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: December 07 2022 to December 10 2022

Statistics over entire affected area:

• Mean temperature anomaly: -4.2 °C
• Mean temperature: -15.6 °C
• Minimum temperature anomaly: -6.9 °C
• Minimum temperature: -31.2 °C

Event center: -86.0°S 197.5°E

Area affected: 97382 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_2022-Dec-07_to_2022-Dec-10_197.5_-86.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 29 days

Time span: December 07 2022 to January 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: -37.1 °C
• Minimum temperature anomaly: -6.8 °C
• Minimum temperature: -41.2 °C

Event center: -81.0°S 70.0°E

Area affected: 820028 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_2022-Dec-07_to_2023-Jan-04_70.0_-81.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: December 07 2022 to December 15 2022

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: -6.3 °C
• Minimum temperature anomaly: -6.8 °C
• Minimum temperature: -22.2 °C

Event center: -69.0°S 297.5°E

Area affected: 683942 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_2022-Dec-07_to_2022-Dec-15_297.5_-69.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: December 07 2022 to December 10 2022

Statistics over entire affected area:

• Mean temperature anomaly: -1.9 °C
• Mean temperature: -3.4 °C
• Minimum temperature anomaly: -2.4 °C
• Minimum temperature: -4.0 °C

Event center: -66.5°S 335.5°E

Area affected: 144659 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_2022-Dec-07_to_2022-Dec-10_335.5_-66.5

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 04 2022 to December 08 2022

Statistics over entire affected area:

• Mean temperature anomaly: -4.2 °C
• Mean temperature: -32.5 °C
• Minimum temperature anomaly: -6.1 °C
• Minimum temperature: -34.5 °C

Event center: -87.0°S 144.5°E

Area affected: 118021 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_2022-Dec-04_to_2022-Dec-08_144.5_-87.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: November 30 2022 to December 03 2022

Statistics over entire affected area:

• Mean temperature anomaly: -4.7 °C
• Mean temperature: -29.3 °C
• Minimum temperature anomaly: -5.7 °C
• Minimum temperature: -36.6 °C

Event center: -72.5°S 35.0°E

Area affected: 95917 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_2022-Nov-30_to_2022-Dec-03_35.0_-72.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: November 30 2022 to December 03 2022

Statistics over entire affected area:

• Mean temperature anomaly: -4.4 °C
• Mean temperature: -38.9 °C
• Minimum temperature anomaly: -5.6 °C
• Minimum temperature: -40.8 °C

Event center: -80.0°S 35.5°E

Area affected: 75240 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_2022-Nov-30_to_2022-Dec-03_35.5_-80.0