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: April 01 2023 to April 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.2 °C
• Mean temperature: -36.9 °C
• Minimum temperature anomaly: -13.0 °C
• Minimum temperature: -40.7 °C

Event center: -82.0°S 234.0°E

Area affected: 135463 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-Apr-01_to_2023-Apr-04_234.0_-82.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 12 days

Time span: March 30 2023 to April 10 2023

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: 0.8 °C
• Minimum temperature anomaly: -7.7 °C
• Minimum temperature: -10.8 °C

Event center: -60.0°S 258.0°E

Area affected: 6626365 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-Mar-30_to_2023-Apr-10_258.0_-60.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: March 22 2023 to March 25 2023

Statistics over entire affected area:

• Mean temperature anomaly: -7.5 °C
• Mean temperature: -26.3 °C
• Minimum temperature anomaly: -10.7 °C
• Minimum temperature: -36.8 °C

Event center: -75.0°S 227.0°E

Area affected: 78458 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-Mar-22_to_2023-Mar-25_227.0_-75.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: March 21 2023 to March 28 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.8 °C
• Mean temperature: -38.4 °C
• Minimum temperature anomaly: -15.1 °C
• Minimum temperature: -45.2 °C

Event center: -78.5°S 189.0°E

Area affected: 93537 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-Mar-21_to_2023-Mar-28_189.0_-78.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: March 20 2023 to March 23 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.6 °C
• Mean temperature: -57.9 °C
• Minimum temperature anomaly: -9.4 °C
• Minimum temperature: -61.3 °C

Event center: -83.0°S 106.0°E

Area affected: 122615 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-Mar-20_to_2023-Mar-23_106.0_-83.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: March 19 2023 to March 24 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.2 °C
• Mean temperature: -38.9 °C
• Minimum temperature anomaly: -11.2 °C
• Minimum temperature: -43.6 °C

Event center: -83.0°S 257.5°E

Area affected: 158701 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-Mar-19_to_2023-Mar-24_257.5_-83.0