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: October 04 2023 to October 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.7 °C
• Mean temperature: -37.2 °C
• Minimum temperature anomaly: -12.6 °C
• Minimum temperature: -45.5 °C

Event center: -80.0°S 280.5°E

Area affected: 283560 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_2023-Oct-04_to_2023-Oct-11_280.5_-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: October 03 2023 to October 15 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.4 °C
• Mean temperature: -30.5 °C
• Minimum temperature anomaly: -12.2 °C
• Minimum temperature: -51.4 °C

Event center: -62.5°S 154.5°E

Area affected: 1353270 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_2023-Oct-03_to_2023-Oct-15_154.5_-62.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: October 03 2023 to October 08 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.8 °C
• Mean temperature: -60.7 °C
• Minimum temperature anomaly: -11.0 °C
• Minimum temperature: -68.8 °C

Event center: -79.5°S 90.5°E

Area affected: 548642 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_2023-Oct-03_to_2023-Oct-08_90.5_-79.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: October 01 2023 to October 10 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.5 °C
• Mean temperature: -35.4 °C
• Minimum temperature anomaly: -14.9 °C
• Minimum temperature: -44.4 °C

Event center: -79.0°S 189.0°E

Area affected: 127734 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_2023-Oct-01_to_2023-Oct-10_189.0_-79.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: September 30 2023 to October 06 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.7 °C
• Mean temperature: -29.6 °C
• Minimum temperature anomaly: -10.7 °C
• Minimum temperature: -44.2 °C

Event center: -70.0°S 24.0°E

Area affected: 448794 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_2023-Sep-30_to_2023-Oct-06_24.0_-70.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: September 28 2023 to October 03 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.4 °C
• Mean temperature: -18.9 °C
• Minimum temperature anomaly: -11.1 °C
• Minimum temperature: -26.7 °C

Event center: -66.0°S 127.5°E

Area affected: 160036 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_2023-Sep-28_to_2023-Oct-03_127.5_-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: September 01 2023 to September 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.7 °C
• Mean temperature: -30.8 °C
• Minimum temperature anomaly: -13.7 °C
• Minimum temperature: -41.3 °C

Event center: -72.5°S 300.5°E

Area affected: 81716 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_2023-Sep-01_to_2023-Sep-04_300.5_-72.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 14 days

Time span: August 25 2023 to September 07 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.3 °C
• Mean temperature: -62.7 °C
• Minimum temperature anomaly: -15.2 °C
• Minimum temperature: -77.6 °C

Event center: -69.0°S 72.5°E

Area affected: 2377486 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_2023-Aug-25_to_2023-Sep-07_72.5_-69.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: August 19 2023 to August 27 2023

Statistics over entire affected area:

• Mean temperature anomaly: -5.6 °C
• Mean temperature: -9.6 °C
• Minimum temperature anomaly: -18.8 °C
• Minimum temperature: -45.0 °C

Event center: -59.5°S 98.5°E

Area affected: 3753061 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_2023-Aug-19_to_2023-Aug-27_98.5_-59.5