperature anomaly: -9.5 °C
• Minimum temperature: -27.7 °C

Event center: -68.5°S 11.5°E

Area affected: 711990 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_2021-Sep-11_to_2021-Sep-18_11.5_-68.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: August 21 2021 to August 30 2021

Statistics over entire affected area:

• Mean temperature anomaly: -8.6 °C
• Mean temperature: -19.3 °C
• Minimum temperature anomaly: -13.7 °C
• Minimum temperature: -57.6 °C

Event center: -62.5°S 142.5°E

Area affected: 1281766 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_2021-Aug-21_to_2021-Aug-30_142.5_-62.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: August 11 2021 to August 13 2021

Statistics over entire affected area:

• Mean temperature anomaly: -8.7 °C
• Mean temperature: -13.6 °C
• Minimum temperature anomaly: -11.9 °C
• Minimum temperature: -18.2 °C

Event center: -66.0°S 268.5°E

Area affected: 53024 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_2021-Aug-11_to_2021-Aug-13_268.5_-66.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: August 10 2021 to August 13 2021

Statistics over entire affected area:

• Mean temperature anomaly: -9.3 °C
• Mean temperature: -66.8 °C
• Minimum temperature anomaly: -12.1 °C
• Minimum temperature: -72.3 °C

Event center: -75.0°S 48.0°E

Area affected: 153336 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_2021-Aug-10_to_2021-Aug-13_48.0_-75.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 35 days

Time span: August 01 2021 to September 04 2021

Statistics over entire affected area:

• Mean temperature anomaly: -10.2 °C
• Mean temperature: -50.5 °C
• Minimum temperature anomaly: -26.0 °C
• Minimum temperature: -72.8 °C

Event center: -82.0°S 183.5°E

Area affected: 12954478 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_2021-Aug-01_to_2021-Sep-04_183.5_-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: July 30 2021 to August 04 2021

Statistics over entire affected area:

• Mean temperature anomaly: -5.7 °C
• Mean temperature: -7.9 °C
• Minimum temperature anomaly: -10.6 °C
• Minimum temperature: -17.8 °C

Event center: -63.5°S 239.5°E

Area affected: 495098 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_2021-Jul-30_to_2021-Aug-04_239.5_-63.5