Category: Extremes affecting Antarctica

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: November 22 2021 to November 25 2021

Statistics over entire affected area:

• Mean temperature anomaly: -4.0 °C
• Mean temperature: -11.1 °C
• Minimum temperature anomaly: -7.0 °C
• Minimum temperature: -21.2 °C

Event center: -66.5°S 121.5°E

Area affected: 156675 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-Nov-22_to_2021-Nov-25_121.5_-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: November 20 2021 to November 25 2021

Statistics over entire affected area:

• Mean temperature anomaly: -4.4 °C
• Mean temperature: -8.6 °C
• Minimum temperature anomaly: -7.4 °C
• Minimum temperature: -13.1 °C

Event center: -70.5°S 314.5°E

Area affected: 345959 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-Nov-20_to_2021-Nov-25_314.5_-70.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: November 19 2021 to November 25 2021

Statistics over entire affected area:

• Mean temperature anomaly: -4.9 °C
• Mean temperature: -13.7 °C
• Minimum temperature anomaly: -7.3 °C
• Minimum temperature: -23.8 °C

Event center: -72.5°S 295.5°E

Area affected: 228099 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-Nov-19_to_2021-Nov-25_295.5_-72.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: November 16 2021 to November 23 2021

Statistics over entire affected area:

• Mean temperature anomaly: -5.1 °C
• Mean temperature: -21.1 °C
• Minimum temperature anomaly: -6.9 °C
• Minimum temperature: -29.6 °C

Event center: -67.5°S 139.5°E

Area affected: 68542 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-Nov-16_to_2021-Nov-23_139.5_-67.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 18 days

Time span: November 16 2021 to December 03 2021

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: -10.0 °C
• Minimum temperature anomaly: -7.8 °C
• Minimum temperature: -41.4 °C

Event center: -64.5°S 67.5°E

Area affected: 2489325 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-Nov-16_to_2021-Dec-03_67.5_-64.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: November 12 2021 to November 18 2021

Statistics over entire affected area:

• Mean temperature anomaly: -5.7 °C
• Mean temperature: -19.8 °C
• Minimum temperature anomaly: -8.4 °C
• Minimum temperature: -26.5 °C

Event center: -76.0°S 212.0°E

Area affected: 54896 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-Nov-12_to_2021-Nov-18_212.0_-76.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: November 11 2021 to November 17 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.1 °C
• Mean temperature: -40.5 °C
• Minimum temperature anomaly: -8.0 °C
• Minimum temperature: -44.5 °C

Event center: -74.0°S 11.5°E

Area affected: 119653 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-Nov-11_to_2021-Nov-17_11.5_-74.0