Category: Extremes 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: May 28 2023 to June 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.1 °C
• Mean temperature: -38.2 °C
• Minimum temperature anomaly: -14.0 °C
• Minimum temperature: -46.7 °C

Event center: -80.0°S 280.5°E

Area affected: 94591 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-May-28_to_2023-Jun-04_280.5_-80.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: May 28 2023 to June 05 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.4 °C
• Mean temperature: -22.8 °C
• Minimum temperature anomaly: -10.6 °C
• Minimum temperature: -32.4 °C

Event center: -65.5°S 54.0°E

Area affected: 133570 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-May-28_to_2023-Jun-05_54.0_-65.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: May 21 2023 to May 27 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.7 °C
• Mean temperature: -24.0 °C
• Minimum temperature anomaly: -10.1 °C
• Minimum temperature: -29.8 °C

Event center: -71.5°S 346.5°E

Area affected: 70015 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-May-21_to_2023-May-27_346.5_-71.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: May 20 2023 to May 25 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.0 °C
• Mean temperature: -48.8 °C
• Minimum temperature anomaly: -13.6 °C
• Minimum temperature: -54.6 °C

Event center: -80.0°S 351.0°E

Area affected: 193744 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-May-20_to_2023-May-25_351.0_-80.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: May 19 2023 to May 25 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.2 °C
• Mean temperature: -21.6 °C
• Minimum temperature anomaly: -13.2 °C
• Minimum temperature: -28.6 °C

Event center: -66.0°S 128.0°E

Area affected: 163795 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-May-19_to_2023-May-25_128.0_-66.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 14 days

Time span: May 17 2023 to May 30 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.7 °C
• Mean temperature: -16.3 °C
• Minimum temperature anomaly: -20.0 °C
• Minimum temperature: -40.0 °C

Event center: -65.5°S 90.5°E

Area affected: 1723961 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-May-17_to_2023-May-30_90.5_-65.5